General
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Target
691ef3891d5c155f2689647f2c441617.exe
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Size
4.1MB
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Sample
240228-jyrznseh7x
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MD5
691ef3891d5c155f2689647f2c441617
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SHA1
03252b08cea28b39026ead3ee95f9d3db3acf3ce
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SHA256
bfbf60a70d1dbdd452f3b3bc819ce5804b5fc4baa028af084c2e84abaf73bb65
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SHA512
37f9e6c9ab03ceee528f8eab910d2ddaf8822a6c28bdb8b3129996120d50c4d51358482e14d8d4e90d3ef2e8a08cda5f36cd1109e0129998243e89806dc34960
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SSDEEP
98304:rJwI8rhd38BxuBCgbL5KWnsdZButFXK/IUCccYZPAxFe:GECwgQYspAF6/IjccYGF
Static task
static1
Behavioral task
behavioral1
Sample
691ef3891d5c155f2689647f2c441617.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
691ef3891d5c155f2689647f2c441617.exe
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Size
4.1MB
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MD5
691ef3891d5c155f2689647f2c441617
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SHA1
03252b08cea28b39026ead3ee95f9d3db3acf3ce
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SHA256
bfbf60a70d1dbdd452f3b3bc819ce5804b5fc4baa028af084c2e84abaf73bb65
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SHA512
37f9e6c9ab03ceee528f8eab910d2ddaf8822a6c28bdb8b3129996120d50c4d51358482e14d8d4e90d3ef2e8a08cda5f36cd1109e0129998243e89806dc34960
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SSDEEP
98304:rJwI8rhd38BxuBCgbL5KWnsdZButFXK/IUCccYZPAxFe:GECwgQYspAF6/IjccYGF
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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