: It marked a shift where attackers used password-protected archives to hide the payload from automated sandbox analysis.
: The password was usually provided in the email body, making the user feel "secure" while actually helping the malware bypass the gateway. 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
The SANS "Handler's Diary" provided real-time analysis in April 2022. They detailed how attackers switched to .7z files to bypass email filters that were previously blocking .zip files. 2. Brad Duncan's Malware-Traffic-Analysis This is the "gold standard" for this specific file. : PCAP files and malware samples. Link : Malware-Traffic-Analysis.net APRIL_10-04-2022.7z