April_10-04-2022.7z Here

: Used "thread hijacking" (replying to old email chains). File Name : Followed the pattern [Month]_[Date]-[Year].7z . Lure : Contained a malicious .lnk or .vbs file inside. 📝 Recommended Blog Coverage

: It marked a shift where attackers used password-protected archives to hide the payload from automated sandbox analysis. APRIL_10-04-2022.7z

Around April 2022, security researchers tracked a significant spike in malicious emails using password-protected .7z archives. : Often delivered the Emotet Trojan. : Used "thread hijacking" (replying to old email chains)

The most detailed technical breakdown of this specific file naming convention and campaign can be found on these cybersecurity blogs: 1. SANS Internet Storm Center (ISC) 📝 Recommended Blog Coverage : It marked a

Both firms published blogs in early 2022 regarding the resurgence of . Unit 42 : Look for their research on Emotet's evolution .

: It provides the exact infection chain, showing how the .7z file leads to a DLL execution via regsvr32.exe . 3. Trend Micro / Palo Alto Unit 42