xred | a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	g2d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
4200	g2d.exe
3844	._cache_g2d.exe
1396	Synaptics.exe
4904	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	g2d.exe

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 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	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_g2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	g2d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4184	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
4184	EXCEL.EXE
4184	EXCEL.EXE
4184	EXCEL.EXE
4184	EXCEL.EXE
4184	EXCEL.EXE
4184	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 4200	1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe	92
PID 1440 wrote to memory of 4200	1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe	92
PID 1440 wrote to memory of 4200	1440	a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe	92
PID 4200 wrote to memory of 3844	4200	g2d.exe	94
PID 4200 wrote to memory of 3844	4200	g2d.exe	94
PID 4200 wrote to memory of 3844	4200	g2d.exe	94
PID 4200 wrote to memory of 1396	4200	g2d.exe	95
PID 4200 wrote to memory of 1396	4200	g2d.exe	95
PID 4200 wrote to memory of 1396	4200	g2d.exe	95
PID 1396 wrote to memory of 4904	1396	Synaptics.exe	96
PID 1396 wrote to memory of 4904	1396	Synaptics.exe	96
PID 1396 wrote to memory of 4904	1396	Synaptics.exe	96

C:\Users\Admin\AppData\Local\Temp\a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe
"C:\Users\Admin\AppData\Local\Temp\a448ed15d6850b615a4371a7c3e9c0f1dcf070da1e9be2a36b8e1a1fb01d7997.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Users\Admin\AppData\Local\Temp\g2d.exe
  "C:\Users\Admin\AppData\Local\Temp\g2d.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4200
- - C:\Users\Admin\AppData\Local\Temp\._cache_g2d.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_g2d.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3844
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1396
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4904

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery