xenorat | 8ca0c3e456090f91336cc64872a94f208839179e5e9df6d5e8bb4ae0eb27e633

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
1936	DNKFU.exe
1944	DNKFU.exe
4076	DNKFU.exe
2660	DNKFU.exe
1416	DNKFU.exe
4672	DNKFU.exe
1332	DNKFU.exe
4156	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 1944	1936	DNKFU.exe	89
PID 1936 set thread context of 4076	1936	DNKFU.exe	90
PID 1936 set thread context of 2660	1936	DNKFU.exe	92
PID 1416 set thread context of 4672	1416	DNKFU.exe	98
PID 1416 set thread context of 1332	1416	DNKFU.exe	99
PID 1416 set thread context of 4156	1416	DNKFU.exe	100

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
4308	2660	WerFault.exe	92
3448	1944	WerFault.exe	89

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	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

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	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
412	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
3004	WINWORD.EXE
3004	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe
1332	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	DNKFU.exe
Token: SeDebugPrivilege	1416	DNKFU.exe
Token: SeDebugPrivilege	1332	DNKFU.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3004	WINWORD.EXE
3004	WINWORD.EXE
3004	WINWORD.EXE
3004	WINWORD.EXE
3004	WINWORD.EXE
3004	WINWORD.EXE
3004	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1936	3004	WINWORD.EXE	87
PID 3004 wrote to memory of 1936	3004	WINWORD.EXE	87
PID 3004 wrote to memory of 1936	3004	WINWORD.EXE	87
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 1944	1936	DNKFU.exe	89
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 4076	1936	DNKFU.exe	90
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 1936 wrote to memory of 2660	1936	DNKFU.exe	92
PID 4076 wrote to memory of 1416	4076	DNKFU.exe	97
PID 4076 wrote to memory of 1416	4076	DNKFU.exe	97
PID 4076 wrote to memory of 1416	4076	DNKFU.exe	97
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 4672	1416	DNKFU.exe	98
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 1332	1416	DNKFU.exe	99
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1416 wrote to memory of 4156	1416	DNKFU.exe	100
PID 1332 wrote to memory of 412	1332	DNKFU.exe	105
PID 1332 wrote to memory of 412	1332	DNKFU.exe	105
PID 1332 wrote to memory of 412	1332	DNKFU.exe	105

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bf6659af111dfa8daca20d98f53711b282cce11434fff5d245a0c277e6c806ef.vbs"
1⤵
- Blocklisted process makes network request
PID:1856

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:3004
- 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:1936
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    PID:1944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 80
      4⤵
      Program crash
      PID:3448
- - 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:4076
  - - 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:1416
    - - 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:4672
    - - 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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1332
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE196.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:412
    - - 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:4156
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
    3⤵
    - Executes dropped EXE
    PID:2660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 80
      4⤵
      Program crash
      PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2660 -ip 2660
1⤵
PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1944 -ip 1944
1⤵
PID:3224

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