Analysis
- user interaction
yes - max time kernel
56s - max time network
57s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/07/2026, 15:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
stage2_dropped.exe
Resource
win10v2004-20260513-en
2 signatures
300 seconds
Behavioral task
behavioral2
Sample
stage2_dropped.exe
Resource
win11ltsc2024-20260709-en
6 signatures
300 seconds
General
- Target stage2_dropped.exe
- Size 1.0MB
- Sample260721-tesrzacb34
- SHA256 06eff856cf1a03eb8517eae9a903baa627401846870daf6f1a2f181aa6ff913c
- MD5 7e12dfad7e327ab6b9ee036757611085
- SHA1 383686d5ffe04b8693f609b16fcd4e23f9403c33
- SHA512 d164b8bea888486406345aad045c1539fe1a94a7a3c6860de952fe945f13ed9337156d85d5e623a82ed2add6e650b770e7a18d50bc2722859dad45fa45cd713c
- SSDEEP 12288:RubDzswvnKW8S7G6l8xmfk9UxqDU8vkX/uDOrBqfj:4Pzswvn78eG6l8xmM90Rwfj
- TLSH T162352D8ED49203B5B792FB73521AD6625DF2390284328A75CF497D375F06F24A028EED
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4276 stage2_dropped.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4892 WINWORD.EXE 4892 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4276 stage2_dropped.exe 4276 stage2_dropped.exe 4276 stage2_dropped.exe 4276 stage2_dropped.exe 4276 stage2_dropped.exe 4276 stage2_dropped.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4892 WINWORD.EXE 4892 WINWORD.EXE 4892 WINWORD.EXE 4892 WINWORD.EXE 4892 WINWORD.EXE 4892 WINWORD.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\stage2_dropped.exe"C:\Users\Admin\AppData\Local\Temp\stage2_dropped.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4276
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\RemoveUnregister.rtf" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4892