General
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Target
f917fed42c0fe260f5711ebb690dfbc46afff5b793f9188ea8322e724890ae92
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Size
781KB
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Sample
211025-hfsb2sgfdl
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MD5
8b265812f4d6e0afbaa6928cc285d027
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SHA1
2f76281a066e170aa7d61a8cc1d510097699ffdb
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SHA256
f917fed42c0fe260f5711ebb690dfbc46afff5b793f9188ea8322e724890ae92
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SHA512
c05b3f6bc0ecc94de4206f4c2c56024a67a310c950be576e910305d099d1a903b0a6818a8dab109548874d5876b844450e1b6a63916c710cb8daabc4f8cdebbf
Static task
static1
Behavioral task
behavioral1
Sample
f917fed42c0fe260f5711ebb690dfbc46afff5b793f9188ea8322e724890ae92.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
f917fed42c0fe260f5711ebb690dfbc46afff5b793f9188ea8322e724890ae92
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Size
781KB
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MD5
8b265812f4d6e0afbaa6928cc285d027
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SHA1
2f76281a066e170aa7d61a8cc1d510097699ffdb
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SHA256
f917fed42c0fe260f5711ebb690dfbc46afff5b793f9188ea8322e724890ae92
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SHA512
c05b3f6bc0ecc94de4206f4c2c56024a67a310c950be576e910305d099d1a903b0a6818a8dab109548874d5876b844450e1b6a63916c710cb8daabc4f8cdebbf
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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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