General
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Target
noname401.exe
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Size
788KB
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Sample
230521-nb68asce4z
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MD5
2447ca3d420385fbb67c3c33196b3d65
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SHA1
cf75bf93d948eb3d9be9e39807901e7a8a989081
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SHA256
251ee3a528ff1960e2948203117af8a82fcd501c0a6a190068c9601482310b65
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SHA512
f29ce1748c121f5ca5056df68c011e9342f40b34742b2152750d226c7871e0470a3fd83c38e5a8df47dee64cbe75ebb512eff14a91a023b14b9437d910e173b5
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SSDEEP
24576:a7uS6Grpec0X7QSBt3srUN+saWRJ0NB5akt:aqS3QFH3mUnRaNBI
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.gatq
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offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.9
9dfa7ee730fa2f1efb5ed51dbbec22f5
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
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profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
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user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)
Targets
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Target
noname401.exe
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Size
788KB
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MD5
2447ca3d420385fbb67c3c33196b3d65
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SHA1
cf75bf93d948eb3d9be9e39807901e7a8a989081
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SHA256
251ee3a528ff1960e2948203117af8a82fcd501c0a6a190068c9601482310b65
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SHA512
f29ce1748c121f5ca5056df68c011e9342f40b34742b2152750d226c7871e0470a3fd83c38e5a8df47dee64cbe75ebb512eff14a91a023b14b9437d910e173b5
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SSDEEP
24576:a7uS6Grpec0X7QSBt3srUN+saWRJ0NB5akt:aqS3QFH3mUnRaNBI
Score10/10-
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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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, possible credential harvesting
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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