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-1-5-21-4050598569-1597076380-177084960-1000\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
3456	attrib.exe
4632	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Executes dropped EXE 1 IoCs

pid	Process
2008	msdcsc.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-1-5-21-4050598569-1597076380-177084960-1000\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	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
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2008	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSecurityPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeTakeOwnershipPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeLoadDriverPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemProfilePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemtimePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeProfSingleProcessPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeIncBasePriorityPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeCreatePagefilePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeBackupPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeRestorePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeShutdownPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeDebugPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeSystemEnvironmentPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeChangeNotifyPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeRemoteShutdownPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeUndockPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeManageVolumePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeImpersonatePrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeCreateGlobalPrivilege	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 33	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 34	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 35	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: 36	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Token: SeIncreaseQuotaPrivilege	2008	msdcsc.exe
Token: SeSecurityPrivilege	2008	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2008	msdcsc.exe
Token: SeLoadDriverPrivilege	2008	msdcsc.exe
Token: SeSystemProfilePrivilege	2008	msdcsc.exe
Token: SeSystemtimePrivilege	2008	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2008	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2008	msdcsc.exe
Token: SeCreatePagefilePrivilege	2008	msdcsc.exe
Token: SeBackupPrivilege	2008	msdcsc.exe
Token: SeRestorePrivilege	2008	msdcsc.exe
Token: SeShutdownPrivilege	2008	msdcsc.exe
Token: SeDebugPrivilege	2008	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2008	msdcsc.exe
Token: SeChangeNotifyPrivilege	2008	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2008	msdcsc.exe
Token: SeUndockPrivilege	2008	msdcsc.exe
Token: SeManageVolumePrivilege	2008	msdcsc.exe
Token: SeImpersonatePrivilege	2008	msdcsc.exe
Token: SeCreateGlobalPrivilege	2008	msdcsc.exe
Token: 33	2008	msdcsc.exe
Token: 34	2008	msdcsc.exe
Token: 35	2008	msdcsc.exe
Token: 36	2008	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2008	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4664	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	82
PID 224 wrote to memory of 4664	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	82
PID 224 wrote to memory of 4664	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	82
PID 224 wrote to memory of 1152	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	83
PID 224 wrote to memory of 1152	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	83
PID 224 wrote to memory of 1152	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	83
PID 4664 wrote to memory of 3456	4664	cmd.exe	86
PID 4664 wrote to memory of 3456	4664	cmd.exe	86
PID 4664 wrote to memory of 3456	4664	cmd.exe	86
PID 1152 wrote to memory of 4632	1152	cmd.exe	87
PID 1152 wrote to memory of 4632	1152	cmd.exe	87
PID 1152 wrote to memory of 4632	1152	cmd.exe	87
PID 224 wrote to memory of 2008	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	88
PID 224 wrote to memory of 2008	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	88
PID 224 wrote to memory of 2008	224	JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe	88
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89
PID 2008 wrote to memory of 3264	2008	msdcsc.exe	89

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
3456	attrib.exe
4632	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
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224
- 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:4664
- - 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:3456
- 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:1152
- - 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:4632
- 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:2008
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3264

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