General
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Target
03d27a8e1f3b57a2191db79c5b4c19b3c1510cabe690dd76a3b37a962943359d
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Size
859KB
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Sample
211020-xnsp4sadem
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MD5
599466b73e936c82ce6274b91c5a13c5
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SHA1
121e919f5f5a9749fecfea3378100dda364a94c4
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SHA256
03d27a8e1f3b57a2191db79c5b4c19b3c1510cabe690dd76a3b37a962943359d
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SHA512
8bb8f376731f64fcddd3fac49a73293970369b3c05b980182debc1e3fa4f357575a9737eac1121468d9eaa475f182860fc999167b7207319703e20d0a782e127
Static task
static1
Behavioral task
behavioral1
Sample
03d27a8e1f3b57a2191db79c5b4c19b3c1510cabe690dd76a3b37a962943359d.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
03d27a8e1f3b57a2191db79c5b4c19b3c1510cabe690dd76a3b37a962943359d
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Size
859KB
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MD5
599466b73e936c82ce6274b91c5a13c5
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SHA1
121e919f5f5a9749fecfea3378100dda364a94c4
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SHA256
03d27a8e1f3b57a2191db79c5b4c19b3c1510cabe690dd76a3b37a962943359d
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SHA512
8bb8f376731f64fcddd3fac49a73293970369b3c05b980182debc1e3fa4f357575a9737eac1121468d9eaa475f182860fc999167b7207319703e20d0a782e127
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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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