91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Windows security bypass 2 TTPs 2 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
904	svchost.exe
636	svchost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WordPad.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WordPad.exe	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe

Windows security modification 2 TTPs 2 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	svchost.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
904	svchost.exe
636	svchost.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 960 wrote to memory of 1992	960	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	27
PID 1992 wrote to memory of 904	1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	28
PID 1992 wrote to memory of 904	1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	28
PID 1992 wrote to memory of 904	1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	28
PID 1992 wrote to memory of 904	1992	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe	28
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29
PID 904 wrote to memory of 636	904	svchost.exe	29

System policy modification 1 TTPs 4 IoCs

evasion

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
"C:\Users\Admin\AppData\Local\Temp\91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Local\Temp\91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe
  "C:\Users\Admin\AppData\Local\Temp\91187aadf4056777bfdfb499b8e3b5ef3b35c6d5579e5a17220115ef1b15fc2c.exe"
  2⤵
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - Checks whether UAC is enabled
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1992
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:904
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      UAC bypass
      Windows security bypass
      Executes dropped EXE
      Drops startup file
      Windows security modification
      Checks whether UAC is enabled
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry