General
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Target
dc0c3ab3fb0906ae815b4ee85683ab5c2089c720520174c80a2a7133dac4abe0
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Size
727KB
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Sample
220425-a66ncsabe6
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MD5
539365918e410b6fbba16d28061f02fa
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SHA1
43d0f55c8c6df5b1864a5cd77d66106dea0c5edf
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SHA256
dc0c3ab3fb0906ae815b4ee85683ab5c2089c720520174c80a2a7133dac4abe0
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SHA512
ea032621b47fbf3f90604febfa592ff0110e48fb0542a7f7a31af1a3ce797285a3311bbe2a5e1996873316f45fb3172bf4ede822c3d1f198a86fdd99c7679812
Static task
static1
Behavioral task
behavioral1
Sample
dc0c3ab3fb0906ae815b4ee85683ab5c2089c720520174c80a2a7133dac4abe0.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
dc0c3ab3fb0906ae815b4ee85683ab5c2089c720520174c80a2a7133dac4abe0
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Size
727KB
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MD5
539365918e410b6fbba16d28061f02fa
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SHA1
43d0f55c8c6df5b1864a5cd77d66106dea0c5edf
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SHA256
dc0c3ab3fb0906ae815b4ee85683ab5c2089c720520174c80a2a7133dac4abe0
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SHA512
ea032621b47fbf3f90604febfa592ff0110e48fb0542a7f7a31af1a3ce797285a3311bbe2a5e1996873316f45fb3172bf4ede822c3d1f198a86fdd99c7679812
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Detected Djvu ransomware
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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