General
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Target
90b383f86d64f295e926b3194241eef63c4ebde2d0c5128e05522742c4142bbc
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Size
809KB
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Sample
220426-cfl75safh3
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MD5
9bd6479dfc36a01e42075cd907e65d5e
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SHA1
948b1b7b520ed96378e791f4a48f9bc22389c3f3
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SHA256
90b383f86d64f295e926b3194241eef63c4ebde2d0c5128e05522742c4142bbc
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SHA512
54ba9fc36ebd75e104cf0d462f88a44e82463a97b18425344312be41c99697130bd21004ccf4372aa7c60c77ff6a06eb3c90610e2c5a2a09ef9cba8636091eac
Static task
static1
Behavioral task
behavioral1
Sample
90b383f86d64f295e926b3194241eef63c4ebde2d0c5128e05522742c4142bbc.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.jhbg
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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
90b383f86d64f295e926b3194241eef63c4ebde2d0c5128e05522742c4142bbc
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Size
809KB
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MD5
9bd6479dfc36a01e42075cd907e65d5e
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SHA1
948b1b7b520ed96378e791f4a48f9bc22389c3f3
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SHA256
90b383f86d64f295e926b3194241eef63c4ebde2d0c5128e05522742c4142bbc
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SHA512
54ba9fc36ebd75e104cf0d462f88a44e82463a97b18425344312be41c99697130bd21004ccf4372aa7c60c77ff6a06eb3c90610e2c5a2a09ef9cba8636091eac
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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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