agenttesla | bd3de02e97b1484955daace9cd74c656ce3ea4cd303767285102f78b980b9403

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"	Karachaganak Gas Project Unit 4 (KGP).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	Karachaganak Gas Project Unit 4 (KGP).exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe = "0"	Karachaganak Gas Project Unit 4 (KGP).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-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	Karachaganak Gas Project Unit 4 (KGP).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	Karachaganak Gas Project Unit 4 (KGP).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	Karachaganak Gas Project Unit 4 (KGP).exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe = "0"	Karachaganak Gas Project Unit 4 (KGP).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TulzXve = "C:\\Users\\Admin\\AppData\\Roaming\\TulzXve\\TulzXve.exe"	AddInProcess32.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"	Karachaganak Gas Project Unit 4 (KGP).exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Karachaganak Gas Project Unit 4 (KGP).exe

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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
748	3616	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4596	Karachaganak Gas Project Unit 4 (KGP).exe
4596	Karachaganak Gas Project Unit 4 (KGP).exe
3616	AddInProcess32.exe
3616	AddInProcess32.exe
1580	powershell.exe
1580	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	Karachaganak Gas Project Unit 4 (KGP).exe
Token: SeDebugPrivilege	3616	AddInProcess32.exe
Token: SeDebugPrivilege	1580	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 1580	4596	Karachaganak Gas Project Unit 4 (KGP).exe	90
PID 4596 wrote to memory of 1580	4596	Karachaganak Gas Project Unit 4 (KGP).exe	90
PID 4596 wrote to memory of 1580	4596	Karachaganak Gas Project Unit 4 (KGP).exe	90
PID 4596 wrote to memory of 4876	4596	Karachaganak Gas Project Unit 4 (KGP).exe	89
PID 4596 wrote to memory of 4876	4596	Karachaganak Gas Project Unit 4 (KGP).exe	89
PID 4596 wrote to memory of 4876	4596	Karachaganak Gas Project Unit 4 (KGP).exe	89
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91
PID 4596 wrote to memory of 3616	4596	Karachaganak Gas Project Unit 4 (KGP).exe	91

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"	Karachaganak Gas Project Unit 4 (KGP).exe

C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe
"C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4596
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:4876
- 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\Karachaganak Gas Project Unit 4 (KGP).exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 1852
    3⤵
    - Program crash
    PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3616 -ip 3616
1⤵
PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry