xred | 027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 5 IoCs

pid	Process
1728	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
3716	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
3100	Synaptics.exe
5112	._cache_Synaptics.exe
1772	._cache_Synaptics.exe

Loads dropped DLL 2 IoCs

pid	Process
3716	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
1772	._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"	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4908	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1728	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	84
PID 3016 wrote to memory of 1728	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	84
PID 3016 wrote to memory of 1728	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	84
PID 1728 wrote to memory of 3716	1728	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	85
PID 1728 wrote to memory of 3716	1728	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	85
PID 1728 wrote to memory of 3716	1728	._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	85
PID 3016 wrote to memory of 3100	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	86
PID 3016 wrote to memory of 3100	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	86
PID 3016 wrote to memory of 3100	3016	027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe	86
PID 3100 wrote to memory of 5112	3100	Synaptics.exe	87
PID 3100 wrote to memory of 5112	3100	Synaptics.exe	87
PID 3100 wrote to memory of 5112	3100	Synaptics.exe	87
PID 5112 wrote to memory of 1772	5112	._cache_Synaptics.exe	88
PID 5112 wrote to memory of 1772	5112	._cache_Synaptics.exe	88
PID 5112 wrote to memory of 1772	5112	._cache_Synaptics.exe	88

C:\Users\Admin\AppData\Local\Temp\027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
"C:\Users\Admin\AppData\Local\Temp\027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.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:3016
- C:\Users\Admin\AppData\Local\Temp\._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\Temp\{6C7F1ECB-9E81-4E84-ACEE-A324DF929822}\.cr\._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe
    "C:\Windows\Temp\{6C7F1ECB-9E81-4E84-ACEE-A324DF929822}\.cr\._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\._cache_027a4baf9864a23fe09d99be3a6f83d1841e47aac2f94d313d2580e84d1b1b39.exe" -burn.filehandle.attached=540 -burn.filehandle.self=548
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3716
- 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:3100
- - 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:5112
  - - C:\Windows\Temp\{E272B6E4-B022-4609-BDC9-3EC4D212E4C0}\.cr\._cache_Synaptics.exe
      "C:\Windows\Temp\{E272B6E4-B022-4609-BDC9-3EC4D212E4C0}\.cr\._cache_Synaptics.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" -burn.filehandle.attached=656 -burn.filehandle.self=648 InjUpdate
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1772

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:4908

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

4

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery