The caught the campaign in September 2024. They worked with the developer of 7-Zip, Igor Pavlov, who released a patch in version 24.09 on November 30, 2024, to fix the MOTW bypass.
Once installed, the malware began , harvesting sensitive data, and providing a "backdoor" for further espionage. The Resolution Lab02.7z
When a user opened Lab02.7z and double-clicked what looked like a Word document, they unknowingly bypassed all of Windows' built-in security warnings. A hidden would launch in the background. The caught the campaign in September 2024
: Normally, Windows uses a feature called Mark-of-the-Web (MOTW) to flag files downloaded from the internet as "unsafe," preventing them from running automatically. The Resolution When a user opened Lab02
The "story" of this file is actually the story of a clever vulnerability discovered in the popular archiver.
Today, Lab02.7z remains a textbook example of how attackers use mundane-looking archive files to weaponize small software bugs into major international security incidents.
: To make the bait even more convincing, they used homoglyphs —characters from the Cyrillic alphabet that look identical to Latin letters—to make the malicious file inside look like a harmless .doc document. The Climax: SmokeLoader Deployment