New Banking Trojan CHAVECLOAK Targets Brazilian Users via Phishing Tactics

Users in Brazil are the target of a new banking trojan known as CHAVECLOAK that's propagated via phishing emails bearing PDF attachments. "This intricate attack involves the PDF downloading a ZIP file and subsequently utilizing DLL side-loading techniques to execute the final malware," Fortinet FortiGuard Labs researcher Cara Lin said. The attack chain involves the use of

Watch Out for Spoofed Zoom, Skype, Google Meet Sites Delivering Malware

Threat actors have been leveraging fake websites advertising popular video conferencing software such as Google Meet, Skype, and Zoom to deliver a variety of malware targeting both Android and Windows users since December 2023. “The threat actor is distributing Remote Access Trojans (RATs) including SpyNote RAT for Android platforms, and NjRAT and DCRat for Windows

Cybercriminals Using Novel DNS Hijacking Technique for Investment Scams

A new DNS threat actor dubbed Savvy Seahorse is leveraging sophisticated techniques to entice targets into fake investment platforms and steal funds. “Savvy Seahorse is a DNS threat actor who convinces victims to create accounts on fake investment platforms, make deposits to a personal account, and then transfers those deposits to a bank in Russia,” Infoblox said in a report

Warning: Thread Hijacking Attack Targets IT Networks, Stealing NTLM Hashes

The threat actor known as TA577 has been observed using ZIP archive attachments in phishing emails with an aim to steal NT LAN Manager (NTLM) hashes. The new attack chain “can be used for sensitive information gathering purposes and to enable follow-on activity,” enterprise security firm Proofpoint said in a Monday report. At least two campaigns taking advantage of this

New Phishing Kit Leverages SMS, Voice Calls to Target Cryptocurrency Users

A novel phishing kit has been observed impersonating the login pages of well-known cryptocurrency services as part of an attack cluster codenamed CryptoChameleon that’s designed to primarily target mobile devices. “This kit enables attackers to build carbon copies of single sign-on (SSO) pages, then use a combination of email, SMS, and voice phishing to trick the target into sharing

GitHub Rolls Out Default Secret Scanning Push Protection for Public Repositories

GitHub on Thursday announced that it’s enabling secret scanning push protection by default for all pushes to public repositories. “This means that when a supported secret is detected in any push to a public repository, you will have the option to remove the secret from your commits or, if you deem the secret safe, bypass the block,” Eric Tooley and Courtney Claessens said. Push protection&

New Backdoor Targeting European Officials Linked to Indian Diplomatic Events

A previously undocumented threat actor dubbed SPIKEDWINE has been observed targeting officials in European countries with Indian diplomatic missions using a new backdoor called WINELOADER. The adversary, according to a report from Zscaler ThreatLabz, used a PDF file in emails that purported to come from the Ambassador of India, inviting diplomatic staff to a wine-tasting

TimbreStealer Malware Spreading via Tax-themed Phishing Scam Targets IT Users

Mexican users have been targeted with tax-themed phishing lures at least since November 2023 to distribute a previously undocumented Windows malware called TimbreStealer. Cisco Talos, which discovered the activity, described the authors as skilled and that the "threat actor has previously used similar tactics, techniques and procedures (TTPs) to distribute a banking trojan known

Cybersecurity Agencies Warn Ubiquiti EdgeRouter Users of APT28's MooBot Threat

In a new joint advisory, cybersecurity and intelligence agencies from the U.S. and other countries are urging users of Ubiquiti EdgeRouter to take protective measures, weeks after a botnet comprising infected routers was felled by law enforcement as part of an operation codenamed Dying Ember. The botnet, named MooBot, is said to have been used by a Russia-linked threat actor known as

New IDAT Loader Attacks Using Steganography to Deploy Remcos RAT

Ukrainian entities based in Finland have been targeted as part of a malicious campaign distributing a commercial remote access trojan known as Remcos RAT using a malware loader called IDAT Loader. The attack has been attributed to a threat actor tracked by the Computer Emergency Response Team of Ukraine (CERT-UA) under the moniker UAC-0184. "The attack, as part of the IDAT Loader, used

8,000+ Domains of Trusted Brands Hijacked for Massive Spam Operation

More than 8,000 domains and 13,000 subdomains belonging to legitimate brands and institutions have been hijacked as part of a sophisticated distribution architecture for spam proliferation and click monetization. Guardio Labs is tracking the coordinated malicious activity, which has been ongoing since at least September 2022, under the name SubdoMailing. The emails range from "counterfeit

Banking Trojans Target Latin America and Europe Through Google Cloud Run

Cybersecurity researchers are warning about a spike in email phishing campaigns that are weaponizing the Google Cloud Run service to deliver various banking trojans such as Astaroth (aka Guildma), Mekotio, and Ousaban (aka Javali) to targets across Latin America (LATAM) and Europe. "The infection chains associated with these malware families feature the use of malicious

Cybersecurity for Healthcare—Diagnosing the Threat Landscape and Prescribing Solutions for Recovery

On Thanksgiving Day 2023, while many Americans were celebrating, hospitals across the U.S. were doing quite the opposite. Systems were failing. Ambulances were diverted. Care was impaired. Hospitals in three states were hit by a ransomware attack, and in that moment, the real-world repercussions came to light—it wasn’t just computer networks that were brought to a halt, but actual patient

New 'VietCredCare' Stealer Targeting Facebook Advertisers in Vietnam

Facebook advertisers in Vietnam are the target of a previously unknown information stealer dubbed VietCredCare at least since August 2022. The malware is “notable for its ability to automatically filter out Facebook session cookies and credentials stolen from compromised devices, and assess whether these accounts manage business profiles and if they maintain a positive Meta ad credit

Russian Hackers Target Ukraine with Disinformation and Credential-Harvesting Attacks

Cybersecurity researchers have unearthed a new influence operation targeting Ukraine that leverages spam emails to propagate war-related disinformation. The activity has been linked to Russia-aligned threat actors by Slovak cybersecurity company ESET, which also identified a spear-phishing campaign aimed at a Ukrainian defense company in October 2023 and a European Union agency in November 2023

Iran and Hezbollah Hackers Launch Attacks to Influence Israel-Hamas Narrative

Hackers backed by Iran and Hezbollah staged cyber attacks designed to undercut public support for the Israel-Hamas war after October 2023. This includes destructive attacks against key Israeli organizations, hack-and-leak operations targeting entities in Israel and the U.S., phishing campaigns designed to steal intelligence, and information operations to turn public opinion against Israel. Iran

Iranian Hackers Target Middle East Policy Experts with New BASICSTAR Backdoor

The Iranian-origin threat actor known as Charming Kitten has been linked to a new set of attacks aimed at Middle East policy experts with a new backdoor called BASICSTAR by creating a fake webinar portal. Charming Kitten, also called APT35, CharmingCypress, Mint Sandstorm, TA453, and Yellow Garuda, has a history of orchestrating a wide range of social engineering campaigns that cast a

RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers

Multiple companies operating in the cryptocurrency sector are the target of an ongoing malware campaign that involves a newly discovered Apple macOS backdoor codenamed RustDoor. RustDoor was first documented by Bitdefender last week, describing it as a Rust-based malware capable of harvesting and uploading files, as well as gathering information about the infected machines. It's

Chinese Hackers Using Deepfakes in Advanced Mobile Banking Malware Attacks

A Chinese-speaking threat actor codenamed GoldFactory has been attributed to the development of highly sophisticated banking trojans, including a previously undocumented iOS malware called GoldPickaxe that's capable of harvesting identity documents, facial recognition data, and intercepting SMS. "The GoldPickaxe family is available for both iOS and Android platforms,"

Bumblebee Malware Returns with New Tricks, Targeting U.S. Businesses

The infamous malware loader and initial access broker known as Bumblebee has resurfaced after a four-month absence as part of a new phishing campaign observed in February 2024. Enterprise security firm Proofpoint said the activity targets organizations in the U.S. with voicemail-themed lures containing links to OneDrive URLs. "The URLs led to a Word file with names such as "

Glupteba Botnet Evades Detection with Undocumented UEFI Bootkit

The Glupteba botnet has been found to incorporate a previously undocumented Unified Extensible Firmware Interface (UEFI) bootkit feature, adding another layer of sophistication and stealth to the malware. "This bootkit can intervene and control the [operating system] boot process, enabling Glupteba to hide itself and create a stealthy persistence that can be extremely difficult to

PikaBot Resurfaces with Streamlined Code and Deceptive Tactics

The threat actors behind the PikaBot malware have made significant changes to the malware in what has been described as a case of "devolution." "Although it appears to be in a new development cycle and testing phase, the developers have reduced the complexity of the code by removing advanced obfuscation techniques and changing the network communications," Zscaler ThreatLabz researcher Nikolaos

U.S. DoJ Dismantles Warzone RAT Infrastructure, Arrests Key Operators

The U.S. Justice Department (DoJ) on Friday announced the seizure of online infrastructure that was used to sell a remote access trojan (RAT) called Warzone RAT. The domains – www.warzone[.]ws and three others – were "used to sell computer malware used by cybercriminals to secretly access and steal data from victims' computers," the DoJ said. Alongside the takedown, the

HijackLoader Evolves: Researchers Decode the Latest Evasion Methods

The threat actors behind a loader malware called HijackLoader have added new techniques for defense evasion, as the malware continues to be increasingly used by other threat actors to deliver additional payloads and tooling. "The malware developer used a standard process hollowing technique coupled with an additional trigger that was activated by the parent process writing to a pipe,"

Hackers Exploit Job Boards, Stealing Millions of Resumes and Personal Data

Employment agencies and retail companies chiefly located in the Asia-Pacific (APAC) region have been targeted by a previously undocumented threat actor known as ResumeLooters since early 2023 with the goal of stealing sensitive data. Singapore-headquartered Group-IB said the hacking crew's activities are geared towards job search platforms and the theft of resumes, with as many as 65

Patchwork Using Romance Scam Lures to Infect Android Devices with VajraSpy Malware

The threat actor known as Patchwork likely used romance scam lures to trap victims in Pakistan and India, and infect their Android devices with a remote access trojan called VajraSpy. Slovak cybersecurity firm ESET said it uncovered 12 espionage apps, six of which were available for download from the official Google Play Store and were collectively downloaded more than 1,400 times between

Russian APT28 Hackers Targeting High-Value Orgs with NTLM Relay Attacks

Russian state-sponsored actors have staged NT LAN Manager (NTLM) v2 hash relay attacks through various methods from April 2022 to November 2023, targeting high-value targets worldwide. The attacks, attributed to an "aggressive" hacking crew called APT28, have set their eyes on organizations dealing with foreign affairs, energy, defense, and transportation, as well as those involved with

DirtyMoe Malware Infects 2,000+ Ukrainian Computers for DDoS and Cryptojacking

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned that more than 2,000 computers in the country have been infected by a strain of malware called DirtyMoe. The agency attributed the campaign to a threat actor it calls UAC-0027. DirtyMoe, active since at least 2016, is capable of carrying out cryptojacking and distributed denial-of-service (DDoS) attacks. In March

INTERPOL Arrests 31 in Global Operation, Identifies 1,900+ Ransomware-Linked IPs

An INTERPOL-led collaborative operation targeting phishing, banking malware, and ransomware attacks has led to the identification of 1,300 suspicious IP addresses and URLs. The law enforcement effort, codenamed Synergia, took place between September and November 2023 in an attempt to blunt the "growth, escalation and professionalization of transnational cybercrime." Involving 60 law

Telegram Marketplaces Fuel Phishing Attacks with Easy-to-Use Kits and Malware

Cybersecurity researchers are calling attention to the "democratization" of the phishing ecosystem owing to the emergence of Telegram as an epicenter for cybercrime, enabling threat actors to mount a mass attack for as little as $230. "This messaging app has transformed into a bustling hub where seasoned cybercriminals and newcomers alike exchange illicit tools and insights creating a dark and

China-Linked Hackers Target Myanmar's Top Ministries with Backdoor Blitz

The China-based threat actor known as Mustang Panda is suspected to have targeted Myanmar's Ministry of Defence and Foreign Affairs as part of twin campaigns designed to deploy backdoors and remote access trojans. The findings come from CSIRT-CTI, which said the activities took place in November 2023 and January 2024 after artifacts in connection with the attacks were uploaded to the

New ZLoader Malware Variant Surfaces with 64-bit Windows Compatibility

Threat hunters have identified a new campaign that delivers the ZLoader malware, resurfacing nearly two years after the botnet's infrastructure was dismantled in April 2022. A new variant of the malware is said to have been in development since September 2023, Zscaler ThreatLabz said in an analysis published this month. "The new version of ZLoader made significant changes to the loader

AllaKore RAT Malware Targeting Mexican Firms with Financial Fraud Tricks

Mexican financial institutions are under the radar of a new spear-phishing campaign that delivers a modified version of an open-source remote access trojan called AllaKore RAT. The BlackBerry Research and Intelligence Team attributed the activity to an unknown Latin America-based financially motivated threat actor. The campaign has been active since at least 2021. "Lures use Mexican Social

Malicious Ads on Google Target Chinese Users with Fake Messaging Apps

Chinese-speaking users have been targeted by malicious Google ads for restricted messaging apps like Telegram as part of an ongoing malvertising campaign. "The threat actor is abusing Google advertiser accounts to create malicious ads and pointing them to pages where unsuspecting users will download Remote Administration Trojan (RATs) instead," Malwarebytes' Jérôme Segura said in a

LODEINFO Fileless Malware Evolves with Anti-Analysis and Remote Code Tricks

Cybersecurity researchers have uncovered an updated version of a backdoor called LODEINFO that's distributed via spear-phishing attacks. The findings come from Japanese company ITOCHU Cyber & Intelligence, which said the malware "has been updated with new features, as well as changes to the anti-analysis (analysis avoidance) techniques." LODEINFO (versions 0.6.6 and 0.6.7

Invoice Phishing Alert: TA866 Deploys WasabiSeed & Screenshotter Malware

The threat actor tracked as TA866 has resurfaced after a nine-month hiatus with a new large-volume phishing campaign to deliver known malware families such as WasabiSeed and Screenshotter. The campaign, observed earlier this month and blocked by Proofpoint on January 11, 2024, involved sending thousands of invoice-themed emails targeting North America bearing decoy PDF files. "The PDFs

MFA Spamming and Fatigue: When Security Measures Go Wrong

In today's digital landscape, traditional password-only authentication systems have proven to be vulnerable to a wide range of cyberattacks. To safeguard critical business resources, organizations are increasingly turning to multi-factor authentication (MFA) as a more robust security measure. MFA requires users to provide multiple authentication factors to verify their identity, providing an

Iranian Hackers Masquerade as Journalists to Spy on Israel-Hamas War Experts

High-profile individuals working on Middle Eastern affairs at universities and research organizations in Belgium, France, Gaza, Israel, the U.K., and the U.S. have been targeted by an Iranian cyber espionage group called Mint Sandstorm since November 2023. The threat actor "used bespoke phishing lures in an attempt to socially engineer targets into downloading malicious files," the

Inferno Malware Masqueraded as Coinbase, Drained $87 Million from 137,000 Victims

The operators behind the now-defunct Inferno Drainer created more than 16,000 unique malicious domains over a span of one year between 2022 and 2023. The scheme “leveraged high-quality phishing pages to lure unsuspecting users into connecting their cryptocurrency wallets with the attackers’ infrastructure that spoofed Web3 protocols to trick victims into authorizing transactions,”

There is a Ransomware Armageddon Coming for Us All

Generative AI will enable anyone to launch sophisticated phishing attacks that only Next-generation MFA devices can stop The least surprising headline from 2023 is that ransomware again set new records for a number of incidents and the damage inflicted. We saw new headlines every week, which included a who’s-who of big-name organizations. If MGM, Johnson Controls, Chlorox, Hanes Brands, Caesars

Mandiant's X Account Was Hacked Using Brute-Force Attack

The compromise of Mandiant's X (formerly Twitter) account last week was likely the result of a "brute-force password attack," attributing the hack to a drainer-as-a-service (DaaS) group. "Normally, [two-factor authentication] would have mitigated this, but due to some team transitions and a change in X's 2FA policy, we were not adequately protected," the threat intelligence firm said 

Alert: Water Curupira Hackers Actively Distributing PikaBot Loader Malware

A threat actor called Water Curupira has been observed actively distributing the PikaBot loader malware as part of spam campaigns in 2023. “PikaBot’s operators ran phishing campaigns, targeting victims via its two components — a loader and a core module — which enabled unauthorized remote access and allowed the execution of arbitrary commands through an established connection with

The Definitive Enterprise Browser Buyer's Guide

Security stakeholders have come to realize that the prominent role the browser has in the modern corporate environment requires a re-evaluation of how it is managed and protected. While not long-ago web-borne risks were still addressed by a patchwork of endpoint, network, and cloud solutions, it is now clear that the partial protection these solutions provided is no longer sufficient. Therefore,

New JinxLoader Targeting Users with Formbook and XLoader Malware

A new Go-based malware loader called JinxLoader is being used by threat actors to deliver next-stage payloads such as Formbook and its successor XLoader. The disclosure comes from cybersecurity firms Palo Alto Networks Unit 42 and Symantec, both of which highlighted multi-step attack sequences that led to the deployment of JinxLoader through phishing attacks. "The

Beware: Scam-as-a-Service Aiding Cybercriminals in Crypto Wallet-Draining Attacks

Cybersecurity researchers are warning about an increase in phishing attacks that are capable of draining cryptocurrency wallets. "These threats are unique in their approach, targeting a wide range of blockchain networks, from Ethereum and Binance Smart Chain to Polygon, Avalanche, and almost 20 other networks by using a crypto wallet-draining technique," Check Point researchers Oded Vanunu,

CERT-UA Uncovers New Malware Wave Distributing OCEANMAP, MASEPIE, STEELHOOK

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new phishing campaign orchestrated by the Russia-linked APT28 group to deploy previously undocumented malware such as OCEANMAP, MASEPIE, and STEELHOOK to harvest sensitive information. The activity, which was detected by the agency between December 15 and 25, 2023, targeted Ukrainian

Kimsuky Hackers Deploying AppleSeed, Meterpreter, and TinyNuke in Latest Attacks

Nation-state actors affiliated to North Korea have been observed using spear-phishing attacks to deliver an assortment of backdoors and tools such as AppleSeed, Meterpreter, and TinyNuke to seize control of compromised machines. South Korea-based cybersecurity company AhnLab attributed the activity to an advanced persistent threat group known as Kimsuky. “A notable point about attacks that

New Sneaky Xamalicious Android Malware Hits Over 327,000 Devices

A new Android backdoor has been discovered with potent capabilities to carry out a range of malicious actions on infected devices. Dubbed Xamalicious by the McAfee Mobile Research Team, the malware is so named for the fact that it's developed using an open-source mobile app framework called Xamarin and abuses the operating system's accessibility permissions to fulfill its objectives.

British LAPSUS$ Teen Members Sentenced for High-Profile Attacks

Two British teens part of the LAPSUS$ cyber crime and extortion gang have been sentenced for their roles in orchestrating a string of high-profile attacks against a number of companies. Arion Kurtaj, an 18-year-old from Oxford, has been sentenced to an indefinite hospital order due to his intent to get back to cybercrime "as soon as possible," BBC reported. Kurtaj, who is autistic, was

Operation RusticWeb: Rust-Based Malware Targets Indian Government Entities

Indian government entities and the defense sector have been targeted by a phishing campaign that's engineered to drop Rust-based malware for intelligence gathering. The activity, first detected in October 2023, has been codenamed Operation RusticWeb by enterprise security firm SEQRITE. "New Rust-based payloads and encrypted PowerShell commands have been utilized to exfiltrate

Decoy Microsoft Word Documents Used to Deliver Nim-Based Malware

A new phishing campaign is leveraging decoy Microsoft Word documents as bait to deliver a backdoor written in the Nim programming language. "Malware written in uncommon programming languages puts the security community at a disadvantage as researchers and reverse engineers' unfamiliarity can hamper their investigation," Netskope researchers Ghanashyam Satpathy and Jan Michael Alcantara&nbsp

UAC-0099 Using WinRAR Exploit to Target Ukrainian Firms with LONEPAGE Malware

The threat actor known as UAC-0099 has been linked to continued attacks aimed at Ukraine, some of which leverage a high-severity flaw in the WinRAR software to deliver a malware strain called LONEPAGE. "The threat actor targets Ukrainian employees working for companies outside of Ukraine," cybersecurity firm Deep Instinct said in a Thursday analysis. UAC-0099 was first

Microsoft Warns of New 'FalseFont' Backdoor Targeting the Defense Sector

Organizations in the Defense Industrial Base (DIB) sector are in the crosshairs of an Iranian threat actor as part of a campaign designed to deliver a never-before-seen backdoor called FalseFont. The findings come from Microsoft, which is tracking the activity under its weather-themed moniker Peach Sandstorm (formerly Holmium), which is also known as APT33, Elfin, and Refined Kitten. "

Chameleon Android Banking Trojan Variant Bypasses Biometric Authentication

Cybersecurity researchers have discovered an updated version of an Android banking malware called Chameleon that has expanded its targeting to include users in the U.K. and Italy. "Representing a restructured and enhanced iteration of its predecessor, this evolved Chameleon variant excels in executing Device Takeover (DTO) using the accessibility service, all while expanding its targeted region,

Hackers Exploiting MS Excel Vulnerability to Spread Agent Tesla Malware

Attackers are weaponizing an old Microsoft Office vulnerability as part of phishing campaigns to distribute a strain of malware called Agent Tesla. The infection chains leverage decoy Excel documents attached in invoice-themed messages to trick potential targets into opening them and activate the exploitation of CVE-2017-11882 (CVSS score: 7.8), a memory corruption vulnerability in Office's

Alert: Chinese-Speaking Hackers Pose as UAE Authority in Latest Smishing Wave

The Chinese-speaking threat actors behind Smishing Triad have been observed masquerading as the United Arab Emirates Federal Authority for Identity and Citizenship to send malicious SMS messages with the ultimate goal of gathering sensitive information from residents and foreigners in the country. "These criminals send malicious links to their victims' mobile devices through SMS or

3,500 Arrested in Global Operation HAECHI-IV Targeting Financial Criminals

A six-month-long international police operation codenamed HAECHI-IV has resulted in the arrests of nearly 3,500 individuals and seizures worth $300 million across 34 countries. The exercise, which took place from July through December 2023, took aim at various types of financial crimes such as voice phishing, romance scams, online sextortion, investment fraud, money laundering

Are We Ready to Give Up on Security Awareness Training?

Some of you have already started budgeting for 2024 and allocating funds to security areas within your organization. It is safe to say that employee security awareness training is one of the expenditure items, too. However, its effectiveness is an open question with people still engaging in insecure behaviors at the workplace. Besides, social engineering remains one of the most prevalent attacks

Iranian Hackers Using MuddyC2Go in Telecom Espionage Attacks Across Africa

The Iranian nation-state actor known as MuddyWater has leveraged a newly discovered command-and-control (C2) framework called MuddyC2Go in its attacks on the telecommunications sector in Egypt, Sudan, and Tanzania. The Symantec Threat Hunter Team, part of Broadcom, is tracking the activity under the name Seedworm, which is also tracked under the monikers Boggy Serpens, Cobalt

Rhadamanthys Malware: Swiss Army Knife of Information Stealers Emerges

The developers of the information stealer malware known as Rhadamanthys are actively iterating on its features, broadening its information-gathering capabilities and also incorporating a plugin system to make it more customizable. This approach not only transforms it into a threat capable of delivering "specific distributor needs," but also makes it more potent, Check Point said&