xenorat | 195928ce3054739020a7985c9ac1d652382da4df5dbfab8b46979a07989b16c7

System Information Discovery

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

Executes dropped EXE 8 IoCs

pid	Process
1436	DNKFU.exe
4696	DNKFU.exe
4524	DNKFU.exe
5044	DNKFU.exe
2696	DNKFU.exe
1716	DNKFU.exe
4568	DNKFU.exe
3624	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1436 set thread context of 4696	1436	DNKFU.exe	91
PID 1436 set thread context of 4524	1436	DNKFU.exe	92
PID 1436 set thread context of 5044	1436	DNKFU.exe	94
PID 2696 set thread context of 1716	2696	DNKFU.exe	99
PID 2696 set thread context of 4568	2696	DNKFU.exe	100
PID 2696 set thread context of 3624	2696	DNKFU.exe	102

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4448	4696	WerFault.exe	91
1992	1716	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 7 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	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

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
656	schtasks.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
868	WINWORD.EXE
868	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe
5044	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	DNKFU.exe
Token: SeDebugPrivilege	2696	DNKFU.exe
Token: SeDebugPrivilege	5044	DNKFU.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
868	WINWORD.EXE
868	WINWORD.EXE
868	WINWORD.EXE
868	WINWORD.EXE
868	WINWORD.EXE
868	WINWORD.EXE
868	WINWORD.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4696	DNKFU.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 1436	868	WINWORD.EXE	88
PID 868 wrote to memory of 1436	868	WINWORD.EXE	88
PID 868 wrote to memory of 1436	868	WINWORD.EXE	88
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4696	1436	DNKFU.exe	91
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 4524	1436	DNKFU.exe	92
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 1436 wrote to memory of 5044	1436	DNKFU.exe	94
PID 4524 wrote to memory of 2696	4524	DNKFU.exe	98
PID 4524 wrote to memory of 2696	4524	DNKFU.exe	98
PID 4524 wrote to memory of 2696	4524	DNKFU.exe	98
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 1716	2696	DNKFU.exe	99
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 4568	2696	DNKFU.exe	100
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 2696 wrote to memory of 3624	2696	DNKFU.exe	102
PID 5044 wrote to memory of 656	5044	DNKFU.exe	116
PID 5044 wrote to memory of 656	5044	DNKFU.exe	116
PID 5044 wrote to memory of 656	5044	DNKFU.exe	116

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\195928ce3054739020a7985c9ac1d652382da4df5dbfab8b46979a07989b16c7.vbs"
1⤵
- Blocklisted process makes network request
PID:4604

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868
- 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:1436
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of UnmapMainImage
    PID:4696
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 12
      4⤵
      Program crash
      PID:4448
- - 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:4524
  - - 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:2696
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        
        PID:1716
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 12
        6⤵
        Program crash
        
        PID:1992
    - - 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:4568
    - - 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:3624
- - 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:5044
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE04E.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4696 -ip 4696
1⤵
PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1716 -ip 1716
1⤵
PID:3216

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