xenorat | 548212f42d5dc4965db354d6ce075422dcb3331a213fb0b5b662e08e59234829

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	RUSYZH.exe

Executes dropped EXE 8 IoCs

pid	Process
2388	RUSYZH.exe
4120	RUSYZH.exe
1672	RUSYZH.exe
5100	RUSYZH.exe
1160	RUSYZH.exe
3068	RUSYZH.exe
4548	RUSYZH.exe
1808	RUSYZH.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 4120	2388	RUSYZH.exe	87
PID 2388 set thread context of 1672	2388	RUSYZH.exe	88
PID 2388 set thread context of 5100	2388	RUSYZH.exe	89
PID 1160 set thread context of 3068	1160	RUSYZH.exe	94
PID 1160 set thread context of 4548	1160	RUSYZH.exe	95
PID 1160 set thread context of 1808	1160	RUSYZH.exe	96

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	procid_target
1496	5100	WerFault.exe	89

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 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
3276	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1560	WINWORD.EXE
1560	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe
1672	RUSYZH.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	RUSYZH.exe
Token: SeDebugPrivilege	1160	RUSYZH.exe
Token: SeDebugPrivilege	1672	RUSYZH.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1560	WINWORD.EXE
1560	WINWORD.EXE
1560	WINWORD.EXE
1560	WINWORD.EXE
1560	WINWORD.EXE
1560	WINWORD.EXE
1560	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 2388	1560	WINWORD.EXE	85
PID 1560 wrote to memory of 2388	1560	WINWORD.EXE	85
PID 1560 wrote to memory of 2388	1560	WINWORD.EXE	85
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 4120	2388	RUSYZH.exe	87
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 1672	2388	RUSYZH.exe	88
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 2388 wrote to memory of 5100	2388	RUSYZH.exe	89
PID 4120 wrote to memory of 1160	4120	RUSYZH.exe	93
PID 4120 wrote to memory of 1160	4120	RUSYZH.exe	93
PID 4120 wrote to memory of 1160	4120	RUSYZH.exe	93
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 3068	1160	RUSYZH.exe	94
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 4548	1160	RUSYZH.exe	95
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1160 wrote to memory of 1808	1160	RUSYZH.exe	96
PID 1672 wrote to memory of 3276	1672	RUSYZH.exe	103
PID 1672 wrote to memory of 3276	1672	RUSYZH.exe	103
PID 1672 wrote to memory of 3276	1672	RUSYZH.exe	103

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\ec6627e48bb4c56abbb2a4563072e631.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:1560
- 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:2388
- - 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:4120
  - - 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:1160
    - - 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:3068
    - - 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:4548
    - - 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:1808
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1672
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC49.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3276
- - 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:5100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 80
      4⤵
      Program crash
      PID:1496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5100 -ip 5100
1⤵
PID:4508

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