General
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Target
random.exe
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Size
6.3MB
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Sample
250207-skqzwsxkbq
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MD5
3d72b2c4ba36263375742d6c8d726c98
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SHA1
64ed89d703370ce69d0d8dea61e697f192719421
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SHA256
5daf14b11bae7062c17e08f0fc02d949b70f0a862a703821f2bfdb7720c2e516
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SHA512
42fdb2e6e525d39897bf1031105f78aaf9731c539dc8bc619bb1aa4a08bac12c2b94f8efe26bb3165abb162fa0a89a8e40964da60847283a54ccda0ab654ad7c
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SSDEEP
98304:6/Ury/Oc4Njy7ObMpVR9H09BK96gcFOnCGppHMhUx/ja:6/Uymc4NOOCVf3gurp
Static task
static1
Behavioral task
behavioral1
Sample
random.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
random.exe
Resource
win10v2004-20250207-en
Malware Config
Extracted
cryptbot
Targets
-
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Target
random.exe
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Size
6.3MB
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MD5
3d72b2c4ba36263375742d6c8d726c98
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SHA1
64ed89d703370ce69d0d8dea61e697f192719421
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SHA256
5daf14b11bae7062c17e08f0fc02d949b70f0a862a703821f2bfdb7720c2e516
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SHA512
42fdb2e6e525d39897bf1031105f78aaf9731c539dc8bc619bb1aa4a08bac12c2b94f8efe26bb3165abb162fa0a89a8e40964da60847283a54ccda0ab654ad7c
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SSDEEP
98304:6/Ury/Oc4Njy7ObMpVR9H09BK96gcFOnCGppHMhUx/ja:6/Uymc4NOOCVf3gurp
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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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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