a1709149461b53bc54bcda054a1948e62a92b7fe08f56518d224f531cc400130

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e13857401eb5c43d18a498712188ed15.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	e13857401eb5c43d18a498712188ed15.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe = "0"	e13857401eb5c43d18a498712188ed15.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	e13857401eb5c43d18a498712188ed15.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	e13857401eb5c43d18a498712188ed15.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	e13857401eb5c43d18a498712188ed15.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe = "0"	e13857401eb5c43d18a498712188ed15.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e13857401eb5c43d18a498712188ed15.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e13857401eb5c43d18a498712188ed15.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4356	e13857401eb5c43d18a498712188ed15.exe
4356	e13857401eb5c43d18a498712188ed15.exe
1208	powershell.exe
1208	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4356	e13857401eb5c43d18a498712188ed15.exe
Token: SeDebugPrivilege	1208	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 1208	4356	e13857401eb5c43d18a498712188ed15.exe	92
PID 4356 wrote to memory of 1208	4356	e13857401eb5c43d18a498712188ed15.exe	92
PID 4356 wrote to memory of 1208	4356	e13857401eb5c43d18a498712188ed15.exe	92
PID 4356 wrote to memory of 3456	4356	e13857401eb5c43d18a498712188ed15.exe	94
PID 4356 wrote to memory of 3456	4356	e13857401eb5c43d18a498712188ed15.exe	94
PID 4356 wrote to memory of 3456	4356	e13857401eb5c43d18a498712188ed15.exe	94

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e13857401eb5c43d18a498712188ed15.exe

C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe
"C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4356
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1208
- C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe
  "C:\Users\Admin\AppData\Local\Temp\e13857401eb5c43d18a498712188ed15.exe"
  2⤵
  PID:3456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry