General
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Target
aff9aaa6c85fb0eebfdd5186226bf159b04eaedfb52c74420de4d6f20aa5c7a8
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Size
859KB
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Sample
211024-he96gaeccr
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MD5
256a552039c4e10afa46e8996b5b24fe
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SHA1
f44016624836ea3576049d0e71002ca7c3c10ad2
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SHA256
aff9aaa6c85fb0eebfdd5186226bf159b04eaedfb52c74420de4d6f20aa5c7a8
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SHA512
ffab8bc62c92d46e0ad62e7567f7222250ce5cbbd79f2baed0f2ad67c394d617d936930c0e62342f4918b8bcef248362889ea2bd27f63d36956410ad22b483c8
Static task
static1
Behavioral task
behavioral1
Sample
aff9aaa6c85fb0eebfdd5186226bf159b04eaedfb52c74420de4d6f20aa5c7a8.exe
Resource
win10-en-20210920
Malware Config
Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Extracted
djvu
http://rlrz.org/lancer
Targets
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Target
aff9aaa6c85fb0eebfdd5186226bf159b04eaedfb52c74420de4d6f20aa5c7a8
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Size
859KB
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MD5
256a552039c4e10afa46e8996b5b24fe
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SHA1
f44016624836ea3576049d0e71002ca7c3c10ad2
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SHA256
aff9aaa6c85fb0eebfdd5186226bf159b04eaedfb52c74420de4d6f20aa5c7a8
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SHA512
ffab8bc62c92d46e0ad62e7567f7222250ce5cbbd79f2baed0f2ad67c394d617d936930c0e62342f4918b8bcef248362889ea2bd27f63d36956410ad22b483c8
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Detected Djvu ransomware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Vidar Stealer
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Downloads MZ/PE file
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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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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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