General
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Target
1bc8123dc37a7a0d14f3eb9e2b17a0ae2224b6eae24b058e8ff67207e0998c14
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Size
781KB
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Sample
211021-rvs2kabcfq
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MD5
94af208e44f9a7c70f026da058c2955a
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SHA1
768da1c29aae12a5f178999d9e6e12c5acdfb388
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SHA256
1bc8123dc37a7a0d14f3eb9e2b17a0ae2224b6eae24b058e8ff67207e0998c14
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SHA512
e3ca206d676edf94eb1889428bc3200e47bf046bacfb3b4bf65857754939a43bbfb0bda00765f2ae4fe4dea27e14c8442e80bcaec6958e50b8c13c3423d5cbde
Static task
static1
Behavioral task
behavioral1
Sample
1bc8123dc37a7a0d14f3eb9e2b17a0ae2224b6eae24b058e8ff67207e0998c14.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
1bc8123dc37a7a0d14f3eb9e2b17a0ae2224b6eae24b058e8ff67207e0998c14
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Size
781KB
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MD5
94af208e44f9a7c70f026da058c2955a
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SHA1
768da1c29aae12a5f178999d9e6e12c5acdfb388
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SHA256
1bc8123dc37a7a0d14f3eb9e2b17a0ae2224b6eae24b058e8ff67207e0998c14
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SHA512
e3ca206d676edf94eb1889428bc3200e47bf046bacfb3b4bf65857754939a43bbfb0bda00765f2ae4fe4dea27e14c8442e80bcaec6958e50b8c13c3423d5cbde
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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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