9c98c66e6f9e5a9b413649ec1db2aa831ffd490b2777725fd9efebe0b4db36b6

Analysis

max time kernel
149s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 12:16

Target
uac399.vbs
Size 1KB
Sample260604-pflb3ad14w
SHA256 9c98c66e6f9e5a9b413649ec1db2aa831ffd490b2777725fd9efebe0b4db36b6
MD5 628f928a91e5afd6e7632084d2bd5a51
SHA1 4d7468c226abc4a318275326e183ceca9036b6f5
SHA512 a49488506db6994dae7cfafe1ebc4ee8319398844818acf9232525018d5d10c4006c200941009d06f24128034bb0a50e8ea7a9f620e76fe9709e64546610f9d8
TLSH
T12721325F983FE9B2C1F191F181E30014F661293B0C628D28754ED0094FB0B16965C4EB
MD5 SHA1 SHA512 TLSH

Score

10^/10

UAC bypass 3 TTPs 1 IoCs

defense_evasion trojan

Bypass User Account Control

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1828	1292	WScript.exe	81
PID 1828 wrote to memory of 2076	1828	cmd.exe	83

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\uac399.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- 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 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\system32\reg.exe
    reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "ConsentPromptBehaviorAdmin" /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    PID:2076