xred | f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

pid	Process
372	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
684	Synaptics.exe
460	._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"	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tmpDF28.tmp	._cache_Synaptics.exe
File created	C:\Windows\system32\wrap_oal.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Windows\system32\wrap_oal.new	._cache_Synaptics.exe
File opened for modification	C:\Windows\SysWOW64\tmpDF27.tmp	._cache_Synaptics.exe
File opened for modification	C:\Windows\SysWOW64\tmpDF27.tmp	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Windows\SysWOW64\tmpC6EA.tmp	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Windows\SysWOW64\OpenAL32.new	._cache_Synaptics.exe
File created	C:\Windows\SysWOW64\OpenAL32.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Windows\SysWOW64\wrap_oal.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Windows\SysWOW64\wrap_oal.new	._cache_Synaptics.exe
File created	C:\Windows\system32\OpenAL32.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Windows\SysWOW64\tmpDF28.tmp	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Windows\SysWOW64\wrap_oal.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Windows\SysWOW64\tmpC6EB.tmp	._cache_Synaptics.exe
File opened for modification	C:\Windows\system32\OpenAL32.new	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Windows\SysWOW64\tmpC6EB.tmp	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Windows\system32\OpenAL32.new	._cache_Synaptics.exe
File opened for modification	C:\Windows\SysWOW64\tmpC6EA.tmp	._cache_Synaptics.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\OpenAL\._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File created	C:\Program Files (x86)\OpenAL\._cache_Synaptics.exe	._cache_Synaptics.exe
File created	C:\Program Files (x86)\OpenAL\._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
File opened for modification	C:\Program Files (x86)\OpenAL\._cache_Synaptics.exe	._cache_Synaptics.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.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

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\	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2652	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2652	EXCEL.EXE
2652	EXCEL.EXE
2652	EXCEL.EXE
2652	EXCEL.EXE
2652	EXCEL.EXE
2652	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 372	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	82
PID 2404 wrote to memory of 372	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	82
PID 2404 wrote to memory of 372	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	82
PID 2404 wrote to memory of 684	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	83
PID 2404 wrote to memory of 684	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	83
PID 2404 wrote to memory of 684	2404	f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe	83
PID 684 wrote to memory of 460	684	Synaptics.exe	84
PID 684 wrote to memory of 460	684	Synaptics.exe	84
PID 684 wrote to memory of 460	684	Synaptics.exe	84

C:\Users\Admin\AppData\Local\Temp\f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
"C:\Users\Admin\AppData\Local\Temp\f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.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:2404
- C:\Users\Admin\AppData\Local\Temp\._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_f05b2555733c2ae2ee5a39c1e7b7a833c0bbae64a020c42a5446274a2545d682.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:372
- 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:684
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:460

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:2652

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

4

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery