General
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Target
fef491847fea476ce4910e8329222c0c93ec47d5f6a70a49e7f789f17357e0cc
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Size
719KB
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Sample
240402-rd5zssce41
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MD5
2586b7ef106deb2efb860a230f639dc1
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SHA1
fb9bba0d2ed657645e1b6a286c0f066d272fdab6
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SHA256
fef491847fea476ce4910e8329222c0c93ec47d5f6a70a49e7f789f17357e0cc
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SHA512
4f475ddc773314430c61536c71e1dcd30759aedbdb8aaa057259cf8e158b8786606a178047671cdee81d4e345aca93aaf45ff2f56007b46e564170f574452f58
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SSDEEP
12288:K9i0rSnYWlRKVAe9km7LVk0nXxdx0cMOGzeb1+C7uKEB6TI53o8Xx7OheIbf:eigWRMAM7Lue9QOYebZyx4Eo8hahr
Malware Config
Extracted
djvu
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
vidar
https://steamcommunity.com/profiles/76561199658817715
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
fef491847fea476ce4910e8329222c0c93ec47d5f6a70a49e7f789f17357e0cc
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Size
719KB
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MD5
2586b7ef106deb2efb860a230f639dc1
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SHA1
fb9bba0d2ed657645e1b6a286c0f066d272fdab6
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SHA256
fef491847fea476ce4910e8329222c0c93ec47d5f6a70a49e7f789f17357e0cc
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SHA512
4f475ddc773314430c61536c71e1dcd30759aedbdb8aaa057259cf8e158b8786606a178047671cdee81d4e345aca93aaf45ff2f56007b46e564170f574452f58
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SSDEEP
12288:K9i0rSnYWlRKVAe9km7LVk0nXxdx0cMOGzeb1+C7uKEB6TI53o8Xx7OheIbf:eigWRMAM7Lue9QOYebZyx4Eo8hahr
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
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