Analysis
- user interaction
yes - max time kernel
6s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/06/2026, 14:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
uac_bypass.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target uac_bypass.exe
- Size 16KB
- Sample260627-r49exabt21
- SHA256 9f08cf363d9acde1b04e9be82150c74b5734690c21856561c65f1f7917786cb3
- MD5 89b3b00ce0ee72cedba7b3f7b6f363b6
- SHA1 acf8641756093a84139e7922bb036ec5c959db6e
- SHA512 11b0ffad581ac690cd3dd386d4182d05fc833c8774e60d6a7cf343bab4fb587ebbd3c549fb8513babdf472c2c03fb12df329c8ad5f97e980aba2705c84635885
- SSDEEP 192:OaYJTHqdHOriC/UNLeCQ2BU29Rk99Em3Q5tfhV:OdJjcuG5heh2OK0Cm3a
- TLSH T1D772394AFF1649DED575C23DCF729525E3F1B2229722A7DB23A049090E6AAC13C71A44
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- UAC bypass 3 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "5" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uac_bypass.exe - Checks whether UAC is enabled 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1" uac_bypass.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 8 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open\command uac_bypass.exe Key created \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings uac_bypass.exe Key created \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell uac_bypass.exe Key created \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open uac_bypass.exe Set value (str) \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open\command\ = "cmd.exe /c start cmd.exe & exit" uac_bypass.exe Set value (str) \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open\command\DelegateExecute uac_bypass.exe Key deleted \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open\command uac_bypass.exe Key deleted \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000_Classes\ms-settings\Shell\Open uac_bypass.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2244 wrote to memory of 4944 2244 uac_bypass.exe 82 PID 4944 wrote to memory of 3340 4944 fodhelper.exe 83 PID 3340 wrote to memory of 3636 3340 cmd.exe 85 - System policy modification 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "5" uac_bypass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1" uac_bypass.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uac_bypass.exe"C:\Users\Admin\AppData\Local\Temp\uac_bypass.exe"1⤵
- UAC bypass
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2244 -
C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\system32\cmd.exe"cmd.exe" /c start cmd.exe & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\system32\cmd.execmd.exe4⤵PID:3636
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