xpertrat | 1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

Windows security bypass 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.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\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4.exe"	iexplore.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2888-130-0x0000000000140000-0x00000000002D2000-memory.dmp	upx
behavioral2/memory/2888-139-0x0000000000140000-0x00000000002D2000-memory.dmp	upx
behavioral2/memory/2916-141-0x0000000000140000-0x00000000002D2000-memory.dmp	upx

Drops startup file 1 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DisplaySwitch.url	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

Windows security modification 2 TTPs 1 IoCs

Disabling Security Tools

Modify Registry

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4.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\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4\\H8M3F0X6-F4E2-O2S0-T0D7-Q1N2H5T660I4.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/2888-139-0x0000000000140000-0x00000000002D2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	pid	process	target process
PID 2888 set thread context of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2916 set thread context of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

pid	process
2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 1588 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	1588	iexplore.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

pid	process
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

pid	process
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exeiexplore.exe

pid process

2916 1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
1588 iexplore.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	pid	process	target process
PID 2888 wrote to memory of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2888 wrote to memory of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2888 wrote to memory of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2888 wrote to memory of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2888 wrote to memory of 2916	2888	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe
PID 2916 wrote to memory of 1588	2916	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe

C:\Users\Admin\AppData\Local\Temp\1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
"C:\Users\Admin\AppData\Local\Temp\1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2888

C:\Users\Admin\AppData\Local\Temp\1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
"C:\Users\Admin\AppData\Local\Temp\1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.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:2916

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\1efb79881431d2efa05df52579a10b3a73a465f38c90b3eef43a0d354e3ef3b1.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1588

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