xenorat | b06ab5ddc1b853a2b86b2aca6a79dffd8dd0c4c3a2407bc6e568e68f038ee9aa

System Information Discovery

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

Executes dropped EXE 8 IoCs

pid	Process
2308	SSUNJNDPI.exe
3948	SSUNJNDPI.exe
4876	SSUNJNDPI.exe
4640	SSUNJNDPI.exe
388	SSUNJNDPI.exe
4316	SSUNJNDPI.exe
3916	SSUNJNDPI.exe
4780	SSUNJNDPI.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 3948	2308	SSUNJNDPI.exe	89
PID 2308 set thread context of 4876	2308	SSUNJNDPI.exe	90
PID 2308 set thread context of 4640	2308	SSUNJNDPI.exe	91
PID 388 set thread context of 4316	388	SSUNJNDPI.exe	98
PID 388 set thread context of 3916	388	SSUNJNDPI.exe	99
PID 388 set thread context of 4780	388	SSUNJNDPI.exe	100

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1896	4640	WerFault.exe	91
1656	4876	WerFault.exe	90
3288	4316	WerFault.exe	98
4896	3916	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SSUNJNDPI.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
4168	schtasks.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4460	WINWORD.EXE
4460	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	SSUNJNDPI.exe
Token: SeDebugPrivilege	388	SSUNJNDPI.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4460	WINWORD.EXE
4460	WINWORD.EXE
4460	WINWORD.EXE
4460	WINWORD.EXE
4460	WINWORD.EXE
4460	WINWORD.EXE
4460	WINWORD.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 2308	4460	WINWORD.EXE	87
PID 4460 wrote to memory of 2308	4460	WINWORD.EXE	87
PID 4460 wrote to memory of 2308	4460	WINWORD.EXE	87
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 3948	2308	SSUNJNDPI.exe	89
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4876	2308	SSUNJNDPI.exe	90
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 2308 wrote to memory of 4640	2308	SSUNJNDPI.exe	91
PID 3948 wrote to memory of 388	3948	SSUNJNDPI.exe	97
PID 3948 wrote to memory of 388	3948	SSUNJNDPI.exe	97
PID 3948 wrote to memory of 388	3948	SSUNJNDPI.exe	97
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 4316	388	SSUNJNDPI.exe	98
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 3916	388	SSUNJNDPI.exe	99
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 388 wrote to memory of 4780	388	SSUNJNDPI.exe	100
PID 4780 wrote to memory of 4168	4780	SSUNJNDPI.exe	111
PID 4780 wrote to memory of 4168	4780	SSUNJNDPI.exe	111
PID 4780 wrote to memory of 4168	4780	SSUNJNDPI.exe	111

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Outstanding_Payment.vbs"
1⤵
- Blocklisted process makes network request
PID:908

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:4460
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3948
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:388
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        
        PID:4316
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 80
        6⤵
        Program crash
        
        PID:3288
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        
        PID:3916
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 80
        6⤵
        Program crash
        
        PID:4896
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4780
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD419.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:4168
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    PID:4876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 80
      4⤵
      Program crash
      PID:1656
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
    3⤵
    - Executes dropped EXE
    PID:4640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 80
      4⤵
      Program crash
      PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4640 -ip 4640
1⤵
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4876 -ip 4876
1⤵
PID:4508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4316 -ip 4316
1⤵
PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3916 -ip 3916
1⤵
PID:668

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