General
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Target
8b0c47dac51f6b076a5bb9d28159565942318a74bf564fbc89fd08c898df4352
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Size
838KB
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Sample
211207-cyhyfaffhn
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MD5
1cb21577d1d34c2edf05691110d99d7d
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SHA1
5e000a3d25618dee10962109f513e58b7c6a8e7a
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SHA256
8b0c47dac51f6b076a5bb9d28159565942318a74bf564fbc89fd08c898df4352
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SHA512
14b996e37faa51e01d07eee9feb739f05f2c315f087996c86b63650407a032df1fb4e11d71a366e777e9b0963536c312c5ee60915b5681ee43d97f122e490efc
Static task
static1
Behavioral task
behavioral1
Sample
8b0c47dac51f6b076a5bb9d28159565942318a74bf564fbc89fd08c898df4352.exe
Resource
win10-en-20211014
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.wnlu
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offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
48.9
517
https://qoto.org/@mniami
https://noc.social/@menaomi
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profile_id
517
Targets
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Target
8b0c47dac51f6b076a5bb9d28159565942318a74bf564fbc89fd08c898df4352
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Size
838KB
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MD5
1cb21577d1d34c2edf05691110d99d7d
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SHA1
5e000a3d25618dee10962109f513e58b7c6a8e7a
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SHA256
8b0c47dac51f6b076a5bb9d28159565942318a74bf564fbc89fd08c898df4352
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SHA512
14b996e37faa51e01d07eee9feb739f05f2c315f087996c86b63650407a032df1fb4e11d71a366e777e9b0963536c312c5ee60915b5681ee43d97f122e490efc
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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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