General
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Target
file.exe
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Size
4.2MB
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Sample
241122-y14tksxrev
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MD5
bc7728211118c8205e3e731e353be4eb
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SHA1
58c807907f5384a26a02ee042e2a8ac779acec53
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SHA256
408c1e0d4128dd79da38e0685f991f260ed155a0c391dcea710b893c138fa65e
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SHA512
9da4b443fbda39f21c3dd896da5df4e9b601553ee2e8705ea998efa6e57cd24aee44109314c57a0771e705ad45fe607e71522d07402a9eb59f6d82c83eca1c2a
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SSDEEP
98304:s9fmFp2FtD8rp+xO1dA+p0EFxc178bb6FOsEWuRlcj5:mOFg/DeJdp0+C8iFOPe
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
bc7728211118c8205e3e731e353be4eb
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SHA1
58c807907f5384a26a02ee042e2a8ac779acec53
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SHA256
408c1e0d4128dd79da38e0685f991f260ed155a0c391dcea710b893c138fa65e
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SHA512
9da4b443fbda39f21c3dd896da5df4e9b601553ee2e8705ea998efa6e57cd24aee44109314c57a0771e705ad45fe607e71522d07402a9eb59f6d82c83eca1c2a
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SSDEEP
98304:s9fmFp2FtD8rp+xO1dA+p0EFxc178bb6FOsEWuRlcj5:mOFg/DeJdp0+C8iFOPe
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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