New Agent Tesla Malware Variant Using ZPAQ Compression in Email Attacks

A new variant of the Agent Tesla malware has been observed delivered via a lure file with the ZPAQ compression format to harvest data from several email clients and nearly 40 web browsers. "ZPAQ is a file compression format that offers a better compression ratio and journaling function compared to widely used formats like ZIP and RAR," G Data malware analyst Anna Lvova said in a Monday analysis.

NetSupport RAT Infections on the Rise - Targeting Government and Business Sectors

Threat actors are targeting the education, government and business services sectors with a remote access trojan called NetSupport RAT. "The delivery mechanisms for the NetSupport RAT encompass fraudulent updates, drive-by downloads, utilization of malware loaders (such as GHOSTPULSE), and various forms of phishing campaigns," VMware Carbon Black researchers said in a report shared with The

DarkGate and PikaBot Malware Resurrect QakBot's Tactics in New Phishing Attacks

Phishing campaigns delivering malware families such as DarkGate and PikaBot are following the same tactics previously used in attacks leveraging the now-defunct QakBot trojan. “These include hijacked email threads as the initial infection, URLs with unique patterns that limit user access, and an infection chain nearly identical to what we have seen with QakBot delivery,” Cofense said in a report

Experts Uncover DarkCasino: New Emerging APT Threat Exploiting WinRAR Flaw

A hacking group that leveraged a recently disclosed security flaw in the WinRAR software as a zero-day has now been categorized as an entirely new advanced persistent threat (APT). Cybersecurity company NSFOCUS has described DarkCasino as an "economically motivated" actor that first came to light in 2021. "DarkCasino is an APT threat actor with strong technical and learning ability, who is good

SideCopy Exploiting WinRAR Flaw in Attacks Targeting Indian Government Entities

The Pakistan-linked threat actor known as SideCopy has been observed leveraging the recent WinRAR security vulnerability in its attacks targeting Indian government entities to deliver various remote access trojans such as AllaKore RAT, Ares RAT, and DRat. Enterprise security firm SEQRITE described the campaign as multi-platform, with the attacks also designed to infiltrate Linux systems with a

YoroTrooper: Researchers Warn of Kazakhstan's Stealthy Cyber Espionage Group

A relatively new threat actor known as YoroTrooper is likely made up of operators originating from Kazakhstan. The assessment, which comes from Cisco Talos, is based on their fluency in Kazakh and Russian, use of Tenge to pay for operating infrastructure, and very limited targeting of Kazakhstani entities, barring the government's Anti-Corruption Agency. "YoroTrooper attempts to obfuscate the

Malvertising Campaign Targets Brazil's PIX Payment System with GoPIX Malware

The popularity of Brazil's PIX instant payment system has made it a lucrative target for threat actors looking to generate illicit profits using a new malware called GoPIX. Kaspersky, which has been tracking the active campaign since December 2022, said the attacks are pulled off using malicious ads that are served when potential victims search for "WhatsApp web" on search engines. "The

Quasar RAT Leverages DLL Side-Loading to Fly Under the Radar

The open-source remote access trojan known as Quasar RAT has been observed leveraging DLL side-loading to fly under the radar and stealthily siphon data from compromised Windows hosts. "This technique capitalizes on the inherent trust these files command within the Windows environment," Uptycs researchers Tejaswini Sandapolla and Karthickkumar Kathiresan said in a report published last week,

Malicious NuGet Package Targeting .NET Developers with SeroXen RAT

A malicious package hosted on the NuGet package manager for the .NET Framework has been found to deliver a remote access trojan called SeroXen RAT. The package, named Pathoschild.Stardew.Mod.Build.Config and published by a user named Disti, is a typosquat of a legitimate package called Pathoschild.Stardew.ModBuildConfig, software supply chain security firm Phylum said in a report today. While

GoldDigger Android Trojan Targets Banking Apps in Asia Pacific Countries

A new Android banking trojan named GoldDigger has been found targeting several financial applications with an aim to siphon victims' funds and backdoor infected devices. "The malware targets more than 50 Vietnamese banking, e-wallet and crypto wallet applications," Group-IB said. "There are indications that this threat might be poised to extend its reach across the wider APAC region and to

Zanubis Android Banking Trojan Poses as Peruvian Government App to Target Users

An emerging Android banking trojan called Zanubis is now masquerading as a Peruvian government app to trick unsuspecting users into installing the malware. "Zanubis's main infection path is through impersonating legitimate Peruvian Android applications and then tricking the user into enabling the Accessibility permissions in order to take full control of the device," Kaspersky said in an

New Variant of Banking Trojan BBTok Targets Over 40 Latin American Banks

An active malware campaign targeting Latin America is dispensing a new variant of a banking trojan called BBTok, particularly users in Brazil and Mexico. "The BBTok banker has a dedicated functionality that replicates the interfaces of more than 40 Mexican and Brazilian banks, and tricks the victims into entering its 2FA code to their bank accounts or into entering their payment card number,"

Transparent Tribe Uses Fake YouTube Android Apps to Spread CapraRAT Malware

The suspected Pakistan-linked threat actor known as Transparent Tribe is using malicious Android apps mimicking YouTube to distribute the CapraRAT mobile remote access trojan (RAT), demonstrating the continued evolution of the activity. "CapraRAT is a highly invasive tool that gives the attacker control over much of the data on the Android devices that it infects," SentinelOne security

Hook: New Android Banking Trojan That Expands on ERMAC's Legacy

A new analysis of the Android banking trojan known as Hook has revealed that it's based on its predecessor called ERMAC. "The ERMAC source code was used as a base for Hook," NCC Group security researchers Joshua Kamp and Alberto Segura said in a technical analysis published last week. "All commands (30 in total) that the malware operator can send to a device infected with ERMAC malware, also

QwixxRAT: New Remote Access Trojan Emerges via Telegram and Discord

A new remote access trojan (RAT) called QwixxRAT is being advertised for sale by its threat actor through Telegram and Discord platforms. "Once installed on the victim's Windows platform machines, the RAT stealthily collects sensitive data, which is then sent to the attacker's Telegram bot, providing them with unauthorized access to the victim's sensitive information," Uptycs said in a new

Researchers Uncover AWS SSM Agent Misuse as a Covert Remote Access Trojan

Cybersecurity researchers have discovered a new post-exploitation technique in Amazon Web Services (AWS) that allows the AWS Systems Manager Agent (SSM Agent) to be run as a remote access trojan on Windows and Linux environments "The SSM agent, a legitimate tool used by admins to manage their instances, can be re-purposed by an attacker who has achieved high privilege access on an endpoint with

European Bank Customers Targeted in SpyNote Android Trojan Campaign

Various European customers of different banks are being targeted by an Android banking trojan called SpyNote as part of an aggressive campaign detected in June and July 2023. "The spyware is distributed through email phishing or smishing campaigns and the fraudulent activities are executed with a combination of remote access trojan (RAT) capabilities and vishing attack," Italian cybersecurity

Cybercriminals Renting WikiLoader to Target Italian Organizations with Banking Trojan

Organizations in Italy are the target of a new phishing campaign that leverages a new strain of malware called WikiLoader with an ultimate aim to install a banking trojan, stealer, and spyware referred to as Ursnif (aka Gozi). "It is a sophisticated downloader with the objective of installing a second malware payload," Proofpoint said in a technical report. "The malware uses multiple mechanisms

Fruity Trojan Uses Deceptive Software Installers to Spread Remcos RAT

Threat actors are creating fake websites hosting trojanized software installers to trick unsuspecting users into downloading a downloader malware called Fruity with the goal of installing remote trojans tools like Remcos RAT. "Among the software in question are various instruments for fine-tuning CPUs, graphic cards, and BIOS; PC hardware-monitoring tools; and some other apps," cybersecurity

Hackers Abusing Windows Search Feature to Install Remote Access Trojans

A legitimate Windows search feature is being exploited by unknown malicious actors to download arbitrary payloads from remote servers and compromise targeted systems with remote access trojans such as AsyncRAT and Remcos RAT. The novel attack technique, per Trellix, takes advantage of the "search-ms:" URI protocol handler, which offers the ability for applications and HTML links to launch custom

Decoy Dog: New Breed of Malware Posing Serious Threats to Enterprise Networks

A deeper analysis of a recently discovered malware called Decoy Dog has revealed that it's a significant upgrade over the Pupy RAT, an open-source remote access trojan it's modeled on. "Decoy Dog has a full suite of powerful, previously unknown capabilities – including the ability to move victims to another controller, allowing them to maintain communication with compromised machines and remain

New TOITOIN Banking Trojan Targeting Latin American Businesses

Businesses operating in the Latin American (LATAM) region are the target of a new Windows-based banking trojan called TOITOIN since May 2023. "This sophisticated campaign employs a trojan that follows a multi-staged infection chain, utilizing specially crafted modules throughout each stage," Zscaler researchers Niraj Shivtarkar and Preet Kamal said in a report published last week. "These modules

RomCom RAT Targeting NATO and Ukraine Support Groups

The threat actors behind the RomCom RAT have been suspected of phishing attacks targeting the upcoming NATO Summit in Vilnius as well as an identified organization supporting Ukraine abroad. The findings come from the BlackBerry Threat Research and Intelligence team, which found two malicious documents submitted from a Hungarian IP address on July 4, 2023. RomCom, also tracked under the names