23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe = "0"	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3620	powershell.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe = "0"	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.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"	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4776 set thread context of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	powershell.exe
3620	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
Token: SeDebugPrivilege	3620	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 3620	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	86
PID 4776 wrote to memory of 3620	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	86
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 2032	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	88
PID 4776 wrote to memory of 4824	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	89
PID 4776 wrote to memory of 4824	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	89
PID 4776 wrote to memory of 4824	4776	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe	89

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"	23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe

C:\Users\Admin\AppData\Local\Temp\23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe
"C:\Users\Admin\AppData\Local\Temp\23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4776
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\23fa195be652ef4af44a1f80ebfde631584e6ddd3b014f14af6fc4ac7605d584.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3620
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2032
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:4824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry