April_10-04-2022.7z

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

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) 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. : It marked a shift where attackers used

: April 2022 was a peak period for Emotet before its subsequent infrastructure takeovers and shifts. APRIL_10-04-2022.7z