xred | d51776621cd1ac69169b594b2bc892ca4d9c6040bb6aadd62207285e51cc79b9

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	fix_device.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 10 IoCs

pid	Process
2524	svchost.exe
876	fix_device.exe
784	svchost.exe
3308	._cache_fix_device.exe
3728	svchost.exe
4816	._cache_fix_device.exe
2948	Synaptics.exe
3792	._cache_Synaptics.exe
4596	svchost.exe
2464	._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"	fix_device.exe

AutoIT Executable 12 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2280-3-0x0000000000400000-0x00000000004FF000-memory.dmp	autoit_exe
behavioral2/files/0x000a000000023b98-8.dat	autoit_exe
behavioral2/files/0x000a000000023b97-14.dat	autoit_exe
behavioral2/files/0x000a000000023b97-31.dat	autoit_exe
behavioral2/memory/4816-32-0x0000000000110000-0x00000000001EE000-memory.dmp	autoit_exe
behavioral2/memory/876-92-0x0000000000400000-0x00000000005A3000-memory.dmp	autoit_exe
behavioral2/files/0x000b000000023b9b-97.dat	autoit_exe
behavioral2/memory/2464-160-0x0000000000D90000-0x0000000000E6E000-memory.dmp	autoit_exe
behavioral2/memory/2464-217-0x0000000000D90000-0x0000000000E6E000-memory.dmp	autoit_exe
behavioral2/memory/4816-219-0x0000000000110000-0x00000000001EE000-memory.dmp	autoit_exe
behavioral2/memory/2948-220-0x0000000000400000-0x00000000005A3000-memory.dmp	autoit_exe
behavioral2/memory/4816-221-0x0000000000110000-0x00000000001EE000-memory.dmp	autoit_exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	._cache_Synaptics.exe
File created	C:\Windows\svchost.exe	fix_device.exe
File created	C:\Windows\svchost.exe	._cache_fix_device.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 10 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fix_device.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_fix_device.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_fix_device.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fix_device.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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\	fix_device.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3408	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE
3408	EXCEL.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2524	2280	fix_device.exe	82
PID 2280 wrote to memory of 2524	2280	fix_device.exe	82
PID 2280 wrote to memory of 2524	2280	fix_device.exe	82
PID 2524 wrote to memory of 876	2524	svchost.exe	83
PID 2524 wrote to memory of 876	2524	svchost.exe	83
PID 2524 wrote to memory of 876	2524	svchost.exe	83
PID 876 wrote to memory of 3308	876	fix_device.exe	85
PID 876 wrote to memory of 3308	876	fix_device.exe	85
PID 876 wrote to memory of 3308	876	fix_device.exe	85
PID 3308 wrote to memory of 3728	3308	._cache_fix_device.exe	86
PID 3308 wrote to memory of 3728	3308	._cache_fix_device.exe	86
PID 3308 wrote to memory of 3728	3308	._cache_fix_device.exe	86
PID 3728 wrote to memory of 4816	3728	svchost.exe	87
PID 3728 wrote to memory of 4816	3728	svchost.exe	87
PID 3728 wrote to memory of 4816	3728	svchost.exe	87
PID 876 wrote to memory of 2948	876	fix_device.exe	88
PID 876 wrote to memory of 2948	876	fix_device.exe	88
PID 876 wrote to memory of 2948	876	fix_device.exe	88
PID 2948 wrote to memory of 3792	2948	Synaptics.exe	89
PID 2948 wrote to memory of 3792	2948	Synaptics.exe	89
PID 2948 wrote to memory of 3792	2948	Synaptics.exe	89
PID 3792 wrote to memory of 4596	3792	._cache_Synaptics.exe	90
PID 3792 wrote to memory of 4596	3792	._cache_Synaptics.exe	90
PID 3792 wrote to memory of 4596	3792	._cache_Synaptics.exe	90
PID 4596 wrote to memory of 2464	4596	svchost.exe	92
PID 4596 wrote to memory of 2464	4596	svchost.exe	92
PID 4596 wrote to memory of 2464	4596	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\fix_device.exe
"C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\fix_device.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\svchost.exe
  "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\fix_device.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\fix_device.exe
    "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\fix_device.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:876
  - - C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_fix_device.exe
      "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_fix_device.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3308
    - - C:\Windows\svchost.exe
        
        "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_fix_device.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3728
      - C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_fix_device.exe
        
        "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_fix_device.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4816
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:2948
    - - C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_Synaptics.exe" InjUpdate
        5⤵
        Executes dropped EXE
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3792
      - C:\Windows\svchost.exe
        
        "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_Synaptics.exe" InjUpdate
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4596
        
        C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\fix_device_gameloop\._cache_Synaptics.exe" InjUpdate
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2464

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:784

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:3408

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