xred | a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c

System Information Discovery

Processes:

a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exeSynaptics.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exeSynaptics.exe._cache_Synaptics.exe

pid	Process
1648	._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe
3460	Synaptics.exe
3472	._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:

a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
3508	1648	WerFault.exe	82
2092	3472	WerFault.exe	87

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:

a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exeSynaptics.exe._cache_Synaptics.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.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

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:

a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exeSynaptics.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.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
2968	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid	Process
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exeSynaptics.exe

description	pid	Process	procid_target
PID 4624 wrote to memory of 1648	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	82
PID 4624 wrote to memory of 1648	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	82
PID 4624 wrote to memory of 1648	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	82
PID 4624 wrote to memory of 3460	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	83
PID 4624 wrote to memory of 3460	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	83
PID 4624 wrote to memory of 3460	4624	a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe	83
PID 3460 wrote to memory of 3472	3460	Synaptics.exe	87
PID 3460 wrote to memory of 3472	3460	Synaptics.exe	87
PID 3460 wrote to memory of 3472	3460	Synaptics.exe	87

C:\Users\Admin\AppData\Local\Temp\a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe
"C:\Users\Admin\AppData\Local\Temp\a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.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:4624
- C:\Users\Admin\AppData\Local\Temp\._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_a7a1b85b10249da5b31abaabbd32aead550f33935009b811f921ad68505fd88c.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 1048
    3⤵
    - Program crash
    PID:3508
- 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:3460
- - 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:3472
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 1048
      4⤵
      Program crash
      PID:2092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1648 -ip 1648
1⤵
PID:3184

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:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3472 -ip 3472
1⤵
PID:3944

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