agenttesla | f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b

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"	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.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	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe = "0"	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe

Contacts a large (4269) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.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	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe = "0"	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.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	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7633	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5740	powershell.exe
5740	powershell.exe
5740	powershell.exe
6396	regsvcs.exe
6396	regsvcs.exe
6396	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
Token: SeDebugPrivilege	5740	powershell.exe
Token: SeDebugPrivilege	6396	regsvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6396	regsvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 5740	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	100
PID 4632 wrote to memory of 5740	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	100
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 6396	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	101
PID 4632 wrote to memory of 10292	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	103
PID 4632 wrote to memory of 10292	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	103
PID 4632 wrote to memory of 10292	4632	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe	103

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"	f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe

C:\Users\Admin\AppData\Local\Temp\f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe
"C:\Users\Admin\AppData\Local\Temp\f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4632
- 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\f85fbf42de86ccd194b7ed2ff16ec15a5da6038783c72961e6c104d86eefa86b.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:6396
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  PID:10292

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

3

T1562

Disable or Modify Tools

Modify Registry

Subvert Trust Controls

T1553

Install Root Certificate