General
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Target
b079c6516f2af0c4ac9b6a14e854b9b7b9a8fe22313df632c44623a9252d7ca5
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Size
775KB
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Sample
211025-skk4mshbhn
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MD5
368a65200df464ebc660a125ccca5671
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SHA1
d2b4335c2770c3ef5af3a8351f1fe2e448c5cbee
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SHA256
b079c6516f2af0c4ac9b6a14e854b9b7b9a8fe22313df632c44623a9252d7ca5
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SHA512
d8b9fa82d730a51d2b6e493fa0c144026d14082d9c2635a8b8836531fdc2941efe0b4be0299089279adfdace3955cdffd6c1e700552bec65aa1f0cd5a4e19336
Static task
static1
Behavioral task
behavioral1
Sample
b079c6516f2af0c4ac9b6a14e854b9b7b9a8fe22313df632c44623a9252d7ca5.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
b079c6516f2af0c4ac9b6a14e854b9b7b9a8fe22313df632c44623a9252d7ca5
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Size
775KB
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MD5
368a65200df464ebc660a125ccca5671
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SHA1
d2b4335c2770c3ef5af3a8351f1fe2e448c5cbee
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SHA256
b079c6516f2af0c4ac9b6a14e854b9b7b9a8fe22313df632c44623a9252d7ca5
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SHA512
d8b9fa82d730a51d2b6e493fa0c144026d14082d9c2635a8b8836531fdc2941efe0b4be0299089279adfdace3955cdffd6c1e700552bec65aa1f0cd5a4e19336
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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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