xenorat | c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52

System Information Discovery

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

Executes dropped EXE 8 IoCs

pid	Process
4956	NBUTQYX.exe
3680	NBUTQYX.exe
3848	NBUTQYX.exe
2300	NBUTQYX.exe
852	NBUTQYX.exe
2592	NBUTQYX.exe
1460	NBUTQYX.exe
316	NBUTQYX.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 3680	4956	NBUTQYX.exe	89
PID 4956 set thread context of 3848	4956	NBUTQYX.exe	90
PID 4956 set thread context of 2300	4956	NBUTQYX.exe	91
PID 852 set thread context of 2592	852	NBUTQYX.exe	93
PID 852 set thread context of 1460	852	NBUTQYX.exe	94
PID 852 set thread context of 316	852	NBUTQYX.exe	95

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
4872	316	WerFault.exe

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBUTQYX.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
5096	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2752	WINWORD.EXE
2752	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	NBUTQYX.exe
Token: SeDebugPrivilege	852	NBUTQYX.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2752	WINWORD.EXE
2752	WINWORD.EXE
2752	WINWORD.EXE
2752	WINWORD.EXE
2752	WINWORD.EXE
2752	WINWORD.EXE
2752	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 4956	2752	WINWORD.EXE	87
PID 2752 wrote to memory of 4956	2752	WINWORD.EXE	87
PID 2752 wrote to memory of 4956	2752	WINWORD.EXE	87
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3680	4956	NBUTQYX.exe	89
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 3848	4956	NBUTQYX.exe	90
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 4956 wrote to memory of 2300	4956	NBUTQYX.exe	91
PID 3848 wrote to memory of 852	3848	NBUTQYX.exe	92
PID 3848 wrote to memory of 852	3848	NBUTQYX.exe	92
PID 3848 wrote to memory of 852	3848	NBUTQYX.exe	92
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 2592	852	NBUTQYX.exe	93
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 1460	852	NBUTQYX.exe	94
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 852 wrote to memory of 316	852	NBUTQYX.exe	95
PID 3680 wrote to memory of 5096	3680	NBUTQYX.exe	110
PID 3680 wrote to memory of 5096	3680	NBUTQYX.exe	110
PID 3680 wrote to memory of 5096	3680	NBUTQYX.exe	110

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\90f57a9578ce153c8520aee9b42d0407.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:2752
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3680
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8DE.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:5096
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3848
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:852
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2592
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1460
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\NBUTQYX.exe
        5⤵
        Executes dropped EXE
        
        PID:316
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 80
        6⤵
        Program crash
        
        PID:4872
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\NBUTQYX.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 316 -ip 316
1⤵
PID:2844

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