General
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Target
file.exe
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Size
4.2MB
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Sample
241124-d1bskssjay
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MD5
f35acf76c5ace4e007dc64fcde784dbe
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SHA1
8c3fbdc41b3d357b06902049e2ad6f2e4d136344
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SHA256
86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07
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SHA512
81c0f7526b83b76e9dbf8fa1256baa0945df7337dc876f45b774651449ef98d776b371d0ec91ff771dad0e722bdb2358205bfeaefc5559e738da157111f3002a
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SSDEEP
98304:89kuJYPlJjOx3wSnKkDa4RWrlJqxQl/eelLKu6hTSRxRQee:zIsirKkDHRaJqil/LzIqXQee
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
4.2MB
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MD5
f35acf76c5ace4e007dc64fcde784dbe
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SHA1
8c3fbdc41b3d357b06902049e2ad6f2e4d136344
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SHA256
86088c0dfa1761f1989204ae2d46a3a0b3defaf379a2ccd0b81b0067aae8ec07
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SHA512
81c0f7526b83b76e9dbf8fa1256baa0945df7337dc876f45b774651449ef98d776b371d0ec91ff771dad0e722bdb2358205bfeaefc5559e738da157111f3002a
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SSDEEP
98304:89kuJYPlJjOx3wSnKkDa4RWrlJqxQl/eelLKu6hTSRxRQee:zIsirKkDHRaJqil/LzIqXQee
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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