xpertrat | 6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

Windows security bypass 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

XpertRAT
XpertRAT is a remote access trojan with various capabilities.
rat xpertrat

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

iexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6 = "C:\\Users\\Admin\\AppData\\Roaming\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1792 notepad.exe

pid	process
1792	notepad.exe

Windows security modification 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6 = "C:\\Users\\Admin\\AppData\\Roaming\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6 = "C:\\Users\\Admin\\AppData\\Roaming\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6\\U440S6D3-S1J8-U7Y6-U224-P8W7P5Y1L7L6.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	pid	process	target process
PID 1996 set thread context of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 set thread context of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

pid	process
1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 1284 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exeiexplore.exe

pid process

1996 6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
1284 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	1284	iexplore.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exeiexplore.exe

description	pid	process	target process
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1992	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1996 wrote to memory of 1284	1996	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe	iexplore.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe
PID 1284 wrote to memory of 1792	1284	iexplore.exe	notepad.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe

C:\Users\Admin\AppData\Local\Temp\6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
"C:\Users\Admin\AppData\Local\Temp\6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1996

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
2⤵
PID:1992

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\6cdc19ff655d60c2f9f5ea1d4397efa91e20a60581509b90664c556c30db34c2.exe
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\SysWOW64\notepad.exe
notepad.exe
3⤵
- Deletes itself
PID:1792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

3

Modify Registry

6