New Frontiers, Old Tactics: Chinese Espionage Group Targets Africa & Caribbean Govts

The China-linked threat actor known as Sharp Panda has expanded their targeting to include governmental organizations in Africa and the Caribbean as part of an ongoing cyber espionage campaign. "The campaign adopts Cobalt Strike Beacon as the payload, enabling backdoor functionalities like C2 communication and command execution while minimizing the exposure of their custom tools," Check Point

Ongoing Campaign Bombards Enterprises with Spam Emails and Phone Calls

Cybersecurity researchers have uncovered an ongoing social engineering campaign that bombards enterprises with spam emails with the goal of obtaining initial access to their environments for follow-on exploitation. "The incident involves a threat actor overwhelming a user's email with junk and calling the user, offering assistance," Rapid7 researchers Tyler McGraw, Thomas Elkins, and

Researchers Detail Multistage Attack Hijacking Systems with SSLoad, Cobalt Strike

Cybersecurity researchers have discovered an ongoing attack campaign that's leveraging phishing emails to deliver a malware called SSLoad. The campaign, codenamed FROZEN#SHADOW by Securonix, also involves the deployment of Cobalt Strike and the ConnectWise ScreenConnect remote desktop software. "SSLoad is designed to stealthily infiltrate systems, gather sensitive

Akira Ransomware Gang Extorts $42 Million; Now Targets Linux Servers

Threat actors behind the Akira ransomware group have extorted approximately $42 million in illicit proceeds after breaching the networks of more than 250 victims as of January 1, 2024. "Since March 2023, Akira ransomware has impacted a wide range of businesses and critical infrastructure entities in North America, Europe, and Australia," cybersecurity agencies from the Netherlands and the U.S.,

TeamCity Flaw Leads to Surge in Ransomware, Cryptomining, and RAT Attacks

Multiple threat actors are exploiting the recently disclosed security flaws in JetBrains TeamCity software to deploy ransomware, cryptocurrency miners, Cobalt Strike beacons, and a Golang-based remote access trojan called Spark RAT. The attacks entail the exploitation of CVE-2024-27198 (CVSS score: 9.8) that enables an adversary to bypass authentication measures and gain administrative

Malicious Ads Targeting Chinese Users with Fake Notepad++ and VNote Installers

Chinese users looking for legitimate software such as Notepad++ and VNote on search engines like Baidu are being targeted with malicious ads and bogus links to distribute trojanized versions of the software and ultimately deploy Geacon, a Golang-based implementation of Cobalt Strike. “The malicious site found in the notepad++ search is distributed through an advertisement block,” Kaspersky

New Malicious PyPI Packages Caught Using Covert Side-Loading Tactics

Cybersecurity researchers have discovered two malicious packages on the Python Package Index (PyPI) repository that were found leveraging a technique called DLL side-loading to circumvent detection by security software and run malicious code. The packages, named NP6HelperHttptest and NP6HelperHttper, were each downloaded 537 and 166 times, respectively,

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

SystemBC Malware's C2 Server Analysis Exposes Payload Delivery Tricks

Cybersecurity researchers have shed light on the command-and-control (C2) server workings of a known malware family called SystemBC. "SystemBC can be purchased on underground marketplaces and is supplied in an archive containing the implant, a command-and-control (C2) server, and a web administration portal written in PHP," Kroll said in an analysis published last week. The risk

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

New Malvertising Campaign Distributing PikaBot Disguised as Popular Software

The malware loader known as PikaBot is being distributed as part of a malvertising campaign targeting users searching for legitimate software like AnyDesk. "PikaBot was previously only distributed via malspam campaigns similarly to QakBot and emerged as one of the preferred payloads for a threat actor known as TA577," Malwarebytes' Jérôme Segura said. The malware family,

New Hacker Group 'GambleForce' Tageting APAC Firms Using SQL Injection Attacks

A previously unknown hacker outfit called GambleForce has been attributed to a series of SQL injection attacks against companies primarily in the Asia-Pacific (APAC) region since at least September 2023. "GambleForce uses a set of basic yet very effective techniques, including SQL injections and the exploitation of vulnerable website content management systems (CMS) to steal sensitive

Chinese Hackers Target Semiconductor Firms in East Asia with Cobalt Strike

Threat actors have been observed targeting semiconductor companies in East Asia with lures masquerading as Taiwan Semiconductor Manufacturing Company (TSMC) that are designed to deliver Cobalt Strike beacons. The intrusion set, per EclecticIQ, leverages a backdoor called HyperBro, which is then used as a conduit to deploy the commercial attack simulation software and post-exploitation toolkit.

Threat Actors Targeting Microsoft SQL Servers to Deploy FreeWorld Ransomware

Threat actors are exploiting poorly secured Microsoft SQL (MS SQL) servers to deliver Cobalt Strike and a ransomware strain called FreeWorld. Cybersecurity firm Securonix, which has dubbed the campaign DB#JAMMER, said it stands out for the way the toolset and infrastructure is employed. “Some of these tools include enumeration software, RAT payloads, exploitation and credential stealing software

China-Linked Bronze Starlight Group Targeting Gambling Sector with Cobalt Strike Beacons

An ongoing cyber attack campaign originating from China is targeting the Southeast Asian gambling sector to deploy Cobalt Strike beacons on compromised systems.  Cybersecurity firm SentinelOne said the tactics, techniques, and procedures point to the involvement of a threat actor tracked as Bronze Starlight (aka Emperor Dragonfly or Storm-0401), which has been linked to the use of short-lived 

Hackers Using Golang Variant of Cobalt Strike to Target Apple macOS Systems

A Golang implementation of Cobalt Strike called Geacon is likely to garner the attention of threat actors looking to target Apple macOS systems. That's according to findings from SentinelOne, which observed an increase in the number of Geacon payloads appearing on VirusTotal in recent months. "While some of these are likely red-team operations, others bear the characteristics of genuine

New Ransomware Strain 'CACTUS' Exploits VPN Flaws to Infiltrate Networks

Cybersecurity researchers have shed light on a new ransomware strain called CACTUS that has been found to leverage known flaws in VPN appliances to obtain initial access to targeted networks. "Once inside the network, CACTUS actors attempt to enumerate local and network user accounts in addition to reachable endpoints before creating new user accounts and leveraging custom scripts to automate

Fortra Sheds Light on GoAnywhere MFT Zero-Day Exploit Used in Ransomware Attacks

Fortra, the company behind Cobalt Strike, shed light on a zero-day remote code execution (RCE) vulnerability in its GoAnywhere MFT tool that has come under active exploitation by ransomware actors to steal sensitive data. The high-severity flaw, tracked as CVE-2023-0669 (CVSS score: 7.2), concerns a case of pre-authenticated command injection that could be abused to achieve code execution. The

Microsoft Takes Legal Action to Disrupt Cybercriminals' Illegal Use of Cobalt Strike Tool

Microsoft said it teamed up with Fortra and Health Information Sharing and Analysis Center (Health-ISAC) to tackle the abuse of Cobalt Strike by cybercriminals to distribute malware, including ransomware. To that end, the tech giant's Digital Crimes Unit (DCU) revealed that it secured a court order in the U.S. to "remove illegal, legacy copies of Cobalt Strike so they can no longer be used by

Chinese and Russian Hackers Using SILKLOADER Malware to Evade Detection

Threat activity clusters affiliated with the Chinese and Russian cybercriminal ecosystems have been observed using a new piece of malware that's designed to load Cobalt Strike onto infected machines. Dubbed SILKLOADER by Finnish cybersecurity company WithSecure, the malware leverages DLL side-loading techniques to deliver the commercial adversary simulation software. The development comes as