Malware

February 8, 2023

New ESXiArgs ransomware attacks are now encrypting more extensive amounts of data, making it much harder, if not impossible, to recover encrypted VMware ESXi virtual machines. Last Friday, a massive and widespread automated ransomware attack encrypted over 3,000 Internet-exposed VMware ESXi servers using a new ESXiArgs ransomware. Read more… Source: Bleeping Computer  

February 3, 2023

Trend Micro researchers analyzed an ongoing campaign that has been targeting Android users in Southeast Asia since July 2022. Its goal is to steal victims’ assets from finance and banking applications (such as cryptocurrency wallets, credentials for official bank apps on mobile, and money in deposit), via a banking trojan they named TgToxic (detected by Trend ...

February 2, 2023

On December 2022, Trend Micro researchers identified a suspicious executable (detected by Trend Micro as Trojan.MSIL.REDCAP.AD) that was dropped and executed on multiple machines. The investigation led them to link this attack to advanced persistent threat (APT) group APT34, and the main goal is to steal users’ credentials. Even in case of a password reset ...

January 31, 2023

Prilex is a singular threat actor that has evolved from ATM-focused malware into unique modular PoS malware – actually, the most advanced PoS threat Kaspersky have seen so far, as described in a previous article. Forget about those old memory scrapers seen in PoS attacks. Prilex goes beyond these, and it has evolved very differently. This ...

January 27, 2023

The Ukrainian Computer Emergency Response Team (CERT-UA) found a cocktail of five different data-wiping malware strains deployed on the network of the country’s national news agency (Ukrinform) on January 17th. “As of January 27, 2023, 5 samples of malicious programs (scripts) were detected, the functionality of which is aimed at violating the integrity and availability of ...

January 19, 2023

Microsoft announced at the beginning of 2022 that they would soon start to disable macros by default in Office documents downloaded from the Internet. They implemented the changes around June, only to remove the feature later that month. The feature was finally re-enabled by the end of July. Cisco Talos observed threat actors reacting to ...

January 17, 2023

Researchers have demonstrated how threat actors can abuse the GitHub Codespaces’ port forwarding’ feature to host and distribute malware and malicious scripts. GitHub Codespaces allows developers to deploy cloud-hosted IDE platforms in virtualized containers to write, edit, and test/run code directly within a web browser. Read more… Source: Bleeping Computer  

January 17, 2023

While threat hunting, Trend Micro researchers found an active campaign using Middle Eastern geopolitical themes as a lure to target potential victims in the Middle East and Africa. In this campaign researchers have labeled Earth Bogle, the threat actor uses public cloud storage services such as files.fm and failiem.lv to host malware, while compromised web ...

January 15, 2023

It’s a new year, a time when many people look to turnover a new leaf and make some positive changes. Sadly, not everyone. In particular, it seems that ransomware gangs show no signs of letting up on their criminal activity in 2023. Then again, why would they? Read more… Source: ZDNet  

January 7, 2023

Six malicious packages on PyPI, the Python Package Index, were found installing information-stealing and RAT (remote access trojan) malware while using Cloudflare Tunnel to bypass firewall restrictions for remote access. The malicious packages attempt to steal sensitive user information stored in browsers, run shell commands, and use keyloggers to steal typed secrets. The six packages were discovered ...