Analysis
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max time kernel
20s -
max time network
21s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 16:13
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
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Target
file.exe
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Size
4.1MB
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MD5
5f333ec8f045aff195aad4311a4b7ef2
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SHA1
99dd90fac17bedff9dfe1ad6c2d0a953758bd91b
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SHA256
ddc36ae51e0636472cbe7f04d0f4f3ae11a3f8efcdf8fd6068b0dc6eb614170b
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SHA512
d971ef26716279c02146ca4a877ff0360bed51a4817f81efff940cbaed80f348e45de17b722b6723d15af6bb2def3bac2bfbace62c2ff8bc480d6d500a120321
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SSDEEP
98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyT:HLrl71nfeU4CrZzVqgt1T
Malware Config
Signatures
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Cryptbot family
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/3240-8-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.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 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.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 file.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3240 file.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 file.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3240 file.exe 3240 file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- 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:3240