General
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Target
5921d92a916f3042ec42c1790f42ea0da59279d9f87400f0e75da0fe480968d7
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Size
754KB
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Sample
220425-yk7wasdcb9
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MD5
6cf1cce423441781edc088e77c368b2d
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SHA1
1cab4b8340d3bcd6a944e3192845de07d166d6d1
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SHA256
5921d92a916f3042ec42c1790f42ea0da59279d9f87400f0e75da0fe480968d7
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SHA512
751382c354c3436e15a8e3786c3c4e68160d282135353b1f73c42edfe13d23bbab69c90295a7c78f9e30b7db0cf454e4ca477c3f38d39ba7c5ebea0b343591ad
Static task
static1
Behavioral task
behavioral1
Sample
5921d92a916f3042ec42c1790f42ea0da59279d9f87400f0e75da0fe480968d7.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dewd
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offline_id
u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1
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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
5921d92a916f3042ec42c1790f42ea0da59279d9f87400f0e75da0fe480968d7
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Size
754KB
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MD5
6cf1cce423441781edc088e77c368b2d
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SHA1
1cab4b8340d3bcd6a944e3192845de07d166d6d1
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SHA256
5921d92a916f3042ec42c1790f42ea0da59279d9f87400f0e75da0fe480968d7
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SHA512
751382c354c3436e15a8e3786c3c4e68160d282135353b1f73c42edfe13d23bbab69c90295a7c78f9e30b7db0cf454e4ca477c3f38d39ba7c5ebea0b343591ad
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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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