xenorat | 7ab4cff638814f6af02b404eb9be4546122f56f93b071c44728d79f71e074277

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	DNKFU.exe

Executes dropped EXE 8 IoCs

pid	Process
3624	DNKFU.exe
1860	DNKFU.exe
4492	DNKFU.exe
3144	DNKFU.exe
4996	DNKFU.exe
2812	DNKFU.exe
1368	DNKFU.exe
2120	DNKFU.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 3624 set thread context of 1860	3624	DNKFU.exe	92
PID 3624 set thread context of 4492	3624	DNKFU.exe	93
PID 3624 set thread context of 3144	3624	DNKFU.exe	94
PID 4996 set thread context of 2812	4996	DNKFU.exe	100
PID 4996 set thread context of 1368	4996	DNKFU.exe	101
PID 4996 set thread context of 2120	4996	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
4792	4492	WerFault.exe	93
3352	2812	WerFault.exe	100

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 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
620	schtasks.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2400	WINWORD.EXE
2400	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe
3144	DNKFU.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	DNKFU.exe
Token: SeDebugPrivilege	4996	DNKFU.exe
Token: SeDebugPrivilege	3144	DNKFU.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3624	2400	WINWORD.EXE	90
PID 2400 wrote to memory of 3624	2400	WINWORD.EXE	90
PID 2400 wrote to memory of 3624	2400	WINWORD.EXE	90
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 1860	3624	DNKFU.exe	92
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 4492	3624	DNKFU.exe	93
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 3624 wrote to memory of 3144	3624	DNKFU.exe	94
PID 1860 wrote to memory of 4996	1860	DNKFU.exe	99
PID 1860 wrote to memory of 4996	1860	DNKFU.exe	99
PID 1860 wrote to memory of 4996	1860	DNKFU.exe	99
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 2812	4996	DNKFU.exe	100
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 1368	4996	DNKFU.exe	101
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 4996 wrote to memory of 2120	4996	DNKFU.exe	102
PID 3144 wrote to memory of 620	3144	DNKFU.exe	107
PID 3144 wrote to memory of 620	3144	DNKFU.exe	107
PID 3144 wrote to memory of 620	3144	DNKFU.exe	107

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7ab4cff638814f6af02b404eb9be4546122f56f93b071c44728d79f71e074277.vbs"
1⤵
- Blocklisted process makes network request
PID:1156

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:2400
- 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:3624
- - 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:1860
  - - 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:4996
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
        5⤵
        Executes dropped EXE
        
        PID:2812
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 152
        6⤵
        Program crash
        
        PID:3352
    - - 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:1368
    - - 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:2120
- - 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:4492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 80
      4⤵
      Program crash
      PID:4792
- - 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:3144
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp146D.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4492 -ip 4492
1⤵
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2812 -ip 2812
1⤵
PID:2240

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