General
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Target
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
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Size
685KB
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Sample
210915-je915sdbeq
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MD5
96251661dfab7c52e2eb1a6639c15b77
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SHA1
217fcb39dd0fdcabb741b80a6a97ccbd9bb17e67
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SHA256
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
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SHA512
f157af5d41b09dd9e33533e66b4dd173429691acca7570fc7fe6444c41aa40614466f9c0e1e80e3a58643c5e5c38c49d952416ab7c302e4efb029b50f0ea233e
Static task
static1
Behavioral task
behavioral1
Sample
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b.exe
Resource
win10-en
Malware Config
Extracted
vidar
40.6
517
https://dimonbk83.tumblr.com/
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profile_id
517
Targets
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Target
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
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Size
685KB
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MD5
96251661dfab7c52e2eb1a6639c15b77
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SHA1
217fcb39dd0fdcabb741b80a6a97ccbd9bb17e67
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SHA256
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
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SHA512
f157af5d41b09dd9e33533e66b4dd173429691acca7570fc7fe6444c41aa40614466f9c0e1e80e3a58643c5e5c38c49d952416ab7c302e4efb029b50f0ea233e
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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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