General
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Target
62f75f6c0c31284bc1ae21cf515402e13656eb785088eee02954da48cf7137a9
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Size
861KB
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Sample
211207-yykmxscgbm
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MD5
a3d6f4d2fedf632011643dc0b30db47a
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SHA1
7398ceb2c738d2b1cebcde3c06c7f887210ea8d1
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SHA256
62f75f6c0c31284bc1ae21cf515402e13656eb785088eee02954da48cf7137a9
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SHA512
2f6bf95a8a684e26bffd06ad2571cded9cb1c3b3d78d61232f821c60f307fd0b71e8176c7914ee634a6d77b2980688065290702a431ce2039b948ee358771291
Static task
static1
Behavioral task
behavioral1
Sample
62f75f6c0c31284bc1ae21cf515402e13656eb785088eee02954da48cf7137a9.exe
Resource
win10-en-20211014
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.wnlu
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offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
49
517
https://mstdn.social/@sergeev43
https://koyu.space/@sergeev45
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profile_id
517
Targets
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Target
62f75f6c0c31284bc1ae21cf515402e13656eb785088eee02954da48cf7137a9
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Size
861KB
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MD5
a3d6f4d2fedf632011643dc0b30db47a
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SHA1
7398ceb2c738d2b1cebcde3c06c7f887210ea8d1
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SHA256
62f75f6c0c31284bc1ae21cf515402e13656eb785088eee02954da48cf7137a9
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SHA512
2f6bf95a8a684e26bffd06ad2571cded9cb1c3b3d78d61232f821c60f307fd0b71e8176c7914ee634a6d77b2980688065290702a431ce2039b948ee358771291
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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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