xpertrat | 24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

Windows security bypass 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331 = "C:\\Users\\Admin\\AppData\\Roaming\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331.exe"	iexplore.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1732 notepad.exe

pid	process
1732	notepad.exe

Windows security modification 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331 = "C:\\Users\\Admin\\AppData\\Roaming\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331 = "C:\\Users\\Admin\\AppData\\Roaming\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331\\O6F008P6-Y2C0-M8X2-S888-B1Y5L7K7Q331.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	pid	process	target process
PID 560 set thread context of 2016	560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
PID 2016 set thread context of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

pid	process
2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 2000 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	2000	iexplore.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exeiexplore.exe

pid	process
560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
2000	iexplore.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exeiexplore.exe

description	pid	process	target process
PID 560 wrote to memory of 2016	560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
PID 560 wrote to memory of 2016	560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
PID 560 wrote to memory of 2016	560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
PID 560 wrote to memory of 2016	560	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2016 wrote to memory of 2000	2016	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe	iexplore.exe
PID 2000 wrote to memory of 1732	2000	iexplore.exe	notepad.exe
PID 2000 wrote to memory of 1732	2000	iexplore.exe	notepad.exe
PID 2000 wrote to memory of 1732	2000	iexplore.exe	notepad.exe
PID 2000 wrote to memory of 1732	2000	iexplore.exe	notepad.exe
PID 2000 wrote to memory of 1732	2000	iexplore.exe	notepad.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe

C:\Users\Admin\AppData\Local\Temp\24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
"C:\Users\Admin\AppData\Local\Temp\24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
C:\Users\Admin\AppData\Local\Temp\24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe"
2⤵
- 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:2016

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\24b0f646c3bb9d35e9761b5d851b09c866eb8466d7438cedb561e8e79fe2af30.exe
3⤵
- 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:2000

C:\Windows\SysWOW64\notepad.exe
notepad.exe
4⤵
- Deletes itself
PID:1732

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