General
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Target
a4931dd2aade6ff611390007ecc980d32b77c594509bdea5cfafeb86504e9f66
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Size
808KB
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Sample
211019-jqbygsfdc6
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MD5
3a21f98382d8c62bbc0db98b5ef52a61
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SHA1
7cc592b0d0e7a739ecd56df4244f77326d829b43
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SHA256
a4931dd2aade6ff611390007ecc980d32b77c594509bdea5cfafeb86504e9f66
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SHA512
adbe1fae74ad00f2ffdb713920d5b83a18c94a50036d712343889974f0b98eeb29c8d9afacb59ac01762facc9721336f2ae705d80b214b84512a8f0207a7ab37
Static task
static1
Behavioral task
behavioral1
Sample
a4931dd2aade6ff611390007ecc980d32b77c594509bdea5cfafeb86504e9f66.exe
Resource
win10-en-20210920
Malware Config
Extracted
vidar
41.3
517
https://mas.to/@oleg98
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profile_id
517
Extracted
djvu
http://rlrz.org/fhsgtsspen6
Targets
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Target
a4931dd2aade6ff611390007ecc980d32b77c594509bdea5cfafeb86504e9f66
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Size
808KB
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MD5
3a21f98382d8c62bbc0db98b5ef52a61
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SHA1
7cc592b0d0e7a739ecd56df4244f77326d829b43
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SHA256
a4931dd2aade6ff611390007ecc980d32b77c594509bdea5cfafeb86504e9f66
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SHA512
adbe1fae74ad00f2ffdb713920d5b83a18c94a50036d712343889974f0b98eeb29c8d9afacb59ac01762facc9721336f2ae705d80b214b84512a8f0207a7ab37
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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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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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