xred | 10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 5 IoCs

pid	Process
4348	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
2680	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp
2184	Synaptics.exe
4636	._cache_Synaptics.exe
4580	._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"	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\CyberLink\AudioDirector15\is-4R2T0.tmp	._cache_Synaptics.tmp
File created	C:\Program Files\CyberLink\AudioDirector15\is-2N0FL.tmp	._cache_Synaptics.tmp
File created	C:\Program Files\CyberLink\AudioDirector15\is-TRU2M.tmp	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp
File created	C:\Program Files\CyberLink\AudioDirector15\is-JUCQ5.tmp	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp

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	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.tmp

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\	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3932	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4580	._cache_Synaptics.tmp
4580	._cache_Synaptics.tmp
2680	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp
2680	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4580	._cache_Synaptics.tmp
2680	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4348	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	82
PID 4572 wrote to memory of 4348	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	82
PID 4572 wrote to memory of 4348	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	82
PID 4348 wrote to memory of 2680	4348	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	83
PID 4348 wrote to memory of 2680	4348	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	83
PID 4348 wrote to memory of 2680	4348	._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	83
PID 4572 wrote to memory of 2184	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	84
PID 4572 wrote to memory of 2184	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	84
PID 4572 wrote to memory of 2184	4572	10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe	84
PID 2184 wrote to memory of 4636	2184	Synaptics.exe	85
PID 2184 wrote to memory of 4636	2184	Synaptics.exe	85
PID 2184 wrote to memory of 4636	2184	Synaptics.exe	85
PID 4636 wrote to memory of 4580	4636	._cache_Synaptics.exe	87
PID 4636 wrote to memory of 4580	4636	._cache_Synaptics.exe	87
PID 4636 wrote to memory of 4580	4636	._cache_Synaptics.exe	87

C:\Users\Admin\AppData\Local\Temp\10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
"C:\Users\Admin\AppData\Local\Temp\10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.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:4572
- C:\Users\Admin\AppData\Local\Temp\._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Users\Admin\AppData\Local\Temp\is-6QEQM.tmp\._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-6QEQM.tmp\._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.tmp" /SL5="$8020A,119392,114176,C:\Users\Admin\AppData\Local\Temp\._cache_10f238048d9a4b16e13e973af14b7e8b19b4ed1a2e34d30682d1402602da844c.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    PID:2680
- 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:2184
- - 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:4636
  - - C:\Users\Admin\AppData\Local\Temp\is-19SPG.tmp\._cache_Synaptics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-19SPG.tmp\._cache_Synaptics.tmp" /SL5="$70060,119392,114176,C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      PID:4580

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:3932

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