darkcomet | fbf87fb3eac3394003fa8927cad074628d0940a84464adff071fe143b95d3fae

System Information Discovery

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXewinupdate.eXe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.eXe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

684 notepad.exe
Executes dropped EXE 2 IoCs

Processes:

winupdate.exewinupdate.eXe

pid process

3516 winupdate.exe
1508 winupdate.eXe

pid	process
684	notepad.exe

pid	process
3516	winupdate.exe
1508	winupdate.eXe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Drops file in System32 directory 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\explorer.eXe explorer.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\explorer.eXe	explorer.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXewinupdate.exe

description	pid	process	target process
PID 3876 set thread context of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 2892 set thread context of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 3516 set thread context of 1508	3516	winupdate.exe	winupdate.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 8 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:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXenotepad.exeNOTEPAD.EXEexplorer.exewinupdate.exenotepad.exewinupdate.eXe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.eXe

Checks processor information in registry 2 TTPs 8 IoCs

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

Query Registry

System Information Discovery

Processes:

winupdate.eXe85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.eXe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.eXe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXewinupdate.eXe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.eXe

Modifies registry class 2 IoCs

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

656 NOTEPAD.EXE

pid	process
656	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXewinupdate.eXe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeSecurityPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeTakeOwnershipPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeLoadDriverPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeSystemProfilePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeSystemtimePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeProfSingleProcessPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeIncBasePriorityPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeCreatePagefilePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeBackupPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeRestorePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeShutdownPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeDebugPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeSystemEnvironmentPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeChangeNotifyPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeRemoteShutdownPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeUndockPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeManageVolumePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeImpersonatePrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeCreateGlobalPrivilege	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: 33	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: 34	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: 35	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: 36	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
Token: SeIncreaseQuotaPrivilege	1508	winupdate.eXe
Token: SeSecurityPrivilege	1508	winupdate.eXe
Token: SeTakeOwnershipPrivilege	1508	winupdate.eXe
Token: SeLoadDriverPrivilege	1508	winupdate.eXe
Token: SeSystemProfilePrivilege	1508	winupdate.eXe
Token: SeSystemtimePrivilege	1508	winupdate.eXe
Token: SeProfSingleProcessPrivilege	1508	winupdate.eXe
Token: SeIncBasePriorityPrivilege	1508	winupdate.eXe
Token: SeCreatePagefilePrivilege	1508	winupdate.eXe
Token: SeBackupPrivilege	1508	winupdate.eXe
Token: SeRestorePrivilege	1508	winupdate.eXe
Token: SeShutdownPrivilege	1508	winupdate.eXe
Token: SeDebugPrivilege	1508	winupdate.eXe
Token: SeSystemEnvironmentPrivilege	1508	winupdate.eXe
Token: SeChangeNotifyPrivilege	1508	winupdate.eXe
Token: SeRemoteShutdownPrivilege	1508	winupdate.eXe
Token: SeUndockPrivilege	1508	winupdate.eXe
Token: SeManageVolumePrivilege	1508	winupdate.eXe
Token: SeImpersonatePrivilege	1508	winupdate.eXe
Token: SeCreateGlobalPrivilege	1508	winupdate.eXe
Token: 33	1508	winupdate.eXe
Token: 34	1508	winupdate.eXe
Token: 35	1508	winupdate.eXe
Token: 36	1508	winupdate.eXe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exeexplorer.exewinupdate.exe

pid process

3876 85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe
2032 explorer.exe
3516 winupdate.exe

pid	process
3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe
2032	explorer.exe
3516	winupdate.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe

description	pid	process	target process
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 3876 wrote to memory of 2892	3876	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 4896	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 656	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	NOTEPAD.EXE
PID 2892 wrote to memory of 656	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	NOTEPAD.EXE
PID 2892 wrote to memory of 656	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	NOTEPAD.EXE
PID 2892 wrote to memory of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 2892 wrote to memory of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 2892 wrote to memory of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 2892 wrote to memory of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 2892 wrote to memory of 2032	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	explorer.exe
PID 2892 wrote to memory of 3516	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	winupdate.exe
PID 2892 wrote to memory of 3516	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	winupdate.exe
PID 2892 wrote to memory of 3516	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	winupdate.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe
PID 2892 wrote to memory of 684	2892	85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\85c653d09f02786f3929e4e169fe77db_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Users\Admin\AppData\Local\Temp\85c653d09f02786f3929e4e169fe77db_JaffaCakes118.eXe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4896
- - C:\Windows\SysWOW64\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ANNEXE.TXT
    3⤵
    - System Location Discovery: System Language Discovery
    - Opens file in notepad (likely ransom note)
    PID:656
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2032
- - C:\Windupdt\winupdate.exe
    "C:\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3516
  - - C:\Windupdt\winupdate.eXe
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      PID:1508
- - C:\Windows\SysWOW64\notepad.exe
    C:\Windows\SysWOW64\notepad.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

4

System Information Discovery

5

System Location Discovery

T1614

System Language Discovery