xred | 8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 5 IoCs

pid	Process
1032	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
376	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.tmp
2344	Synaptics.exe
972	._cache_Synaptics.exe
4788	._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"	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.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_Synaptics.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.tmp
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\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
816	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 1032	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	84
PID 3800 wrote to memory of 1032	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	84
PID 3800 wrote to memory of 1032	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	84
PID 1032 wrote to memory of 376	1032	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	85
PID 1032 wrote to memory of 376	1032	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	85
PID 1032 wrote to memory of 376	1032	._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	85
PID 3800 wrote to memory of 2344	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	86
PID 3800 wrote to memory of 2344	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	86
PID 3800 wrote to memory of 2344	3800	8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe	86
PID 2344 wrote to memory of 972	2344	Synaptics.exe	87
PID 2344 wrote to memory of 972	2344	Synaptics.exe	87
PID 2344 wrote to memory of 972	2344	Synaptics.exe	87
PID 972 wrote to memory of 4788	972	._cache_Synaptics.exe	89
PID 972 wrote to memory of 4788	972	._cache_Synaptics.exe	89
PID 972 wrote to memory of 4788	972	._cache_Synaptics.exe	89

C:\Users\Admin\AppData\Local\Temp\8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
"C:\Users\Admin\AppData\Local\Temp\8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.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:3800
- C:\Users\Admin\AppData\Local\Temp\._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Users\Admin\AppData\Local\Temp\is-RC0Q9.tmp\._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-RC0Q9.tmp\._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.tmp" /SL5="$601C6,3788295,227328,C:\Users\Admin\AppData\Local\Temp\._cache_8aadfdd433f8ede5fd88bc465b4cf19d8b6083caadc5b0f41502bb6e2105883cN.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:376
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:972
  - - C:\Users\Admin\AppData\Local\Temp\is-P0882.tmp\._cache_Synaptics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P0882.tmp\._cache_Synaptics.tmp" /SL5="$F0064,3788295,227328,C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4788

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:816

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