General
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Target
57d6ac008ef76ec0317c3df54ab142af1ab8bd4b16d22c3eccad6d346d88464f
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Size
855KB
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Sample
211024-mrcsysegej
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MD5
ff984f6a2770ebf542d747de67acc164
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SHA1
4f3741933a7dca972888100736ba4ea905548814
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SHA256
57d6ac008ef76ec0317c3df54ab142af1ab8bd4b16d22c3eccad6d346d88464f
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SHA512
c3293b0731f0340df5df2df448a2fade74713673bc331bf74f27e2870551339b7d2c8d9e31852fdce6b2be5129e259bcba786b7da9696cf35e763df098cf9386
Static task
static1
Behavioral task
behavioral1
Sample
57d6ac008ef76ec0317c3df54ab142af1ab8bd4b16d22c3eccad6d346d88464f.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
57d6ac008ef76ec0317c3df54ab142af1ab8bd4b16d22c3eccad6d346d88464f
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Size
855KB
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MD5
ff984f6a2770ebf542d747de67acc164
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SHA1
4f3741933a7dca972888100736ba4ea905548814
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SHA256
57d6ac008ef76ec0317c3df54ab142af1ab8bd4b16d22c3eccad6d346d88464f
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SHA512
c3293b0731f0340df5df2df448a2fade74713673bc331bf74f27e2870551339b7d2c8d9e31852fdce6b2be5129e259bcba786b7da9696cf35e763df098cf9386
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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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