General
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Target
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e
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Size
782KB
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Sample
211021-krtelaahbq
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MD5
787cc165c68459ec64312260bee3bc0d
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SHA1
035a01eb52fdedd8fd62733d9f41fc0e2d676d3b
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SHA256
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e
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SHA512
0c7327829af3abe1cfe5b0f0ae64db2dc48686602e577cb75e88a6df10bd3163fe34f03b355e42e8c3c286983c2a9da28cf4fca27a0d8a4f671a8435c8bd6dc3
Static task
static1
Behavioral task
behavioral1
Sample
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e.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/fhsgtsspen6
Targets
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Target
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e
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Size
782KB
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MD5
787cc165c68459ec64312260bee3bc0d
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SHA1
035a01eb52fdedd8fd62733d9f41fc0e2d676d3b
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SHA256
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e
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SHA512
0c7327829af3abe1cfe5b0f0ae64db2dc48686602e577cb75e88a6df10bd3163fe34f03b355e42e8c3c286983c2a9da28cf4fca27a0d8a4f671a8435c8bd6dc3
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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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