1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee

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"	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe = "0"	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.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
916	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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe = "0"	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.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"	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 1964 set thread context of 3536	1964	aspnet_wp.exe	56
PID 1964 set thread context of 4768	1964	aspnet_wp.exe	102
PID 4768 set thread context of 3536	4768	sfc.exe	56
PID 4768 set thread context of 2688	4768	sfc.exe	112

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	sfc.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
916	powershell.exe
916	powershell.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
1964	aspnet_wp.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1964	aspnet_wp.exe
3536	Explorer.EXE
3536	Explorer.EXE
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe
4768	sfc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
Token: SeDebugPrivilege	916	powershell.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 916	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	87
PID 4920 wrote to memory of 916	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	87
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 1964	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	89
PID 4920 wrote to memory of 4156	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	90
PID 4920 wrote to memory of 4156	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	90
PID 4920 wrote to memory of 4156	4920	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe	90
PID 3536 wrote to memory of 4768	3536	Explorer.EXE	102
PID 3536 wrote to memory of 4768	3536	Explorer.EXE	102
PID 3536 wrote to memory of 4768	3536	Explorer.EXE	102
PID 4768 wrote to memory of 2688	4768	sfc.exe	112
PID 4768 wrote to memory of 2688	4768	sfc.exe	112

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"	1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Users\Admin\AppData\Local\Temp\1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe
  "C:\Users\Admin\AppData\Local\Temp\1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe"
  2⤵
  - 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:4920
- - 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\1bb742c209872385c5b456d066fccf141ab2405245953c135b36029a3dbd5bee.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:916
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:1964
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:4156
- C:\Windows\SysWOW64\sfc.exe
  "C:\Windows\SysWOW64\sfc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2688

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

T1562

Disable or Modify Tools

Modify Registry