General
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Target
8664a5a6e958f985735b8a17171550bc.exe
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Size
4.2MB
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Sample
241220-skmx8sypgm
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MD5
8664a5a6e958f985735b8a17171550bc
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SHA1
3deb8bfcdc32ddf9a678f44c59aa70e3a7f5bb5f
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SHA256
ffcc7288342a28c0580bea142951bf4ac33a3f391d8f9323f9e74293d2817e82
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SHA512
adc1c9bc3af3a39b066a9231ef6bd9119d48dff41a4e5bfac695c40a5d2b9e5e9f4eb6e4779408cd7f22fe0e7e5697d7fa314778864fd13bb321db3f8d0514b0
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SSDEEP
98304:i5Vhq3obBjDB2C53R1xQuyJul6y09/LuI7/wH8yO1g:8SobpDRB1XyJul6y04W/wH8y+
Static task
static1
Behavioral task
behavioral1
Sample
8664a5a6e958f985735b8a17171550bc.exe
Resource
win7-20241010-en
Malware Config
Extracted
cryptbot
Targets
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Target
8664a5a6e958f985735b8a17171550bc.exe
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Size
4.2MB
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MD5
8664a5a6e958f985735b8a17171550bc
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SHA1
3deb8bfcdc32ddf9a678f44c59aa70e3a7f5bb5f
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SHA256
ffcc7288342a28c0580bea142951bf4ac33a3f391d8f9323f9e74293d2817e82
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SHA512
adc1c9bc3af3a39b066a9231ef6bd9119d48dff41a4e5bfac695c40a5d2b9e5e9f4eb6e4779408cd7f22fe0e7e5697d7fa314778864fd13bb321db3f8d0514b0
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SSDEEP
98304:i5Vhq3obBjDB2C53R1xQuyJul6y09/LuI7/wH8yO1g:8SobpDRB1XyJul6y04W/wH8y+
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Cryptbot family
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Enumerates VirtualBox registry keys
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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