darkcomet | 87670f313959309a4c81996480395516b5b1c93f2c7ff959ad46b3fcf5d92e41

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe"	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.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

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.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
2944	attrib.exe
2556	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.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 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	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2844	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeSecurityPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeBackupPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeRestorePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeShutdownPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeDebugPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeUndockPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: 33	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: 34	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: 35	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2844	msdcsc.exe
Token: SeSecurityPrivilege	2844	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2844	msdcsc.exe
Token: SeLoadDriverPrivilege	2844	msdcsc.exe
Token: SeSystemProfilePrivilege	2844	msdcsc.exe
Token: SeSystemtimePrivilege	2844	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2844	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2844	msdcsc.exe
Token: SeCreatePagefilePrivilege	2844	msdcsc.exe
Token: SeBackupPrivilege	2844	msdcsc.exe
Token: SeRestorePrivilege	2844	msdcsc.exe
Token: SeShutdownPrivilege	2844	msdcsc.exe
Token: SeDebugPrivilege	2844	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2844	msdcsc.exe
Token: SeChangeNotifyPrivilege	2844	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2844	msdcsc.exe
Token: SeUndockPrivilege	2844	msdcsc.exe
Token: SeManageVolumePrivilege	2844	msdcsc.exe
Token: SeImpersonatePrivilege	2844	msdcsc.exe
Token: SeCreateGlobalPrivilege	2844	msdcsc.exe
Token: 33	2844	msdcsc.exe
Token: 34	2844	msdcsc.exe
Token: 35	2844	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2844	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2744	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2744	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2744	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2744	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2756	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	31
PID 2240 wrote to memory of 2756	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	31
PID 2240 wrote to memory of 2756	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	31
PID 2240 wrote to memory of 2756	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2944	2756	cmd.exe	34
PID 2756 wrote to memory of 2944	2756	cmd.exe	34
PID 2756 wrote to memory of 2944	2756	cmd.exe	34
PID 2756 wrote to memory of 2944	2756	cmd.exe	34
PID 2744 wrote to memory of 2556	2744	cmd.exe	35
PID 2744 wrote to memory of 2556	2744	cmd.exe	35
PID 2744 wrote to memory of 2556	2744	cmd.exe	35
PID 2744 wrote to memory of 2556	2744	cmd.exe	35
PID 2240 wrote to memory of 2844	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	36
PID 2240 wrote to memory of 2844	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	36
PID 2240 wrote to memory of 2844	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	36
PID 2240 wrote to memory of 2844	2240	ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe	36

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
2944	attrib.exe
2556	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2556
- 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:2756
- - 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:2944
- C:\MSDCSC\msdcsc.exe
  "C:\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
  - System policy modification
  PID:2844

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