- New Multi-Stage StopCrypt Ransomware
March 12, 2024
The SonicWall Capture Labs threat research team recently observed a new variant of StopCrypt ransomware. The ransomware executes its malicious activities by utilizing multi-stage shellcodes before launching a final payload that contains the file encryption code. Infection Cycle At the start of execution, it creates a string of msim32.dll on the stack, and, using LoadLibrary, loads ...
- Mysterious Werewolf hits defense industry with new RingSpy backdoor
March 12, 2024
The criminal group gains initial access through phishing emails with a compressed executable that unleashes RingSpy, an original remote access backdoor The BI.ZONE Threat Intelligence team has detected a new campaign by Mysterious Werewolf, a cluster that has been active since at least 2023. This time, the adversaries are targeting defense enterprises. To achieve their goals, ...
- VCURMS: A Simple and Functional Weapon
March 12, 2024
Recently, FortiGuard Labs uncovered a phishing campaign that entices users to download a malicious Java downloader with the intention of spreading new VCURMS and STRRAT remote access trojans (RAT). The attackers stored malware on public services like Amazon Web Services (AWS) and GitHub, employing a commercial protector to avoid detection of the malware. The attacker attempts ...
- Magnet Goblin Targets Publicly Facing Servers Using 1-Day Vulnerabilities
March 8, 2024
On January 10, 2024, Ivanti published a security advisory regarding two vulnerabilities in Ivanti Connect Secure VPN. These vulnerabilities, which were exploited in the wild, are identified as CVE-2023-46805 and CVE-2023-21887. The exploitation of these vulnerabilities was quickly adopted by a number of threat actors, resulting in a broad range of malicious activities. Check Point Research ...
- New Marsilia Ransomware Downloader Found
March 4, 2024
This week, the SonicWall Capture Labs threat research team analyzed a sample of Marsilia malware, also known as Mallox. This is a multi-stage sample that, when functional, will have a first stage that enumerates system information and creates persistence. The second stage is then downloaded and will perform data extraction and encryption for ransomware purposes. The ...
- New Banking Trojan “CHAVECLOAK” Targets Brazil
March 4, 2024
FortiGuard Labs recently uncovered a threat actor employing a malicious PDF file to propagate the banking Trojan CHAVECLOAK. This intricate attack involves the PDF downloading a ZIP file and subsequently utilizing DLL side-loading techniques to execute the final malware. Notably, CHAVECLOAK is specifically designed to target users in Brazil, aiming to steal sensitive information linked to ...
- BiBi attacks Israel: Pro-Hamas hackers use new malware to attack Israeli companies
March 3, 2024
A wave of new cyberattacks from pro-Hamas hackers using the BiBi malware has been identified in Israel in recent days. This involves four new variants of malware that are able to evade antivirus engines, according to the VirusTotal platform. The BiBi malware is a wiper-type malware designed to erase and corrupt data. Unlike other types of ...
- Here Come the AI Worms
March 1, 2024
In a demonstration of the risks of connected, autonomous AI ecosystems, a group of researchers have created one of what they claim are the first generative AI worms—which can spread from one system to another, potentially stealing data or deploying malware in the process. “It basically means that now you have the ability to conduct or ...
- Malicious meeting invite fix targets Mac users
March 1, 2024
Cybercriminals are targeting Mac users interested in cryptocurrency opportunities with fake calendar invites. During the attacks the criminals will send a link supposedly to add a meeting to the target’s calendar. In reality the link runs a script to install Mac malware on the target’s machine. Cybersecurity expert Brian Krebs investigated and flagged the issue. Scammers, impersonating ...
- European diplomats targeted by SPIKEDWINE with WINELOADER
February 27, 2024
Zscaler’s ThreatLabz discovered a suspicious PDF file uploaded to VirusTotal from Latvia on January 30th, 2024. This PDF file is masqueraded as an invitation letter from the Ambassador of India, inviting diplomats to a wine-tasting event in February 2024. The PDF also included a link to a fake questionnaire that redirects users to a malicious ZIP ...