Analysis
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max time kernel
94s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 06:55
Static task
static1
Behavioral task
behavioral1
Sample
8841698b335573b0abe7875b85b653d6.exe
Resource
win7-20240903-en
General
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Target
8841698b335573b0abe7875b85b653d6.exe
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Size
4.2MB
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MD5
8841698b335573b0abe7875b85b653d6
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SHA1
e74926dcb5b7e996d4f4961a763d2c4d8e8e24d0
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SHA256
490fc3ac1830a381350813ad614c258eb761886aad612879a592461edffd719b
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SHA512
2f8941aaf2724687e70f4c742ac2f3a2009df18776d8e182a3042eb33422463df109e1e666d8f8a66cd7f6312e86aa9dd4a127c5559e04cbd57a6da51077e037
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SSDEEP
98304:4Ha58BJIGJlaZO5+OFpubzo4p3BRTPb5Nk/B8R:47wbz97PDkJ
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 8841698b335573b0abe7875b85b653d6.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__ 8841698b335573b0abe7875b85b653d6.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 8841698b335573b0abe7875b85b653d6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8841698b335573b0abe7875b85b653d6.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine 8841698b335573b0abe7875b85b653d6.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 4116 8841698b335573b0abe7875b85b653d6.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 8841698b335573b0abe7875b85b653d6.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe 4116 8841698b335573b0abe7875b85b653d6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8841698b335573b0abe7875b85b653d6.exe"C:\Users\Admin\AppData\Local\Temp\8841698b335573b0abe7875b85b653d6.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:4116