xred | 0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268

System Information Discovery

Processes:

0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 5 IoCs

Processes:

._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exeSynaptics.exeUn_A.exe._cache_Synaptics.exeUn_B.exe

pid	process
4420	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
2500	Synaptics.exe
1936	Un_A.exe
1236	._cache_Synaptics.exe
856	Un_B.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.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

Processes:

Un_B.exe0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exeSynaptics.exeUn_A.exe._cache_Synaptics.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_B.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe

NSIS installer 3 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	nsis_installer_2
C:\ProgramData\Synaptics\Synaptics.exe	nsis_installer_2

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:

0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exeSynaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.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

4720 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE
4720 EXCEL.EXE

pid	process
4720	EXCEL.EXE

pid	process
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exeSynaptics.exe._cache_Synaptics.exe

description	pid	process	target process
PID 1832 wrote to memory of 4420	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
PID 1832 wrote to memory of 4420	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
PID 1832 wrote to memory of 4420	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
PID 1832 wrote to memory of 2500	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Synaptics.exe
PID 1832 wrote to memory of 2500	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Synaptics.exe
PID 1832 wrote to memory of 2500	1832	0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Synaptics.exe
PID 4420 wrote to memory of 1936	4420	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Un_A.exe
PID 4420 wrote to memory of 1936	4420	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Un_A.exe
PID 4420 wrote to memory of 1936	4420	._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe	Un_A.exe
PID 2500 wrote to memory of 1236	2500	Synaptics.exe	._cache_Synaptics.exe
PID 2500 wrote to memory of 1236	2500	Synaptics.exe	._cache_Synaptics.exe
PID 2500 wrote to memory of 1236	2500	Synaptics.exe	._cache_Synaptics.exe
PID 1236 wrote to memory of 856	1236	._cache_Synaptics.exe	Un_B.exe
PID 1236 wrote to memory of 856	1236	._cache_Synaptics.exe	Un_B.exe
PID 1236 wrote to memory of 856	1236	._cache_Synaptics.exe	Un_B.exe

C:\Users\Admin\AppData\Local\Temp\0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
"C:\Users\Admin\AppData\Local\Temp\0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.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:1832
- C:\Users\Admin\AppData\Local\Temp\._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_0e3d51015070410385e1a7929996963c7c11866b23882b552f40bc7ca82ae268.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1936
- 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:2500
- - 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:1236
  - - C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_B.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_B.exe" InjUpdate _?=C:\Users\Admin\AppData\Local\Temp\
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:856

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:4720

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