xred | 83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826

System Information Discovery

Processes:

83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exeSynaptics.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exeSynaptics.exe._cache_Synaptics.exe

pid	Process
2212	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
1140	Synaptics.exe
4688	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.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 4 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

Processes:

._cache_Synaptics.exe83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exeSynaptics.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.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

Processes:

EXCEL.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

EXCEL.EXE

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 17 IoCs

Processes:

._cache_Synaptics.exe83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exeSynaptics.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\._cache_Synaptics.exe\",0"	._cache_Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell\open	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell\open\command	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.rfw	._cache_Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell\open\command	._cache_Synaptics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\._cache_Synaptics.exe\" \"%1\""	._cache_Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.rfw	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe\" \"%1\""	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.rfw\ = "CANtieCAR_Firmware"	._cache_Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\DefaultIcon	._cache_Synaptics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.rfw\ = "CANtieCAR_Firmware"	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\DefaultIcon	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CANtieCAR_Firmware\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe\",0"	._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
2584	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid	Process
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE
2584	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exeSynaptics.exe

description	pid	Process	procid_target
PID 3972 wrote to memory of 2212	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	84
PID 3972 wrote to memory of 2212	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	84
PID 3972 wrote to memory of 2212	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	84
PID 3972 wrote to memory of 1140	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	85
PID 3972 wrote to memory of 1140	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	85
PID 3972 wrote to memory of 1140	3972	83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe	85
PID 1140 wrote to memory of 4688	1140	Synaptics.exe	86
PID 1140 wrote to memory of 4688	1140	Synaptics.exe	86
PID 1140 wrote to memory of 4688	1140	Synaptics.exe	86

C:\Users\Admin\AppData\Local\Temp\83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
"C:\Users\Admin\AppData\Local\Temp\83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.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:3972
- C:\Users\Admin\AppData\Local\Temp\._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_83f8b1b56c3d04c1dc54f9b61a873d0c098de15a3539dbdd2e599ed759108826N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2212
- 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:1140
- - 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
    - Modifies registry class
    PID:4688

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:2584

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