General
- Target 3a7fbe8ed06aaba4b157ff4bcf0dc3585349cd6661255a44be148f413e3497a8
- Size 731KB
- Sample240330-a6f3psdc3t
- SHA256 3a7fbe8ed06aaba4b157ff4bcf0dc3585349cd6661255a44be148f413e3497a8
Malware Config
Extracted
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djvu
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http://sajdfue.com/test2/get.php
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extension
.looy
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offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Extracted
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vidar
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https://steamcommunity.com/profiles/76561199658817715
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https://t.me/sa9ok
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Targets
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- Target 3a7fbe8ed06aaba4b157ff4bcf0dc3585349cd6661255a44be148f413e3497a8
- Size 731KB
- SHA256 3a7fbe8ed06aaba4b157ff4bcf0dc3585349cd6661255a44be148f413e3497a8
Score10/10-
Detect Vidar Stealer
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Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext