xred | 845b6f57d33b26dd409ae897707e4a5141991df780983593965983d95c06c67d

System Information Discovery

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

Executes dropped EXE 4 IoCs

pid	Process
2428	._cache_ccmsetup.exe
1928	Synaptics.exe
3892	._cache_Synaptics.exe
2144	._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"	ccmsetup.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\ccmsetup\._cache_Synaptics.exe	._cache_Synaptics.exe
File opened for modification	C:\Windows\ccmsetup\Logs\ccmsetup.log	._cache_Synaptics.exe
File created	C:\Windows\ccmsetup\Logs\ccmsetup.log	._cache_ccmsetup.exe
File opened for modification	C:\Windows\ccmsetup\Logs\ccmsetup.log	._cache_ccmsetup.exe
File opened for modification	C:\Windows\ccmsetup\Logs\ccmsetup.log	._cache_Synaptics.exe
File opened for modification	C:\Windows\ccmsetup\._cache_Synaptics.exe.download	._cache_Synaptics.exe
File created	C:\Windows\ccmsetup\._cache_Synaptics.exe.download	._cache_Synaptics.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 5 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	ccmsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_ccmsetup.exe
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.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 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	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\	ccmsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2204	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 2428	3492	ccmsetup.exe	83
PID 3492 wrote to memory of 2428	3492	ccmsetup.exe	83
PID 3492 wrote to memory of 2428	3492	ccmsetup.exe	83
PID 3492 wrote to memory of 1928	3492	ccmsetup.exe	84
PID 3492 wrote to memory of 1928	3492	ccmsetup.exe	84
PID 3492 wrote to memory of 1928	3492	ccmsetup.exe	84
PID 1928 wrote to memory of 3892	1928	Synaptics.exe	87
PID 1928 wrote to memory of 3892	1928	Synaptics.exe	87
PID 1928 wrote to memory of 3892	1928	Synaptics.exe	87

C:\Users\Admin\AppData\Local\Temp\ccmsetup.exe
"C:\Users\Admin\AppData\Local\Temp\ccmsetup.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:3492
- C:\Users\Admin\AppData\Local\Temp\._cache_ccmsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_ccmsetup.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2428
- 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:1928
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:3892

C:\Windows\ccmsetup\._cache_Synaptics.exe
"C:\Windows\ccmsetup\._cache_Synaptics.exe" /runservice INJUPDATE="InjUpdate"
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2144

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:2204

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