General
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Target
file.exe
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Size
4.1MB
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Sample
241121-vnkcmatnby
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MD5
5f333ec8f045aff195aad4311a4b7ef2
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SHA1
99dd90fac17bedff9dfe1ad6c2d0a953758bd91b
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SHA256
ddc36ae51e0636472cbe7f04d0f4f3ae11a3f8efcdf8fd6068b0dc6eb614170b
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SHA512
d971ef26716279c02146ca4a877ff0360bed51a4817f81efff940cbaed80f348e45de17b722b6723d15af6bb2def3bac2bfbace62c2ff8bc480d6d500a120321
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SSDEEP
98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyT:HLrl71nfeU4CrZzVqgt1T
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20241010-en
Malware Config
Targets
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Target
file.exe
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Size
4.1MB
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MD5
5f333ec8f045aff195aad4311a4b7ef2
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SHA1
99dd90fac17bedff9dfe1ad6c2d0a953758bd91b
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SHA256
ddc36ae51e0636472cbe7f04d0f4f3ae11a3f8efcdf8fd6068b0dc6eb614170b
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SHA512
d971ef26716279c02146ca4a877ff0360bed51a4817f81efff940cbaed80f348e45de17b722b6723d15af6bb2def3bac2bfbace62c2ff8bc480d6d500a120321
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SSDEEP
98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyT:HLrl71nfeU4CrZzVqgt1T
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Cryptbot family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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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Executes dropped EXE
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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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Loads dropped DLL
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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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MITRE ATT&CK Enterprise v15
Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1