xred | 81fffafeca14093a43077df42f4f2d13117a4618ab9174555d6834094637aaa1

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	dxwebsetup.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
2300	._cache_dxwebsetup.exe
4856	dxwsetup.exe
1656	Synaptics.exe
5032	._cache_Synaptics.exe

Loads dropped DLL 2 IoCs

pid	Process
4856	dxwsetup.exe
4856	dxwsetup.exe

Adds Run key to start application 2 TTPs 2 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"	dxwebsetup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	._cache_dxwebsetup.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup32.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\DirectX\WebSetup	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SETBC1C.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SETBC1C.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SETBC1D.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SETBC1D.tmp	dxwsetup.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Logs\DirectX.log	dxwsetup.exe
File opened for modification	C:\Windows\security\logs\scecomp.log	dxwsetup.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	dxwebsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_dxwebsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxwsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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 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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 2 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4580	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2300	4000	dxwebsetup.exe	85
PID 4000 wrote to memory of 2300	4000	dxwebsetup.exe	85
PID 4000 wrote to memory of 2300	4000	dxwebsetup.exe	85
PID 2300 wrote to memory of 4856	2300	._cache_dxwebsetup.exe	87
PID 2300 wrote to memory of 4856	2300	._cache_dxwebsetup.exe	87
PID 2300 wrote to memory of 4856	2300	._cache_dxwebsetup.exe	87
PID 4000 wrote to memory of 1656	4000	dxwebsetup.exe	88
PID 4000 wrote to memory of 1656	4000	dxwebsetup.exe	88
PID 4000 wrote to memory of 1656	4000	dxwebsetup.exe	88
PID 1656 wrote to memory of 5032	1656	Synaptics.exe	90
PID 1656 wrote to memory of 5032	1656	Synaptics.exe	90
PID 1656 wrote to memory of 5032	1656	Synaptics.exe	90

C:\Users\Admin\AppData\Local\Temp\dxwebsetup.exe
"C:\Users\Admin\AppData\Local\Temp\dxwebsetup.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:4000
- C:\Users\Admin\AppData\Local\Temp\._cache_dxwebsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_dxwebsetup.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:4856
- 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:1656
- - 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:5032

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:4580

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