darkcomet | 8b4caf3214e9c5f206f90813188cef577d5430449606bc21939f46973c7f9c68

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
2916	attrib.exe
2904	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1012	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1012	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSecurityPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeTakeOwnershipPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeLoadDriverPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemProfilePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemtimePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeProfSingleProcessPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeIncBasePriorityPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeCreatePagefilePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeBackupPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeRestorePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeShutdownPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeDebugPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemEnvironmentPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeChangeNotifyPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeRemoteShutdownPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeUndockPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeManageVolumePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeImpersonatePrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeCreateGlobalPrivilege	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 33	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 34	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 35	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeIncreaseQuotaPrivilege	1012	msdcsc.exe
Token: SeSecurityPrivilege	1012	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1012	msdcsc.exe
Token: SeLoadDriverPrivilege	1012	msdcsc.exe
Token: SeSystemProfilePrivilege	1012	msdcsc.exe
Token: SeSystemtimePrivilege	1012	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1012	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1012	msdcsc.exe
Token: SeCreatePagefilePrivilege	1012	msdcsc.exe
Token: SeBackupPrivilege	1012	msdcsc.exe
Token: SeRestorePrivilege	1012	msdcsc.exe
Token: SeShutdownPrivilege	1012	msdcsc.exe
Token: SeDebugPrivilege	1012	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1012	msdcsc.exe
Token: SeChangeNotifyPrivilege	1012	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1012	msdcsc.exe
Token: SeUndockPrivilege	1012	msdcsc.exe
Token: SeManageVolumePrivilege	1012	msdcsc.exe
Token: SeImpersonatePrivilege	1012	msdcsc.exe
Token: SeCreateGlobalPrivilege	1012	msdcsc.exe
Token: 33	1012	msdcsc.exe
Token: 34	1012	msdcsc.exe
Token: 35	1012	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1012	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2580	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	30
PID 2936 wrote to memory of 2580	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	30
PID 2936 wrote to memory of 2580	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	30
PID 2936 wrote to memory of 2580	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	30
PID 2936 wrote to memory of 2444	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	31
PID 2936 wrote to memory of 2444	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	31
PID 2936 wrote to memory of 2444	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	31
PID 2936 wrote to memory of 2444	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	31
PID 2580 wrote to memory of 2904	2580	cmd.exe	34
PID 2580 wrote to memory of 2904	2580	cmd.exe	34
PID 2580 wrote to memory of 2904	2580	cmd.exe	34
PID 2580 wrote to memory of 2904	2580	cmd.exe	34
PID 2444 wrote to memory of 2916	2444	cmd.exe	35
PID 2444 wrote to memory of 2916	2444	cmd.exe	35
PID 2444 wrote to memory of 2916	2444	cmd.exe	35
PID 2444 wrote to memory of 2916	2444	cmd.exe	35
PID 2936 wrote to memory of 1012	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	36
PID 2936 wrote to memory of 1012	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	36
PID 2936 wrote to memory of 1012	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	36
PID 2936 wrote to memory of 1012	2936	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	36
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37
PID 1012 wrote to memory of 2584	1012	msdcsc.exe	37

System policy modification 1 TTPs 3 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2916	attrib.exe
2904	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2916
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1012
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2584

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry