xred | d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1

System Information Discovery

Processes:

d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

Executes dropped EXE 1 IoCs

Processes:

Synaptics.exe

pid process

4952 Synaptics.exe

pid	process
4952	Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.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 2 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:

d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exeSynaptics.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.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 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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4708 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE
4708 EXCEL.EXE

pid	process
4708	EXCEL.EXE

pid	process
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE
4708	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe

description	pid	process	target process
PID 2140 wrote to memory of 4952	2140	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe	Synaptics.exe
PID 2140 wrote to memory of 4952	2140	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe	Synaptics.exe
PID 2140 wrote to memory of 4952	2140	d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.exe
"C:\Users\Admin\AppData\Local\Temp\d39955989ac1727de73b6b3ee85e773d21ac08a60be669cedad06308d34869f1.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:2140
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4952

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:4708

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