darkcomet | 0bf70ab5b17a92c53e240220bc3fa94c6eb458e58945162fee94e9dff5743f72

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32\\winlogon.exe"	winhost32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32\\winlogon.exe,C:\\system32\\winlogon.exe"	myFirstrat.exe.exe

Modifies firewall policy service 3 TTPs 3 IoCs

defense_evasion

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	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	winlogon.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	winlogon.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\UpdatesDisableNotify = "1"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winlogon.exe

Disables Task Manager via registry modification
defense_evasion

Checks BIOS information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winhost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	myFirstrat.exe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winlogon.exe

Executes dropped EXE 3 IoCs

pid	Process
2016	winhost32.exe
2892	myFirstrat.exe.exe
2616	winlogon.exe

Loads dropped DLL 6 IoCs

pid	Process
2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
2892	myFirstrat.exe.exe
2892	myFirstrat.exe.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"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winlogon.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\ueKswLujMM = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32.exe\""	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\system32\\winlogon.exe"	winhost32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\system32\\winlogon.exe"	myFirstrat.exe.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2016 set thread context of 2784	2016	winhost32.exe	32

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 5 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_11151b90950c8f395b37bb0e4f5090c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winhost32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myFirstrat.exe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Checks processor information in registry 2 TTPs 12 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winhost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winhost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	myFirstrat.exe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	myFirstrat.exe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winlogon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winhost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winhost32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	myFirstrat.exe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	myFirstrat.exe.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winlogon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winlogon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winlogon.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winhost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	myFirstrat.exe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winlogon.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	winlogon.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
Token: SeIncreaseQuotaPrivilege	2016	winhost32.exe
Token: SeSecurityPrivilege	2016	winhost32.exe
Token: SeTakeOwnershipPrivilege	2016	winhost32.exe
Token: SeLoadDriverPrivilege	2016	winhost32.exe
Token: SeSystemProfilePrivilege	2016	winhost32.exe
Token: SeSystemtimePrivilege	2016	winhost32.exe
Token: SeProfSingleProcessPrivilege	2016	winhost32.exe
Token: SeIncBasePriorityPrivilege	2016	winhost32.exe
Token: SeCreatePagefilePrivilege	2016	winhost32.exe
Token: SeBackupPrivilege	2016	winhost32.exe
Token: SeRestorePrivilege	2016	winhost32.exe
Token: SeShutdownPrivilege	2016	winhost32.exe
Token: SeDebugPrivilege	2016	winhost32.exe
Token: SeSystemEnvironmentPrivilege	2016	winhost32.exe
Token: SeChangeNotifyPrivilege	2016	winhost32.exe
Token: SeRemoteShutdownPrivilege	2016	winhost32.exe
Token: SeUndockPrivilege	2016	winhost32.exe
Token: SeManageVolumePrivilege	2016	winhost32.exe
Token: SeImpersonatePrivilege	2016	winhost32.exe
Token: SeCreateGlobalPrivilege	2016	winhost32.exe
Token: 33	2016	winhost32.exe
Token: 34	2016	winhost32.exe
Token: 35	2016	winhost32.exe
Token: SeIncreaseQuotaPrivilege	2892	myFirstrat.exe.exe
Token: SeSecurityPrivilege	2892	myFirstrat.exe.exe
Token: SeTakeOwnershipPrivilege	2892	myFirstrat.exe.exe
Token: SeLoadDriverPrivilege	2892	myFirstrat.exe.exe
Token: SeSystemProfilePrivilege	2892	myFirstrat.exe.exe
Token: SeSystemtimePrivilege	2892	myFirstrat.exe.exe
Token: SeProfSingleProcessPrivilege	2892	myFirstrat.exe.exe
Token: SeIncBasePriorityPrivilege	2892	myFirstrat.exe.exe
Token: SeCreatePagefilePrivilege	2892	myFirstrat.exe.exe
Token: SeBackupPrivilege	2892	myFirstrat.exe.exe
Token: SeRestorePrivilege	2892	myFirstrat.exe.exe
Token: SeShutdownPrivilege	2892	myFirstrat.exe.exe
Token: SeDebugPrivilege	2892	myFirstrat.exe.exe
Token: SeSystemEnvironmentPrivilege	2892	myFirstrat.exe.exe
Token: SeChangeNotifyPrivilege	2892	myFirstrat.exe.exe
Token: SeRemoteShutdownPrivilege	2892	myFirstrat.exe.exe
Token: SeUndockPrivilege	2892	myFirstrat.exe.exe
Token: SeManageVolumePrivilege	2892	myFirstrat.exe.exe
Token: SeImpersonatePrivilege	2892	myFirstrat.exe.exe
Token: SeCreateGlobalPrivilege	2892	myFirstrat.exe.exe
Token: 33	2892	myFirstrat.exe.exe
Token: 34	2892	myFirstrat.exe.exe
Token: 35	2892	myFirstrat.exe.exe
Token: SeIncreaseQuotaPrivilege	2616	winlogon.exe
Token: SeSecurityPrivilege	2616	winlogon.exe
Token: SeTakeOwnershipPrivilege	2616	winlogon.exe
Token: SeLoadDriverPrivilege	2616	winlogon.exe
Token: SeSystemProfilePrivilege	2616	winlogon.exe
Token: SeSystemtimePrivilege	2616	winlogon.exe
Token: SeProfSingleProcessPrivilege	2616	winlogon.exe
Token: SeIncBasePriorityPrivilege	2616	winlogon.exe
Token: SeCreatePagefilePrivilege	2616	winlogon.exe
Token: SeBackupPrivilege	2616	winlogon.exe
Token: SeRestorePrivilege	2616	winlogon.exe
Token: SeShutdownPrivilege	2616	winlogon.exe
Token: SeDebugPrivilege	2616	winlogon.exe
Token: SeSystemEnvironmentPrivilege	2616	winlogon.exe
Token: SeChangeNotifyPrivilege	2616	winlogon.exe
Token: SeRemoteShutdownPrivilege	2616	winlogon.exe
Token: SeUndockPrivilege	2616	winlogon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2616	winlogon.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2452 wrote to memory of 2016	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	31
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2016 wrote to memory of 2784	2016	winhost32.exe	32
PID 2452 wrote to memory of 2892	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	33
PID 2452 wrote to memory of 2892	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	33
PID 2452 wrote to memory of 2892	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	33
PID 2452 wrote to memory of 2892	2452	JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe	33
PID 2892 wrote to memory of 3008	2892	myFirstrat.exe.exe	34
PID 2892 wrote to memory of 3008	2892	myFirstrat.exe.exe	34
PID 2892 wrote to memory of 3008	2892	myFirstrat.exe.exe	34
PID 2892 wrote to memory of 3008	2892	myFirstrat.exe.exe	34
PID 2892 wrote to memory of 2616	2892	myFirstrat.exe.exe	35
PID 2892 wrote to memory of 2616	2892	myFirstrat.exe.exe	35
PID 2892 wrote to memory of 2616	2892	myFirstrat.exe.exe	35
PID 2892 wrote to memory of 2616	2892	myFirstrat.exe.exe	35
PID 2616 wrote to memory of 2360	2616	winlogon.exe	36
PID 2616 wrote to memory of 2360	2616	winlogon.exe	36
PID 2616 wrote to memory of 2360	2616	winlogon.exe	36
PID 2616 wrote to memory of 2360	2616	winlogon.exe	36

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\winhost32.exe
  C:\Users\Admin\AppData\Local\Temp\\winhost32.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Executes dropped EXE
  - 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2784
- C:\Users\Admin\AppData\Local\Temp\myFirstrat.exe.exe
  C:\Users\Admin\AppData\Local\Temp\myFirstrat.exe.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    PID:3008
- - C:\system32\winlogon.exe
    "C:\system32\winlogon.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2616
  - - C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      4⤵
      PID:2360

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery