xenorat | 548212f42d5dc4965db354d6ce075422dcb3331a213fb0b5b662e08e59234829

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	RUSYZH.exe

Executes dropped EXE 8 IoCs

pid	Process
2680	RUSYZH.exe
4212	RUSYZH.exe
3880	RUSYZH.exe
1912	RUSYZH.exe
2204	RUSYZH.exe
1832	RUSYZH.exe
2168	RUSYZH.exe
2104	RUSYZH.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 4212	2680	RUSYZH.exe	89
PID 2680 set thread context of 3880	2680	RUSYZH.exe	90
PID 2680 set thread context of 1912	2680	RUSYZH.exe	91
PID 2204 set thread context of 1832	2204	RUSYZH.exe	96
PID 2204 set thread context of 2168	2204	RUSYZH.exe	97
PID 2204 set thread context of 2104	2204	RUSYZH.exe	98

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
956	1912	WerFault.exe

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	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUSYZH.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
2096	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2036	WINWORD.EXE
2036	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	RUSYZH.exe
Token: SeDebugPrivilege	2204	RUSYZH.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2036	WINWORD.EXE
2036	WINWORD.EXE
2036	WINWORD.EXE
2036	WINWORD.EXE
2036	WINWORD.EXE
2036	WINWORD.EXE
2036	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2680	2036	WINWORD.EXE	87
PID 2036 wrote to memory of 2680	2036	WINWORD.EXE	87
PID 2036 wrote to memory of 2680	2036	WINWORD.EXE	87
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 4212	2680	RUSYZH.exe	89
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 3880	2680	RUSYZH.exe	90
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 2680 wrote to memory of 1912	2680	RUSYZH.exe	91
PID 3880 wrote to memory of 2204	3880	RUSYZH.exe	95
PID 3880 wrote to memory of 2204	3880	RUSYZH.exe	95
PID 3880 wrote to memory of 2204	3880	RUSYZH.exe	95
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 1832	2204	RUSYZH.exe	96
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2168	2204	RUSYZH.exe	97
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 2204 wrote to memory of 2104	2204	RUSYZH.exe	98
PID 4212 wrote to memory of 2096	4212	RUSYZH.exe	110
PID 4212 wrote to memory of 2096	4212	RUSYZH.exe	110
PID 4212 wrote to memory of 2096	4212	RUSYZH.exe	110

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\548212f42d5dc4965db354d6ce075422dcb3331a213fb0b5b662e08e59234829.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:2036
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4212
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEADD.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2096
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3880
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2204
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1832
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2168
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\RUSYZH.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2104
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RUSYZH.exe
    3⤵
    - Executes dropped EXE
    PID:1912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 80
      4⤵
      Program crash
      PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1912 -ip 1912
1⤵
PID:3636

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