xred | c5a2b12a61b5e60516640b7a465013bce5507dbfb84269775ca899ebb1fde6ac

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2123103809-19148277-2527443841-1000\Control Panel\International\Geo\Nation	RUN ME FIRST.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2123103809-19148277-2527443841-1000\Control Panel\International\Geo\Nation	._cache_RUN ME FIRST.exe

Executes dropped EXE 5 IoCs

pid	Process
4868	._cache_RUN ME FIRST.exe
6020	._cache_RUN ME FIRST.exe
4716	Synaptics.exe
4864	Synaptics.exe
5304	VC_redist.x64.exe

Loads dropped DLL 1 IoCs

pid	Process
6020	._cache_RUN ME FIRST.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"	RUN ME FIRST.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
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 6 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_RUN ME FIRST.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_RUN ME FIRST.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUN ME FIRST.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.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 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 1 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2264	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	896	vssvc.exe
Token: SeRestorePrivilege	896	vssvc.exe
Token: SeAuditPrivilege	896	vssvc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
6020	._cache_RUN ME FIRST.exe
6020	._cache_RUN ME FIRST.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 4868	1712	RUN ME FIRST.exe	86
PID 1712 wrote to memory of 4868	1712	RUN ME FIRST.exe	86
PID 1712 wrote to memory of 4868	1712	RUN ME FIRST.exe	86
PID 4868 wrote to memory of 6020	4868	._cache_RUN ME FIRST.exe	89
PID 4868 wrote to memory of 6020	4868	._cache_RUN ME FIRST.exe	89
PID 4868 wrote to memory of 6020	4868	._cache_RUN ME FIRST.exe	89
PID 1712 wrote to memory of 4716	1712	RUN ME FIRST.exe	90
PID 1712 wrote to memory of 4716	1712	RUN ME FIRST.exe	90
PID 1712 wrote to memory of 4716	1712	RUN ME FIRST.exe	90
PID 4924 wrote to memory of 4864	4924	cmd.exe	92
PID 4924 wrote to memory of 4864	4924	cmd.exe	92
PID 4924 wrote to memory of 4864	4924	cmd.exe	92
PID 6020 wrote to memory of 5304	6020	._cache_RUN ME FIRST.exe	100
PID 6020 wrote to memory of 5304	6020	._cache_RUN ME FIRST.exe	100
PID 6020 wrote to memory of 5304	6020	._cache_RUN ME FIRST.exe	100

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\RUN ME FIRST.exe
"C:\Users\Admin\AppData\Local\Temp\RUN ME FIRST.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:1712
- C:\Users\Admin\AppData\Local\Temp\._cache_RUN ME FIRST.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_RUN ME FIRST.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Windows\Temp\{758D7847-8D15-4465-818C-8916E84074CA}\.cr\._cache_RUN ME FIRST.exe
    "C:\Windows\Temp\{758D7847-8D15-4465-818C-8916E84074CA}\.cr\._cache_RUN ME FIRST.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\._cache_RUN ME FIRST.exe" -burn.filehandle.attached=540 -burn.filehandle.self=552
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:6020
  - - C:\Windows\Temp\{59687471-53FE-448C-ABEA-D04913A430D0}\.be\VC_redist.x64.exe
      "C:\Windows\Temp\{59687471-53FE-448C-ABEA-D04913A430D0}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{A9E46163-4AB7-4B8C-BABE-9CC089BEDE6A} {04091C14-FBF4-4AD6-808A-25B4747D70BE} 6020
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5304
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4716

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Synaptics\Synaptics.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4924
- C:\ProgramData\Synaptics\Synaptics.exe
  C:\ProgramData\Synaptics\Synaptics.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4864

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:2264

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:896

Network

MITRE ATT&CK Enterprise v16

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

Peripheral Device Discovery

Query Registry

System Information Discovery

5

System Location Discovery

T1614

System Language Discovery