Analysis
- max time kernel
150s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
07/09/2026, 12:35
General
- Target opuac.vbs
- Size 1KB
- Sample260907-pshrpsgh93
- SHA256 d686a3fc8c3506d59e3382c281b4293c3545f5e338efca5920ff66201b7177e9
Score
10/10
Malware Config
Signatures
- UAC bypass 3 TTPs 1 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\opuac.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "ConsentPromptBehaviorAdmin" /t REG_DWORD /d 0 /f2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "ConsentPromptBehaviorAdmin" /t REG_DWORD /d 0 /f3⤵
- UAC bypass
-
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1