xred | 6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82

System Information Discovery

Processes:

6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exeSynaptics.exe._cache_Synaptics.exe

pid process

2484 ._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
1832 Synaptics.exe
428 ._cache_Synaptics.exe
Loads dropped DLL 2 IoCs

Processes:

._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe._cache_Synaptics.exe

pid process

2484 ._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
428 ._cache_Synaptics.exe

pid	process
2484	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
1832	Synaptics.exe
428	._cache_Synaptics.exe

pid	process
2484	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
428	._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:

6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	upx
behavioral2/memory/2484-60-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/428-177-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/2484-194-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/2484-200-0x0000000000400000-0x0000000000434000-memory.dmp	upx

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 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.exe6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.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	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.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 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

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:

Synaptics.exe6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3284 EXCEL.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

3284 EXCEL.EXE
3284 EXCEL.EXE
3284 EXCEL.EXE
3284 EXCEL.EXE

pid	process
3284	EXCEL.EXE

pid	process
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exeSynaptics.exe

description	pid	process	target process
PID 4784 wrote to memory of 2484	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
PID 4784 wrote to memory of 2484	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
PID 4784 wrote to memory of 2484	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
PID 4784 wrote to memory of 1832	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	Synaptics.exe
PID 4784 wrote to memory of 1832	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	Synaptics.exe
PID 4784 wrote to memory of 1832	4784	6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe	Synaptics.exe
PID 1832 wrote to memory of 428	1832	Synaptics.exe	._cache_Synaptics.exe
PID 1832 wrote to memory of 428	1832	Synaptics.exe	._cache_Synaptics.exe
PID 1832 wrote to memory of 428	1832	Synaptics.exe	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
"C:\Users\Admin\AppData\Local\Temp\6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.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:4784
- C:\Users\Admin\AppData\Local\Temp\._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_6346a63f22a66cd7bea354850db4603944fc7a846c304034b4d359696380ab82.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2484
- 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:1832
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:428

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:3284

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