xred | b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

pid	Process
3384	._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
2568	Synaptics.exe
2040	._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"	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.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	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe

Checks processor information in registry 2 TTPs 9 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
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\	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3192	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeRestorePrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4516	dw20.exe
Token: SeBackupPrivilege	4516	dw20.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 3384	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	83
PID 3240 wrote to memory of 3384	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	83
PID 3240 wrote to memory of 3384	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	83
PID 3240 wrote to memory of 2568	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	85
PID 3240 wrote to memory of 2568	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	85
PID 3240 wrote to memory of 2568	3240	b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	85
PID 3384 wrote to memory of 4560	3384	._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	86
PID 3384 wrote to memory of 4560	3384	._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	86
PID 3384 wrote to memory of 4560	3384	._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe	86
PID 2568 wrote to memory of 2040	2568	Synaptics.exe	88
PID 2568 wrote to memory of 2040	2568	Synaptics.exe	88
PID 2568 wrote to memory of 2040	2568	Synaptics.exe	88
PID 2040 wrote to memory of 4516	2040	._cache_Synaptics.exe	91
PID 2040 wrote to memory of 4516	2040	._cache_Synaptics.exe	91
PID 2040 wrote to memory of 4516	2040	._cache_Synaptics.exe	91

C:\Users\Admin\AppData\Local\Temp\b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
"C:\Users\Admin\AppData\Local\Temp\b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.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:3240
- C:\Users\Admin\AppData\Local\Temp\._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 876
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4560
- 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:2568
- - 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:2040
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 860
      4⤵
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      PID:4516

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:3192

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