Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-12-2024 16:15
Static task
static1
Behavioral task
behavioral1
Sample
4b7a502ea349a1138dabc95986ae5f01.exe
Resource
win7-20240903-en
General
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Target
4b7a502ea349a1138dabc95986ae5f01.exe
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Size
4.3MB
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MD5
4b7a502ea349a1138dabc95986ae5f01
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SHA1
2fc5f42c5bb44566198a2069eb11327043216689
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SHA256
40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579
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SHA512
1238161d24634561b0de608d2857d82f99582c0b216c1d5cac02e5ec2039cc73b4b8211d48c58d8fe38c7599a284096d087659749dc037b3dacb6b9d1e891186
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SSDEEP
98304:VsA3f3OQ4tskTO2+947Yxgm9cHW6WwCOTHG3p1k2:H3OD3Zr7Ugm9cgom
Malware Config
Extracted
cryptbot
Signatures
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Cryptbot family
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF 4b7a502ea349a1138dabc95986ae5f01.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4b7a502ea349a1138dabc95986ae5f01.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4b7a502ea349a1138dabc95986ae5f01.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4b7a502ea349a1138dabc95986ae5f01.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine 4b7a502ea349a1138dabc95986ae5f01.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4416 4b7a502ea349a1138dabc95986ae5f01.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b7a502ea349a1138dabc95986ae5f01.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe 4416 4b7a502ea349a1138dabc95986ae5f01.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b7a502ea349a1138dabc95986ae5f01.exe"C:\Users\Admin\AppData\Local\Temp\4b7a502ea349a1138dabc95986ae5f01.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4416