xpertrat | 65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd

General

Target
65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
Size 4.7MB
Sample220326-qqrr9sdcb7
SHA256 65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd
MD5 5381190ae2511b2374d61486cf69c37b
SHA1 22972a0f1482cb5343dc5623a95fcfbe7ec966de
SHA512 51ac0d0a1959324b4bddc5299d724aa1b9058faae643f2e7b04597be6a4b363f33cd5b603d5888dd9b80faf2a2150e5423184f6e09c95142a89f3a14e271e065
MD5 SHA1 SHA512

Score

10^/10

xpertrat evasion persistence rat trojan

Malware Config

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
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

T1112

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\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0 = "C:\\Users\\Admin\\AppData\\Roaming\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0.exe"	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0 = "C:\\Users\\Admin\\AppData\\Roaming\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0 = "C:\\Users\\Admin\\AppData\\Roaming\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0\\J0X3M1G4-A0Q6-T8A5-M5I7-G224Y4X0N7E0.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3856 set thread context of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 224 set thread context of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	448	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
448	iexplore.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 3856 wrote to memory of 224	3856	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	87
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89
PID 224 wrote to memory of 448	224	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe	89

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe

C:\Users\Admin\AppData\Local\Temp\65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
"C:\Users\Admin\AppData\Local\Temp\65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Users\Admin\AppData\Local\Temp\65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
  "C:\Users\Admin\AppData\Local\Temp\65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe"
  2⤵
  - 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:224
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\65989f6e9b94e49f8ab86cda80572b8b5d1cddd02297b453c81ab13c3368a1bd.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:448