xred | a3ffc389764e9755c427197f1b90872e3763810cdef05c969359d32cba8688dd

System Information Discovery

Processes:

SECURE BYTE GUI.exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	SECURE BYTE GUI.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_SECURE BYTE GUI.exeSynaptics.exe._cache_Synaptics.exe

pid process

5056 ._cache_SECURE BYTE GUI.exe
1552 Synaptics.exe
3996 ._cache_Synaptics.exe

pid	process
5056	._cache_SECURE BYTE GUI.exe
1552	Synaptics.exe
3996	._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:

SECURE BYTE GUI.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	SECURE BYTE GUI.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4352 5056 WerFault.exe ._cache_SECURE BYTE GUI.exe
4624 3996 WerFault.exe ._cache_Synaptics.exe

pid	pid_target	process	target process
4352	5056	WerFault.exe	._cache_SECURE BYTE GUI.exe
4624	3996	WerFault.exe	._cache_Synaptics.exe

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.exeSECURE BYTE GUI.exe._cache_SECURE BYTE GUI.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	SECURE BYTE GUI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_SECURE BYTE GUI.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 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

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 2 IoCs

Processes:

SECURE BYTE GUI.exeSynaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	SECURE BYTE GUI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3712 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3712 EXCEL.EXE
3712 EXCEL.EXE
3712 EXCEL.EXE
3712 EXCEL.EXE
3712 EXCEL.EXE
3712 EXCEL.EXE

pid	process
3712	EXCEL.EXE

pid	process
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

SECURE BYTE GUI.exeSynaptics.exe

description	pid	process	target process
PID 868 wrote to memory of 5056	868	SECURE BYTE GUI.exe	._cache_SECURE BYTE GUI.exe
PID 868 wrote to memory of 5056	868	SECURE BYTE GUI.exe	._cache_SECURE BYTE GUI.exe
PID 868 wrote to memory of 5056	868	SECURE BYTE GUI.exe	._cache_SECURE BYTE GUI.exe
PID 868 wrote to memory of 1552	868	SECURE BYTE GUI.exe	Synaptics.exe
PID 868 wrote to memory of 1552	868	SECURE BYTE GUI.exe	Synaptics.exe
PID 868 wrote to memory of 1552	868	SECURE BYTE GUI.exe	Synaptics.exe
PID 1552 wrote to memory of 3996	1552	Synaptics.exe	._cache_Synaptics.exe
PID 1552 wrote to memory of 3996	1552	Synaptics.exe	._cache_Synaptics.exe
PID 1552 wrote to memory of 3996	1552	Synaptics.exe	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\SECURE BYTE GUI.exe
"C:\Users\Admin\AppData\Local\Temp\SECURE BYTE GUI.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:868
- C:\Users\Admin\AppData\Local\Temp\._cache_SECURE BYTE GUI.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_SECURE BYTE GUI.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 1056
    3⤵
    - Program crash
    PID:4352
- 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:1552
- - 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
    PID:3996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 1048
      4⤵
      Program crash
      PID:4624

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:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5056 -ip 5056
1⤵
PID:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3996 -ip 3996
1⤵
PID:508

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