xpertrat | 9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5

General

Target
9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
Size 421KB
Sample220511-c8yrmseac2
SHA256 9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5
MD5 fe212a223d63b8af680a7508b9ee5f25
SHA1 91974ea1ec4d8741e34c2a84f069d955b63c566a
SHA512 2e0f9a2d955b9837d3ac626b0c38d60e747bf43182f1ca21aa4bb26190b9041df38ffcb25261a8b7bb8b0c2bed11f6c53217758c939f0fa30daf0d5e81fcffca
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\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8 = "C:\\Users\\Admin\\AppData\\Roaming\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8.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"	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8 = "C:\\Users\\Admin\\AppData\\Roaming\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8.exe"	iexplore.exe
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\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8 = "C:\\Users\\Admin\\AppData\\Roaming\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8\\I3N7F4Q2-G886-I6L4-T4D2-R5G6A0T1T4C8.exe"	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"	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2464 set thread context of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 1236 set thread context of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
1920	iexplore.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 2464 wrote to memory of 1236	2464	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	81
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1236 wrote to memory of 1920	1236	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe	82
PID 1920 wrote to memory of 3936	1920	iexplore.exe	84
PID 1920 wrote to memory of 3936	1920	iexplore.exe	84
PID 1920 wrote to memory of 3936	1920	iexplore.exe	84
PID 1920 wrote to memory of 3936	1920	iexplore.exe	84

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"	9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe

C:\Users\Admin\AppData\Local\Temp\9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
"C:\Users\Admin\AppData\Local\Temp\9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.exe
  "C:\Users\Admin\AppData\Local\Temp\9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.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:1236
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\9442bcc1f429af89162eaa7d9dca5115b9b46ecd775ddef52dd55c042ccd96d5.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:1920
  - - C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      4⤵
      PID:3936