General
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Target
file.exe
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Size
4.2MB
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Sample
241121-kr54dsvnal
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MD5
1a688ed7f5d7ce8f0155133ad0a2e60d
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SHA1
7a71b0ee7f99ca9e0b61b105ce9fd8478012c19b
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SHA256
bbba491abc5c69486fa59fb1e1b5ddc5d3942a107ac8e149795b55e66e3f0111
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SHA512
512961729a2aafa06d778b779ad46891b2247e14530919177aad184a1e3589d5b5993b1dadae16af69680942e64af0c2088ee1852a725a2b47151e94f62cc9e9
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SSDEEP
98304:f4wYhv9iDFo5Gub/Tz763K5azyPXp+KWQ0psRE:f4wE9Yu5pvz7n5azIABHsR
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
file.exe
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Size
4.2MB
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MD5
1a688ed7f5d7ce8f0155133ad0a2e60d
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SHA1
7a71b0ee7f99ca9e0b61b105ce9fd8478012c19b
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SHA256
bbba491abc5c69486fa59fb1e1b5ddc5d3942a107ac8e149795b55e66e3f0111
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SHA512
512961729a2aafa06d778b779ad46891b2247e14530919177aad184a1e3589d5b5993b1dadae16af69680942e64af0c2088ee1852a725a2b47151e94f62cc9e9
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SSDEEP
98304:f4wYhv9iDFo5Gub/Tz763K5azyPXp+KWQ0psRE:f4wE9Yu5pvz7n5azIABHsR
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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