xpertrat | 39feefb57167dd5ed9c900fa4b18aa815b955396ea3a298a5588bd9946d6a10d

General

Target
e7ab0c483542652a8ba5df01c70148b7.exe
Size 655KB
Sample220302-d3mb4acff9
SHA256 39feefb57167dd5ed9c900fa4b18aa815b955396ea3a298a5588bd9946d6a10d
MD5 e7ab0c483542652a8ba5df01c70148b7
SHA1 fdfb0d76b28f2bf0e4b946c51fa2dd0f654ec259
SHA512 d24528a0572465c51d99247076f591737f60116e8bab9a877f7e5219d76b782383921c84cea395566e44e1160efd78974441648b6e60902b98a6d7246a01f6b9
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\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7 = "C:\\Users\\Admin\\AppData\\Roaming\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7.exe"	iexplore.exe

Windows security modification 2 TTPs 2 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"	e7ab0c483542652a8ba5df01c70148b7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	e7ab0c483542652a8ba5df01c70148b7.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7 = "C:\\Users\\Admin\\AppData\\Roaming\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7.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\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7 = "C:\\Users\\Admin\\AppData\\Roaming\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7\\P1H5Y4R2-S002-Y7M3-V0W4-F4D2N1R6S0C7.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e7ab0c483542652a8ba5df01c70148b7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e7ab0c483542652a8ba5df01c70148b7.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 3384	840	e7ab0c483542652a8ba5df01c70148b7.exe	73
PID 3384 set thread context of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 400 set thread context of 2740	400	e7ab0c483542652a8ba5df01c70148b7.exe	78

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
840	e7ab0c483542652a8ba5df01c70148b7.exe
840	e7ab0c483542652a8ba5df01c70148b7.exe
3384	e7ab0c483542652a8ba5df01c70148b7.exe
3384	e7ab0c483542652a8ba5df01c70148b7.exe
3384	e7ab0c483542652a8ba5df01c70148b7.exe
3384	e7ab0c483542652a8ba5df01c70148b7.exe
3592	e7ab0c483542652a8ba5df01c70148b7.exe
3592	e7ab0c483542652a8ba5df01c70148b7.exe
3592	e7ab0c483542652a8ba5df01c70148b7.exe
3592	e7ab0c483542652a8ba5df01c70148b7.exe
400	e7ab0c483542652a8ba5df01c70148b7.exe
400	e7ab0c483542652a8ba5df01c70148b7.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
840	e7ab0c483542652a8ba5df01c70148b7.exe
840	e7ab0c483542652a8ba5df01c70148b7.exe
400	e7ab0c483542652a8ba5df01c70148b7.exe
400	e7ab0c483542652a8ba5df01c70148b7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3992	iexplore.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3384	e7ab0c483542652a8ba5df01c70148b7.exe
3992	iexplore.exe
2740	e7ab0c483542652a8ba5df01c70148b7.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 3384	840	e7ab0c483542652a8ba5df01c70148b7.exe	73
PID 840 wrote to memory of 3384	840	e7ab0c483542652a8ba5df01c70148b7.exe	73
PID 840 wrote to memory of 3384	840	e7ab0c483542652a8ba5df01c70148b7.exe	73
PID 840 wrote to memory of 3592	840	e7ab0c483542652a8ba5df01c70148b7.exe	74
PID 840 wrote to memory of 3592	840	e7ab0c483542652a8ba5df01c70148b7.exe	74
PID 840 wrote to memory of 3592	840	e7ab0c483542652a8ba5df01c70148b7.exe	74
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3384 wrote to memory of 3992	3384	e7ab0c483542652a8ba5df01c70148b7.exe	75
PID 3592 wrote to memory of 400	3592	e7ab0c483542652a8ba5df01c70148b7.exe	77
PID 3592 wrote to memory of 400	3592	e7ab0c483542652a8ba5df01c70148b7.exe	77
PID 3592 wrote to memory of 400	3592	e7ab0c483542652a8ba5df01c70148b7.exe	77
PID 400 wrote to memory of 2740	400	e7ab0c483542652a8ba5df01c70148b7.exe	78
PID 400 wrote to memory of 2740	400	e7ab0c483542652a8ba5df01c70148b7.exe	78
PID 400 wrote to memory of 2740	400	e7ab0c483542652a8ba5df01c70148b7.exe	78
PID 400 wrote to memory of 2464	400	e7ab0c483542652a8ba5df01c70148b7.exe	79
PID 400 wrote to memory of 2464	400	e7ab0c483542652a8ba5df01c70148b7.exe	79
PID 400 wrote to memory of 2464	400	e7ab0c483542652a8ba5df01c70148b7.exe	79

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e7ab0c483542652a8ba5df01c70148b7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e7ab0c483542652a8ba5df01c70148b7.exe

C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
"C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:840
- C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
  "C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.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:3384
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3992
- C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
  "C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe" 2 3384 30341015
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
    "C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:400
  - - C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
      "C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe"
      4⤵
      Windows security modification
      Checks whether UAC is enabled
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:2740
  - - C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe
      "C:\Users\Admin\AppData\Local\Temp\e7ab0c483542652a8ba5df01c70148b7.exe" 2 2740 30413093
      4⤵
      PID:2464