darkcomet | 61b744a790e13ab0a8c981e303afb66c371af8f3605139a2010f1fbc1e943891

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	JaffaCakes118_01839f4c376f4e92d5245d461caad628.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	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	winupdate.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"	winupdate.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"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.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"	winupdate.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
2992	attrib.exe
2980	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	winupdate.exe

Loads dropped DLL 4 IoCs

pid	Process
1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
2860	winupdate.exe
2860	winupdate.exe
2860	winupdate.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"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

Adds Run key to start application 2 TTPs 2 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\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_01839f4c376f4e92d5245d461caad628.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	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2712	cmd.exe
2920	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2920	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2860	winupdate.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeSecurityPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeTakeOwnershipPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeLoadDriverPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeSystemProfilePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeSystemtimePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeProfSingleProcessPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeIncBasePriorityPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeCreatePagefilePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeBackupPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeRestorePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeShutdownPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeDebugPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeSystemEnvironmentPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeChangeNotifyPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeRemoteShutdownPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeUndockPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeManageVolumePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeImpersonatePrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeCreateGlobalPrivilege	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: 33	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: 34	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: 35	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
Token: SeIncreaseQuotaPrivilege	2860	winupdate.exe
Token: SeSecurityPrivilege	2860	winupdate.exe
Token: SeTakeOwnershipPrivilege	2860	winupdate.exe
Token: SeLoadDriverPrivilege	2860	winupdate.exe
Token: SeSystemProfilePrivilege	2860	winupdate.exe
Token: SeSystemtimePrivilege	2860	winupdate.exe
Token: SeProfSingleProcessPrivilege	2860	winupdate.exe
Token: SeIncBasePriorityPrivilege	2860	winupdate.exe
Token: SeCreatePagefilePrivilege	2860	winupdate.exe
Token: SeBackupPrivilege	2860	winupdate.exe
Token: SeRestorePrivilege	2860	winupdate.exe
Token: SeShutdownPrivilege	2860	winupdate.exe
Token: SeDebugPrivilege	2860	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2860	winupdate.exe
Token: SeChangeNotifyPrivilege	2860	winupdate.exe
Token: SeRemoteShutdownPrivilege	2860	winupdate.exe
Token: SeUndockPrivilege	2860	winupdate.exe
Token: SeManageVolumePrivilege	2860	winupdate.exe
Token: SeImpersonatePrivilege	2860	winupdate.exe
Token: SeCreateGlobalPrivilege	2860	winupdate.exe
Token: 33	2860	winupdate.exe
Token: 34	2860	winupdate.exe
Token: 35	2860	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	winupdate.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	30
PID 1096 wrote to memory of 2332	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	31
PID 1096 wrote to memory of 2332	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	31
PID 1096 wrote to memory of 2332	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	31
PID 1096 wrote to memory of 2332	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	31
PID 2104 wrote to memory of 2980	2104	cmd.exe	34
PID 2104 wrote to memory of 2980	2104	cmd.exe	34
PID 2104 wrote to memory of 2980	2104	cmd.exe	34
PID 2104 wrote to memory of 2980	2104	cmd.exe	34
PID 2332 wrote to memory of 2992	2332	cmd.exe	35
PID 2332 wrote to memory of 2992	2332	cmd.exe	35
PID 2332 wrote to memory of 2992	2332	cmd.exe	35
PID 2332 wrote to memory of 2992	2332	cmd.exe	35
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2860	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	36
PID 1096 wrote to memory of 2712	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	37
PID 1096 wrote to memory of 2712	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	37
PID 1096 wrote to memory of 2712	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	37
PID 1096 wrote to memory of 2712	1096	JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe	37
PID 2712 wrote to memory of 2920	2712	cmd.exe	39
PID 2712 wrote to memory of 2920	2712	cmd.exe	39
PID 2712 wrote to memory of 2920	2712	cmd.exe	39
PID 2712 wrote to memory of 2920	2712	cmd.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2992	attrib.exe
2980	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01839f4c376f4e92d5245d461caad628.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:1096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2980
- 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:2332
- - 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:2992
- C:\Windupdt\winupdate.exe
  "C:\Windupdt\winupdate.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01839f4c376f4e92d5245d461caad628.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2920

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