General
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Target
3540f08b37b30b6c554e0e5ff05a8e97.bin
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Size
4.2MB
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Sample
241124-bk433ssmhl
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MD5
16a5de2f84923105e3777635b4f824bb
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SHA1
7aca2f1da3bcf15359a9908c6f2e4fc269adc998
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SHA256
dcb43c0257c290b40d10aef8d744a8712337828f76dfd2f72d8cce233005b1c6
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SHA512
456d97b79c893b513d9c06b25ac33ad0fb6b80938b27a6b0ec1c71da9ae0a2f402511b6cead930e48d4707cd1986d41cbc863fbdafa8a55e9ae0da12b6efd9c9
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SSDEEP
98304:XJZv7J+bJAvbhrU6kQ1GwsszHRDhsb8GlmD/CASz3AHXOGyuF:55t1ZzxtD/Chd/0
Static task
static1
Behavioral task
behavioral1
Sample
562ab7435cbde0c5528a05f60ce959fa9b428d3378f4d0f5b22f48eb09fe13e6.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
562ab7435cbde0c5528a05f60ce959fa9b428d3378f4d0f5b22f48eb09fe13e6.exe
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Size
4.2MB
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MD5
3540f08b37b30b6c554e0e5ff05a8e97
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SHA1
1ca146fe61b66a73900f1008f8267ec5554413c2
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SHA256
562ab7435cbde0c5528a05f60ce959fa9b428d3378f4d0f5b22f48eb09fe13e6
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SHA512
9ca4c49a620c2cb06a8c334d1cdce999579f3dcd472b10e7227c54089efe9e68844bfc0e2d34e0b72558e714b01094eeaa849b30566b1d7e7461fe928f1ed201
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SSDEEP
98304:xnKBRfe+3kcUqby3hCkwlCSZX+4YVIudgUa/E+3:xKvGwkcUMyRCk0CSZO3yum/E
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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