xenorat | 8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	GFKMTE.exe

Executes dropped EXE 8 IoCs

pid	Process
2100	GFKMTE.exe
5056	GFKMTE.exe
4964	GFKMTE.exe
4456	GFKMTE.exe
3316	GFKMTE.exe
2576	GFKMTE.exe
4244	GFKMTE.exe
4444	GFKMTE.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 5056	2100	GFKMTE.exe	93
PID 2100 set thread context of 4964	2100	GFKMTE.exe	94
PID 2100 set thread context of 4456	2100	GFKMTE.exe	95
PID 3316 set thread context of 2576	3316	GFKMTE.exe	97
PID 3316 set thread context of 4244	3316	GFKMTE.exe	98
PID 3316 set thread context of 4444	3316	GFKMTE.exe	99

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

Checks processor information in registry 2 TTPs 6 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\ProcessorNameString	EXCEL.EXE
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.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
4508	schtasks.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1360	EXCEL.EXE
3640	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	GFKMTE.exe
Token: SeDebugPrivilege	3316	GFKMTE.exe

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE
3640	WINWORD.EXE

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1832	1360	EXCEL.EXE	87
PID 1360 wrote to memory of 1832	1360	EXCEL.EXE	87
PID 3640 wrote to memory of 2100	3640	WINWORD.EXE	90
PID 3640 wrote to memory of 2100	3640	WINWORD.EXE	90
PID 3640 wrote to memory of 2100	3640	WINWORD.EXE	90
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 5056	2100	GFKMTE.exe	93
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4964	2100	GFKMTE.exe	94
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 2100 wrote to memory of 4456	2100	GFKMTE.exe	95
PID 5056 wrote to memory of 3316	5056	GFKMTE.exe	96
PID 5056 wrote to memory of 3316	5056	GFKMTE.exe	96
PID 5056 wrote to memory of 3316	5056	GFKMTE.exe	96
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 2576	3316	GFKMTE.exe	97
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4244	3316	GFKMTE.exe	98
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 3316 wrote to memory of 4444	3316	GFKMTE.exe	99
PID 4964 wrote to memory of 4508	4964	GFKMTE.exe	107
PID 4964 wrote to memory of 4508	4964	GFKMTE.exe	107
PID 4964 wrote to memory of 4508	4964	GFKMTE.exe	107

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFLLTU.vbs"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  PID:1832

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:3640
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5056
  - - C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
      "C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3316
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2576
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4244
    - - C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        
        C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4444
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28EF.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4508
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4456

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