General
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Target
4381a971a0a7dbafd0b24b36a16d566ab32b435885ff9aa0ea0580ba74afe17a
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Size
781KB
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Sample
211021-1l79kabgbq
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MD5
7c403e30c63f6e155b30acaf6ec82b1a
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SHA1
83f12c73b2fa2f96f43d4dd31bac255ecce0b984
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SHA256
4381a971a0a7dbafd0b24b36a16d566ab32b435885ff9aa0ea0580ba74afe17a
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SHA512
7eb0932f52f3b9513b23fcfcfb13a51cc2c21fa12ebefbb5ad21e96af26efcbcf77606074776a21c0dda0f27d96a4fc84607c6884650aefe1eb662c8a6f3f395
Static task
static1
Behavioral task
behavioral1
Sample
4381a971a0a7dbafd0b24b36a16d566ab32b435885ff9aa0ea0580ba74afe17a.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/lancer
Targets
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Target
4381a971a0a7dbafd0b24b36a16d566ab32b435885ff9aa0ea0580ba74afe17a
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Size
781KB
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MD5
7c403e30c63f6e155b30acaf6ec82b1a
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SHA1
83f12c73b2fa2f96f43d4dd31bac255ecce0b984
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SHA256
4381a971a0a7dbafd0b24b36a16d566ab32b435885ff9aa0ea0580ba74afe17a
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SHA512
7eb0932f52f3b9513b23fcfcfb13a51cc2c21fa12ebefbb5ad21e96af26efcbcf77606074776a21c0dda0f27d96a4fc84607c6884650aefe1eb662c8a6f3f395
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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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