General
- Target c4b3a66daa55f9f8449782f8f65463631c09a30957c5294964eec39011a9fcff
- Size 717KB
- Sample240404-k59nqsbb3w
- SHA256 c4b3a66daa55f9f8449782f8f65463631c09a30957c5294964eec39011a9fcff
Malware Config
Extracted
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djvu
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http://sajdfue.com/test2/get.php
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extension
.uazq
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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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/76561199662282318
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https://t.me/t8jmhl
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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 OPR/108.0.0.0
Targets
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- Target c4b3a66daa55f9f8449782f8f65463631c09a30957c5294964eec39011a9fcff
- Size 717KB
- SHA256 c4b3a66daa55f9f8449782f8f65463631c09a30957c5294964eec39011a9fcff
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