xred | 5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 5 IoCs

pid	Process
4716	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
5108	Synaptics.exe
4948	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.tmp
1192	._cache_Synaptics.exe
1516	._cache_Synaptics.tmp

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"	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.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 6 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	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3688	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1516	._cache_Synaptics.tmp
4948	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4716	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	83
PID 3220 wrote to memory of 4716	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	83
PID 3220 wrote to memory of 4716	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	83
PID 3220 wrote to memory of 5108	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	84
PID 3220 wrote to memory of 5108	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	84
PID 3220 wrote to memory of 5108	3220	5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	84
PID 4716 wrote to memory of 4948	4716	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	85
PID 4716 wrote to memory of 4948	4716	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	85
PID 4716 wrote to memory of 4948	4716	._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe	85
PID 5108 wrote to memory of 1192	5108	Synaptics.exe	86
PID 5108 wrote to memory of 1192	5108	Synaptics.exe	86
PID 5108 wrote to memory of 1192	5108	Synaptics.exe	86
PID 1192 wrote to memory of 1516	1192	._cache_Synaptics.exe	88
PID 1192 wrote to memory of 1516	1192	._cache_Synaptics.exe	88
PID 1192 wrote to memory of 1516	1192	._cache_Synaptics.exe	88

C:\Users\Admin\AppData\Local\Temp\5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
"C:\Users\Admin\AppData\Local\Temp\5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Users\Admin\AppData\Local\Temp\is-7PK6N.tmp\._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-7PK6N.tmp\._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.tmp" /SL5="$B004E,858074,845312,C:\Users\Admin\AppData\Local\Temp\._cache_5524dee571eec0d6dff962e530a5fc9794647789348555e5a5a52b5c59aa3066N.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    PID:4948
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1192
  - - C:\Users\Admin\AppData\Local\Temp\is-K1S0D.tmp\._cache_Synaptics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-K1S0D.tmp\._cache_Synaptics.tmp" /SL5="$60252,858074,845312,C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      PID:1516

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:3688

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