General
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Target
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
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Size
781KB
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Sample
211021-skv9lsbchq
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MD5
f510384bacc30d8c4fb9e7b69d65b185
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SHA1
56f69e4ccafc32d278781c3494a43e132f63868b
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SHA256
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
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SHA512
2a1dedc0bfa5a7520d1842ec39a964ab9d34625efef22be315720a260ac695832a862ab6357f7d9490da7308fb52c898592e9b04f1f7006f31c4b71bd1c4a333
Static task
static1
Behavioral task
behavioral1
Sample
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164.exe
Resource
win10-en-20211014
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
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
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Size
781KB
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MD5
f510384bacc30d8c4fb9e7b69d65b185
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SHA1
56f69e4ccafc32d278781c3494a43e132f63868b
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SHA256
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
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SHA512
2a1dedc0bfa5a7520d1842ec39a964ab9d34625efef22be315720a260ac695832a862ab6357f7d9490da7308fb52c898592e9b04f1f7006f31c4b71bd1c4a333
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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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