xenorat | 4a58b228b23cdc286d103115b2fb312eedf6741aeada17b242620b6737db1035

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	MDEODF.exe

Executes dropped EXE 8 IoCs

pid	Process
1408	MDEODF.exe
4012	MDEODF.exe
5048	MDEODF.exe
4020	MDEODF.exe
4884	MDEODF.exe
2680	MDEODF.exe
2080	MDEODF.exe
460	MDEODF.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 4012	1408	MDEODF.exe	88
PID 1408 set thread context of 5048	1408	MDEODF.exe	89
PID 1408 set thread context of 4020	1408	MDEODF.exe	90
PID 4884 set thread context of 2680	4884	MDEODF.exe	92
PID 4884 set thread context of 2080	4884	MDEODF.exe	93
PID 4884 set thread context of 460	4884	MDEODF.exe	94

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 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	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MDEODF.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
4188	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1876	WINWORD.EXE
1876	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	MDEODF.exe
Token: SeDebugPrivilege	4884	MDEODF.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1876	WINWORD.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1408	1876	WINWORD.EXE	86
PID 1876 wrote to memory of 1408	1876	WINWORD.EXE	86
PID 1876 wrote to memory of 1408	1876	WINWORD.EXE	86
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 4012	1408	MDEODF.exe	88
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 5048	1408	MDEODF.exe	89
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 1408 wrote to memory of 4020	1408	MDEODF.exe	90
PID 4020 wrote to memory of 4884	4020	MDEODF.exe	91
PID 4020 wrote to memory of 4884	4020	MDEODF.exe	91
PID 4020 wrote to memory of 4884	4020	MDEODF.exe	91
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2680	4884	MDEODF.exe	92
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 2080	4884	MDEODF.exe	93
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 4884 wrote to memory of 460	4884	MDEODF.exe	94
PID 5048 wrote to memory of 4188	5048	MDEODF.exe	101
PID 5048 wrote to memory of 4188	5048	MDEODF.exe	101
PID 5048 wrote to memory of 4188	5048	MDEODF.exe	101

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\26973056c194b68b10d1c2b9a632a27e.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:1876
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4012
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5048
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7A5.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4188
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4020
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4884
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2680
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2080
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:460

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