agenttesla | 5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe = "0"	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.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

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe = "0"	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	pid	process	target process
PID 4768 set thread context of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.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

Processes:

powershell.exeCasPol.exe

pid process

5060 powershell.exe
5060 powershell.exe
3796 CasPol.exe
3796 CasPol.exe

pid	process
5060	powershell.exe
5060	powershell.exe
3796	CasPol.exe
3796	CasPol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exepowershell.exeCasPol.exe

description	pid	process
Token: SeDebugPrivilege	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	3796	CasPol.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	pid	process	target process
PID 4768 wrote to memory of 5060	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	powershell.exe
PID 4768 wrote to memory of 5060	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	powershell.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe
PID 4768 wrote to memory of 3796	4768	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe	CasPol.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe

C:\Users\Admin\AppData\Local\Temp\5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe
"C:\Users\Admin\AppData\Local\Temp\5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.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:4768

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\5141b0042723b654ce6257897c61f78697e0ece7cb9e0b264bd3d6ef3e44d58e.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3796

Network

MITRE ATT&CK Matrix ATT&CK v13

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

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry