lgoogloader | c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75

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"	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.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	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe = "0"	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe

Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF 1 IoCs

resource	yara_rule
behavioral2/memory/544-8-0x00000000084D0000-0x00000000086C2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/memory/32-18-0x0000000002B10000-0x0000000002B1D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs

resource	yara_rule
behavioral2/memory/544-8-0x00000000084D0000-0x00000000086C2000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender

Detects executables embedding command execution via IExecuteCommand COM object 1 IoCs

resource	yara_rule
behavioral2/memory/544-8-0x00000000084D0000-0x00000000086C2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM

Detects executables potentially checking for WinJail sandbox window 2 IoCs

resource	yara_rule
behavioral2/memory/544-8-0x00000000084D0000-0x00000000086C2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Anti_WinJail
behavioral2/memory/544-8-0x00000000084D0000-0x00000000086C2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Anti_OldCopyPaste

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.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	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe = "0"	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.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	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59

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
2808	powershell.exe
2808	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 2808	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	60
PID 544 wrote to memory of 2808	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	60
PID 544 wrote to memory of 2808	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	60
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59
PID 544 wrote to memory of 32	544	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe	59

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"	c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe

C:\Users\Admin\AppData\Local\Temp\c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe
"C:\Users\Admin\AppData\Local\Temp\c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.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 WriteProcessMemory
- System policy modification
PID:544
- C:\Windows\SysWOW64\calc.exe
  "C:\Windows\SYSWOW64\calc.exe"
  2⤵
  PID:32
- 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\c4290abc9b05d22cb4112768759acf854f881d08e697528fa2549740f89b9d75.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

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

T1562

Disable or Modify Tools

Modify Registry