xenorat | b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	DNKFU.exe

Executes dropped EXE 8 IoCs

pid	Process
2392	DNKFU.exe
2092	DNKFU.exe
4244	DNKFU.exe
4080	DNKFU.exe
1540	DNKFU.exe
1164	DNKFU.exe
4664	DNKFU.exe
1292	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 2092	2392	DNKFU.exe	88
PID 2392 set thread context of 4244	2392	DNKFU.exe	89
PID 2392 set thread context of 4080	2392	DNKFU.exe	90
PID 1540 set thread context of 1164	1540	DNKFU.exe	92
PID 1540 set thread context of 4664	1540	DNKFU.exe	93
PID 1540 set thread context of 1292	1540	DNKFU.exe	94

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
3600	4664	WerFault.exe	93

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	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNKFU.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
4312	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1848	WINWORD.EXE
1848	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe
2092	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	DNKFU.exe
Token: SeDebugPrivilege	1540	DNKFU.exe
Token: SeDebugPrivilege	2092	DNKFU.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1848	WINWORD.EXE
1848	WINWORD.EXE
1848	WINWORD.EXE
1848	WINWORD.EXE
1848	WINWORD.EXE
1848	WINWORD.EXE
1848	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2392	1848	WINWORD.EXE	86
PID 1848 wrote to memory of 2392	1848	WINWORD.EXE	86
PID 1848 wrote to memory of 2392	1848	WINWORD.EXE	86
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 2092	2392	DNKFU.exe	88
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4244	2392	DNKFU.exe	89
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 2392 wrote to memory of 4080	2392	DNKFU.exe	90
PID 4244 wrote to memory of 1540	4244	DNKFU.exe	91
PID 4244 wrote to memory of 1540	4244	DNKFU.exe	91
PID 4244 wrote to memory of 1540	4244	DNKFU.exe	91
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 1164	1540	DNKFU.exe	92
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 4664	1540	DNKFU.exe	93
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 1540 wrote to memory of 1292	1540	DNKFU.exe	94
PID 2092 wrote to memory of 4312	2092	DNKFU.exe	104
PID 2092 wrote to memory of 4312	2092	DNKFU.exe	104
PID 2092 wrote to memory of 4312	2092	DNKFU.exe	104

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\b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60.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:1848
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2092
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF08A.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4312
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4244
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1540
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1164
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        
        PID:4664
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 80
        6⤵
        Program crash
        
        PID:3600
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1292
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4664 -ip 4664
1⤵
PID:3112

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