xenorat | 3106e90067456404a9f3e768ce3b60de6ae91fa2be664255ad6fe86c3f87e67d

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	KKSTV.exe

Executes dropped EXE 8 IoCs

pid	Process
412	KKSTV.exe
1968	KKSTV.exe
2472	KKSTV.exe
4588	KKSTV.exe
3428	KKSTV.exe
2176	KKSTV.exe
4284	KKSTV.exe
1564	KKSTV.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 412 set thread context of 1968	412	KKSTV.exe	89
PID 412 set thread context of 2472	412	KKSTV.exe	90
PID 412 set thread context of 4588	412	KKSTV.exe	92
PID 3428 set thread context of 2176	3428	KKSTV.exe	96
PID 3428 set thread context of 4284	3428	KKSTV.exe	97
PID 3428 set thread context of 1564	3428	KKSTV.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
4296	1968	WerFault.exe	89

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	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KKSTV.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
5036	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4828	WINWORD.EXE
4828	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe
4588	KKSTV.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	412	KKSTV.exe
Token: SeDebugPrivilege	3428	KKSTV.exe
Token: SeDebugPrivilege	4588	KKSTV.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4828	WINWORD.EXE
4828	WINWORD.EXE
4828	WINWORD.EXE
4828	WINWORD.EXE
4828	WINWORD.EXE
4828	WINWORD.EXE
4828	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 412	4828	WINWORD.EXE	87
PID 4828 wrote to memory of 412	4828	WINWORD.EXE	87
PID 4828 wrote to memory of 412	4828	WINWORD.EXE	87
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 1968	412	KKSTV.exe	89
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 2472	412	KKSTV.exe	90
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 412 wrote to memory of 4588	412	KKSTV.exe	92
PID 2472 wrote to memory of 3428	2472	KKSTV.exe	95
PID 2472 wrote to memory of 3428	2472	KKSTV.exe	95
PID 2472 wrote to memory of 3428	2472	KKSTV.exe	95
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 2176	3428	KKSTV.exe	96
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 4284	3428	KKSTV.exe	97
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 3428 wrote to memory of 1564	3428	KKSTV.exe	98
PID 4588 wrote to memory of 5036	4588	KKSTV.exe	106
PID 4588 wrote to memory of 5036	4588	KKSTV.exe	106
PID 4588 wrote to memory of 5036	4588	KKSTV.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\13326ed69d36aaa385c5eba9fa6e5cc2.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:4828
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:412
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Executes dropped EXE
    PID:1968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 12
      4⤵
      Program crash
      PID:4296
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2472
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3428
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2176
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4284
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1564
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5BA.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1968 -ip 1968
1⤵
PID:4844

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