Analysis
- max time kernel
102s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system - submitted
19/08/2025, 04:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
rDOCUMENTODEENV__O.exe
Resource
win10v2004-20250619-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
rDOCUMENTODEENV__O.exe
Resource
win11-20250610-en
6 signatures
150 seconds
General
- Target rDOCUMENTODEENV__O.exe
- Size 54KB
- Sample250819-e5a8aazpy2
- SHA256 4bc434a4fc47e4e3e5345d0a8180dd9ea36272ade2901a6865415acf75f43228
- MD5 d8a264be38a98c28b9c9d57b4e3bf8d8
- SHA1 b3a7cd0da3292853abb51265af6ea39ed1b90cec
- SHA512 904a04eea41e55cf96c5e87596f1ea279dd44ecc4f5e08aeb1caaa9553c727543f313b144687d621954c4c82677bd9a9f66df1c46a813f2a81126f021ecc44cc
- SSDEEP 768:rwloeq5ypNsAz2DaPWWRfYL2+8LZGyp7izjrcY9FV4msZOgzdueYsg4:rzeq5y0AsaeWRfYwL7igYzCmSOMF
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TickCount.vbs rDOCUMENTODEENV__O.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4548 set thread context of 5108 4548 rDOCUMENTODEENV__O.exe 78 - System Location Discovery: System Language Discovery 1 TTPs 2 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 InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rDOCUMENTODEENV__O.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4548 rDOCUMENTODEENV__O.exe Token: SeDebugPrivilege 4548 rDOCUMENTODEENV__O.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5108 InstallUtil.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78 PID 4548 wrote to memory of 5108 4548 rDOCUMENTODEENV__O.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\rDOCUMENTODEENV__O.exe"C:\Users\Admin\AppData\Local\Temp\rDOCUMENTODEENV__O.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5108
-