General
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Target
file.exe
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Size
4.3MB
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Sample
241126-z9k89szrax
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MD5
f5776b965778a92b20d7cdcc3ed87b8a
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SHA1
1b5a38a9d6b40243306672d8beba4bd38081788e
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SHA256
ae296c763a4d1175347ff21ca6b2fe38bbd3f5680be48bd20a27461fcd1632e5
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SHA512
b3ee8f35314f237087c8b1d43b0771384e20f2f0a40c3c0d4d064f1b3e5a6fb7986c169a7d7c313f08e0600e03257516bf8ea9c47c5f16c671aeb266b365c911
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SSDEEP
98304:ACIXMkbMEJbwFRWyN3nUJPmun3bWaxuOPCOdbygUA07Io:ACiMkg7yy9LgWac7ONb
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
4.3MB
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MD5
f5776b965778a92b20d7cdcc3ed87b8a
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SHA1
1b5a38a9d6b40243306672d8beba4bd38081788e
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SHA256
ae296c763a4d1175347ff21ca6b2fe38bbd3f5680be48bd20a27461fcd1632e5
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SHA512
b3ee8f35314f237087c8b1d43b0771384e20f2f0a40c3c0d4d064f1b3e5a6fb7986c169a7d7c313f08e0600e03257516bf8ea9c47c5f16c671aeb266b365c911
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SSDEEP
98304:ACIXMkbMEJbwFRWyN3nUJPmun3bWaxuOPCOdbygUA07Io:ACiMkg7yy9LgWac7ONb
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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