xenorat | e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	SSUNJNDPI.exe

Executes dropped EXE 8 IoCs

pid	Process
1468	SSUNJNDPI.exe
5024	SSUNJNDPI.exe
2932	SSUNJNDPI.exe
1400	SSUNJNDPI.exe
4560	SSUNJNDPI.exe
1608	SSUNJNDPI.exe
4788	SSUNJNDPI.exe
2552	SSUNJNDPI.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 5024	1468	SSUNJNDPI.exe	88
PID 1468 set thread context of 2932	1468	SSUNJNDPI.exe	89
PID 1468 set thread context of 1400	1468	SSUNJNDPI.exe	91
PID 4560 set thread context of 1608	4560	SSUNJNDPI.exe	97
PID 4560 set thread context of 4788	4560	SSUNJNDPI.exe	98
PID 4560 set thread context of 2552	4560	SSUNJNDPI.exe	100

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1856	2932	WerFault.exe	89
628	5024	WerFault.exe	88
4532	1608	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 6 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

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	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
1508	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3296	WINWORD.EXE
3296	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe
2552	SSUNJNDPI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	SSUNJNDPI.exe
Token: SeDebugPrivilege	4560	SSUNJNDPI.exe
Token: SeDebugPrivilege	2552	SSUNJNDPI.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 1468	3296	WINWORD.EXE	86
PID 3296 wrote to memory of 1468	3296	WINWORD.EXE	86
PID 3296 wrote to memory of 1468	3296	WINWORD.EXE	86
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 5024	1468	SSUNJNDPI.exe	88
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 2932	1468	SSUNJNDPI.exe	89
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1468 wrote to memory of 1400	1468	SSUNJNDPI.exe	91
PID 1400 wrote to memory of 4560	1400	SSUNJNDPI.exe	96
PID 1400 wrote to memory of 4560	1400	SSUNJNDPI.exe	96
PID 1400 wrote to memory of 4560	1400	SSUNJNDPI.exe	96
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 1608	4560	SSUNJNDPI.exe	97
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 4788	4560	SSUNJNDPI.exe	98
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 4560 wrote to memory of 2552	4560	SSUNJNDPI.exe	100
PID 2552 wrote to memory of 1508	2552	SSUNJNDPI.exe	106
PID 2552 wrote to memory of 1508	2552	SSUNJNDPI.exe	106
PID 2552 wrote to memory of 1508	2552	SSUNJNDPI.exe	106

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:3296
- 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:1468
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    PID:5024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 80
      4⤵
      Program crash
      PID:628
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    PID:2932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 80
      4⤵
      Program crash
      PID:1856
- - 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:1400
  - - 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:4560
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        
        PID:1608
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 80
        6⤵
        Program crash
        
        PID:4532
    - - 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:4788
    - - 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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2552
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp119F.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5024 -ip 5024
1⤵
PID:1032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2932 -ip 2932
1⤵
PID:772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1608 -ip 1608
1⤵
PID:2544

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