Fog ransomware assaults over the last month have included a new ransom note mentioning the US Department of Government Efficiency (DOGE) and enticing victims to propagate the malware to other PCs, Trend Micro said earlier this week.
Analysis of the latest samples of Fog ransomware, which were published to VirusTotal between March 27 and April 2, 2025, found that they propagated via the transfer of a ZIP file containing an LNK file disguised as a PDF called “Pay Adjustment.” This shows that attacks were carried out via phishing emails to employees.
Once the “Pay Adjustment” LNK file is clicked, a PowerShell script named stage1.ps1 is executed, which retrieves multiple payloads from a hacker-controlled domain. These include the ransomware loader cwiper.exe, a bring-your-own-vulnerable-driver (BYOVD) privilege escalation tool named Ktool.exe, a QR code image directing to a Monero wallet, a ransom letter called RANSOMNOTE.txt, and more malicious PowerShell scripts.
Ktool.exe extracts the vulnerable Intel Network Adapter Diagnostic Driver iQVW64.sys to the %TEMP% folder, passing the
[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.
[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.
This article has been indexed from CySecurity News – Latest Information Security and Hacking Incidents
Read the original article: