Analysis
- max time kernel
289s - max time network
301s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
17/10/2026, 03:20
General
- Target សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.exe
- Size 4.3MB
- Sample261017-dvr8dagx9k
- SHA256 f8a6f4951cb4e1fcb276e62d286bf4991377a1803203ad599cfc8c06a79cbef1
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
- Drops file in Drivers directory 1 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 46 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.exe"C:\Users\Admin\AppData\Local\Temp\សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-XTFEQ5W27E.tmp\សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.tmp"C:\Users\Admin\AppData\Local\Temp\is-XTFEQ5W27E.tmp\សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.tmp" /SL5="$80116,3030687,1336832,C:\Users\Admin\AppData\Local\Temp\សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Programs\Siz1ngs\YiRenZhiXia.exe"C:\Users\Admin\AppData\Local\Programs\Siz1ngs\YiRenZhiXia.exe"3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\Drivers\QKARDrv.sysC:\Windows\system32\Drivers\QKARDrv.sys1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
phototactically.exe
YiRenZhiXia.exe
emjio.tmp
resource.png
Siz1ngs.dll
_isdecmp.dll
សារជជែករបស់ជនល្មើសដែលបានគំរាមកំហែ�.tmp
QKARDrv.sys
memory/1048-5-0x0000021E99550000-0x0000021E99551000-memory.dmp
memory/1048-45-0x0000000000180000-0x000000000081F000-memory.dmp
memory/1768-51-0x00000000028F0000-0x00000000029D4000-memory.dmp
memory/4072-0-0x0000000000A00000-0x0000000000B5C000-memory.dmp
memory/4072-46-0x0000000000A00000-0x0000000000B5C000-memory.dmp