xred | dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06

System Information Discovery

Processes:

dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 6 IoCs

Processes:

._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmpSynaptics.exe._cache_Synaptics.exe._cache_Synaptics.tmpChecksumCalculator.exe

pid	process
4956	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
4076	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
3836	Synaptics.exe
4572	._cache_Synaptics.exe
1092	._cache_Synaptics.tmp
856	ChecksumCalculator.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.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 Program Files directory 7 IoCs

Processes:

._cache_Synaptics.tmp._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp

description	ioc	process
File created	C:\Program Files (x86)\Checksum Calculator\is-OLNL0.tmp	._cache_Synaptics.tmp
File created	C:\Program Files (x86)\Checksum Calculator\is-7L9R4.tmp	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
File created	C:\Program Files (x86)\Checksum Calculator\is-5V9KG.tmp	._cache_Synaptics.tmp
File created	C:\Program Files (x86)\Checksum Calculator\is-JVUDA.tmp	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
File opened for modification	C:\Program Files (x86)\Checksum Calculator\unins000.dat	._cache_Synaptics.tmp
File created	C:\Program Files (x86)\Checksum Calculator\unins000.dat	._cache_Synaptics.tmp
File created	C:\Program Files (x86)\Checksum Calculator\unins001.dat	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp

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 7 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:

ChecksumCalculator.exedd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmpSynaptics.exe._cache_Synaptics.exe._cache_Synaptics.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ChecksumCalculator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.tmp

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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:

dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exeSynaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.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

4224 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

._cache_Synaptics.tmp._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp

pid process

1092 ._cache_Synaptics.tmp
4076 ._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

4224 EXCEL.EXE
4224 EXCEL.EXE
4224 EXCEL.EXE
4224 EXCEL.EXE

pid	process
4224	EXCEL.EXE

pid	process
1092	._cache_Synaptics.tmp
4076	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp

pid	process
4224	EXCEL.EXE
4224	EXCEL.EXE
4224	EXCEL.EXE
4224	EXCEL.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exeSynaptics.exe._cache_Synaptics.exe._cache_Synaptics.tmp

description	pid	process	target process
PID 4220 wrote to memory of 4956	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
PID 4220 wrote to memory of 4956	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
PID 4220 wrote to memory of 4956	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
PID 4956 wrote to memory of 4076	4956	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
PID 4956 wrote to memory of 4076	4956	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
PID 4956 wrote to memory of 4076	4956	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
PID 4220 wrote to memory of 3836	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	Synaptics.exe
PID 4220 wrote to memory of 3836	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	Synaptics.exe
PID 4220 wrote to memory of 3836	4220	dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe	Synaptics.exe
PID 3836 wrote to memory of 4572	3836	Synaptics.exe	._cache_Synaptics.exe
PID 3836 wrote to memory of 4572	3836	Synaptics.exe	._cache_Synaptics.exe
PID 3836 wrote to memory of 4572	3836	Synaptics.exe	._cache_Synaptics.exe
PID 4572 wrote to memory of 1092	4572	._cache_Synaptics.exe	._cache_Synaptics.tmp
PID 4572 wrote to memory of 1092	4572	._cache_Synaptics.exe	._cache_Synaptics.tmp
PID 4572 wrote to memory of 1092	4572	._cache_Synaptics.exe	._cache_Synaptics.tmp
PID 1092 wrote to memory of 856	1092	._cache_Synaptics.tmp	ChecksumCalculator.exe
PID 1092 wrote to memory of 856	1092	._cache_Synaptics.tmp	ChecksumCalculator.exe
PID 1092 wrote to memory of 856	1092	._cache_Synaptics.tmp	ChecksumCalculator.exe

C:\Users\Admin\AppData\Local\Temp\dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
"C:\Users\Admin\AppData\Local\Temp\dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.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:4220
- C:\Users\Admin\AppData\Local\Temp\._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Users\Admin\AppData\Local\Temp\is-VIMII.tmp\._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-VIMII.tmp\._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.tmp" /SL5="$4017E,337902,54272,C:\Users\Admin\AppData\Local\Temp\._cache_dd09ce363101ef13dc72fe7ae9d5731eed2777f248eec37d87bd1efbd3c91a06N.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    PID:4076
- 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:3836
- - 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:4572
  - - C:\Users\Admin\AppData\Local\Temp\is-ARSDI.tmp\._cache_Synaptics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ARSDI.tmp\._cache_Synaptics.tmp" /SL5="$80090,337902,54272,C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1092
    - - C:\Program Files (x86)\Checksum Calculator\ChecksumCalculator.exe
        
        "C:\Program Files (x86)\Checksum Calculator\ChecksumCalculator.exe"
        5⤵
        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:4224

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