xenorat | e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	SSUNJNDPI.exe

Executes dropped EXE 8 IoCs

pid	Process
1196	SSUNJNDPI.exe
1916	SSUNJNDPI.exe
768	SSUNJNDPI.exe
4648	SSUNJNDPI.exe
4896	SSUNJNDPI.exe
4944	SSUNJNDPI.exe
4872	SSUNJNDPI.exe
1828	SSUNJNDPI.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1916	1196	SSUNJNDPI.exe	91
PID 1196 set thread context of 768	1196	SSUNJNDPI.exe	92
PID 1196 set thread context of 4648	1196	SSUNJNDPI.exe	93
PID 4896 set thread context of 4944	4896	SSUNJNDPI.exe	95
PID 4896 set thread context of 4872	4896	SSUNJNDPI.exe	96
PID 4896 set thread context of 1828	4896	SSUNJNDPI.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	4944	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3304	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3596	WINWORD.EXE
3596	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	SSUNJNDPI.exe
Token: SeDebugPrivilege	4896	SSUNJNDPI.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3596	WINWORD.EXE
3596	WINWORD.EXE
3596	WINWORD.EXE
3596	WINWORD.EXE
3596	WINWORD.EXE
3596	WINWORD.EXE
3596	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 1196	3596	WINWORD.EXE	89
PID 3596 wrote to memory of 1196	3596	WINWORD.EXE	89
PID 3596 wrote to memory of 1196	3596	WINWORD.EXE	89
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 1916	1196	SSUNJNDPI.exe	91
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 768	1196	SSUNJNDPI.exe	92
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1196 wrote to memory of 4648	1196	SSUNJNDPI.exe	93
PID 1916 wrote to memory of 4896	1916	SSUNJNDPI.exe	94
PID 1916 wrote to memory of 4896	1916	SSUNJNDPI.exe	94
PID 1916 wrote to memory of 4896	1916	SSUNJNDPI.exe	94
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4944	4896	SSUNJNDPI.exe	95
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 4872	4896	SSUNJNDPI.exe	96
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 4896 wrote to memory of 1828	4896	SSUNJNDPI.exe	98
PID 768 wrote to memory of 3304	768	SSUNJNDPI.exe	107
PID 768 wrote to memory of 3304	768	SSUNJNDPI.exe	107
PID 768 wrote to memory of 3304	768	SSUNJNDPI.exe	107

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1916
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4896
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        
        PID:4944
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 80
        6⤵
        Program crash
        
        PID:3824
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4872
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1828
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:768
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp191.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3304
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery