Analysis
- max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 21:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
LockCheck.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
LockCheck.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target LockCheck.exe
- Size 56KB
- Sample261102-1pre8axscs
- SHA256 91375e7640a695f857eea1513e781fdf6ad309c9b4619527328f6f02dda825c1
- MD5 e71f1044693857056a0784cda4863dd2
- SHA1 2bbf5e78a57a159c747bd3ab35379a658ae229a9
- SHA512 0f1d9b806f72d15c57d1d828c747c3c3e24c01018749785009bf2e9a71c157630906247cf3337fac855e7b5557e9caae4e6104b90d0ad8b7fed00450178c260d
- SSDEEP 768:NjgTCT8NaaevtWbzVPpuZxYK6MRRbD6n:MCTFHFWbzVPW6MRRbD6n
- TLSH T1C343B463F664CC2BC77406B01BAB529302776E35281FCB9A38C9FE4E4561B5D0BDD682
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\LockCheck = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LockCheck.exe" LockCheck.exe - 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 LockCheck.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LockCheck.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1792 LockCheck.exe Token: SeDebugPrivilege 6108 LockCheck.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1792 LockCheck.exe 1792 LockCheck.exe 6108 LockCheck.exe 6108 LockCheck.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1792 LockCheck.exe 1792 LockCheck.exe 6108 LockCheck.exe 6108 LockCheck.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1792 LockCheck.exe 6108 LockCheck.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\LockCheck.exe"C:\Users\Admin\AppData\Local\Temp\LockCheck.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1792
-
C:\Users\Admin\AppData\Local\Temp\LockCheck.exeC:\Users\Admin\AppData\Local\Temp\LockCheck.exe1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:6108