darkcomet | 109ebb16b070770f48359880d6f643c23612a1bb56054790c164b0cde4312880

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

Modifies firewall policy service 3 TTPs 6 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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	iexplore.exe

Modifies security service 2 TTPs 2 IoCs

Modify Registry

Windows Service

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

Windows security bypass 2 TTPs 4 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"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe
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 2 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
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.exe

Disables Task Manager via registry modification
evasion

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
2344	attrib.exe
2492	attrib.exe

Deletes itself 1 IoCs

pid	Process
2860	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2188	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2292	niggt.exe
2292	niggt.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\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\realtekaudio = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\realtekaudio = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	niggt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\realtekaudio = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2720	2188	msdcsc.exe	38

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 14 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.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	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	niggt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1124	NETSTAT.EXE
1316	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2292	niggt.exe
Token: SeSecurityPrivilege	2292	niggt.exe
Token: SeTakeOwnershipPrivilege	2292	niggt.exe
Token: SeLoadDriverPrivilege	2292	niggt.exe
Token: SeSystemProfilePrivilege	2292	niggt.exe
Token: SeSystemtimePrivilege	2292	niggt.exe
Token: SeProfSingleProcessPrivilege	2292	niggt.exe
Token: SeIncBasePriorityPrivilege	2292	niggt.exe
Token: SeCreatePagefilePrivilege	2292	niggt.exe
Token: SeBackupPrivilege	2292	niggt.exe
Token: SeRestorePrivilege	2292	niggt.exe
Token: SeShutdownPrivilege	2292	niggt.exe
Token: SeDebugPrivilege	2292	niggt.exe
Token: SeSystemEnvironmentPrivilege	2292	niggt.exe
Token: SeChangeNotifyPrivilege	2292	niggt.exe
Token: SeRemoteShutdownPrivilege	2292	niggt.exe
Token: SeUndockPrivilege	2292	niggt.exe
Token: SeManageVolumePrivilege	2292	niggt.exe
Token: SeImpersonatePrivilege	2292	niggt.exe
Token: SeCreateGlobalPrivilege	2292	niggt.exe
Token: 33	2292	niggt.exe
Token: 34	2292	niggt.exe
Token: 35	2292	niggt.exe
Token: SeIncreaseQuotaPrivilege	2188	msdcsc.exe
Token: SeSecurityPrivilege	2188	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2188	msdcsc.exe
Token: SeLoadDriverPrivilege	2188	msdcsc.exe
Token: SeSystemProfilePrivilege	2188	msdcsc.exe
Token: SeSystemtimePrivilege	2188	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2188	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2188	msdcsc.exe
Token: SeCreatePagefilePrivilege	2188	msdcsc.exe
Token: SeBackupPrivilege	2188	msdcsc.exe
Token: SeRestorePrivilege	2188	msdcsc.exe
Token: SeShutdownPrivilege	2188	msdcsc.exe
Token: SeDebugPrivilege	2188	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2188	msdcsc.exe
Token: SeChangeNotifyPrivilege	2188	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2188	msdcsc.exe
Token: SeUndockPrivilege	2188	msdcsc.exe
Token: SeManageVolumePrivilege	2188	msdcsc.exe
Token: SeImpersonatePrivilege	2188	msdcsc.exe
Token: SeCreateGlobalPrivilege	2188	msdcsc.exe
Token: 33	2188	msdcsc.exe
Token: 34	2188	msdcsc.exe
Token: 35	2188	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2720	iexplore.exe
Token: SeSecurityPrivilege	2720	iexplore.exe
Token: SeTakeOwnershipPrivilege	2720	iexplore.exe
Token: SeLoadDriverPrivilege	2720	iexplore.exe
Token: SeSystemProfilePrivilege	2720	iexplore.exe
Token: SeSystemtimePrivilege	2720	iexplore.exe
Token: SeProfSingleProcessPrivilege	2720	iexplore.exe
Token: SeIncBasePriorityPrivilege	2720	iexplore.exe
Token: SeCreatePagefilePrivilege	2720	iexplore.exe
Token: SeBackupPrivilege	2720	iexplore.exe
Token: SeRestorePrivilege	2720	iexplore.exe
Token: SeShutdownPrivilege	2720	iexplore.exe
Token: SeDebugPrivilege	2720	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2720	iexplore.exe
Token: SeChangeNotifyPrivilege	2720	iexplore.exe
Token: SeRemoteShutdownPrivilege	2720	iexplore.exe
Token: SeUndockPrivilege	2720	iexplore.exe
Token: SeManageVolumePrivilege	2720	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2720	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1892	2292	niggt.exe	30
PID 2292 wrote to memory of 1892	2292	niggt.exe	30
PID 2292 wrote to memory of 1892	2292	niggt.exe	30
PID 2292 wrote to memory of 1892	2292	niggt.exe	30
PID 2292 wrote to memory of 2512	2292	niggt.exe	32
PID 2292 wrote to memory of 2512	2292	niggt.exe	32
PID 2292 wrote to memory of 2512	2292	niggt.exe	32
PID 2292 wrote to memory of 2512	2292	niggt.exe	32
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 2292 wrote to memory of 2860	2292	niggt.exe	33
PID 1892 wrote to memory of 2492	1892	cmd.exe	35
PID 1892 wrote to memory of 2492	1892	cmd.exe	35
PID 1892 wrote to memory of 2492	1892	cmd.exe	35
PID 1892 wrote to memory of 2492	1892	cmd.exe	35
PID 2512 wrote to memory of 2344	2512	cmd.exe	36
PID 2512 wrote to memory of 2344	2512	cmd.exe	36
PID 2512 wrote to memory of 2344	2512	cmd.exe	36
PID 2512 wrote to memory of 2344	2512	cmd.exe	36
PID 2292 wrote to memory of 2188	2292	niggt.exe	37
PID 2292 wrote to memory of 2188	2292	niggt.exe	37
PID 2292 wrote to memory of 2188	2292	niggt.exe	37
PID 2292 wrote to memory of 2188	2292	niggt.exe	37
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2188 wrote to memory of 2720	2188	msdcsc.exe	38
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39
PID 2720 wrote to memory of 2736	2720	iexplore.exe	39

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
2492	attrib.exe
2344	attrib.exe

C:\Users\Admin\AppData\Local\Temp\niggt.exe
"C:\Users\Admin\AppData\Local\Temp\niggt.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:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\niggt.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\niggt.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2492
- 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:2512
- - 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:2344
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\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
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2188
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2736
  - - C:\Windows\SysWOW64\taskmgr.exe
      "C:\Windows\System32\taskmgr.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2880
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:884
    - - C:\Windows\SysWOW64\NETSTAT.EXE
        
        netstat -a
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        
        PID:1124
    - - C:\Windows\SysWOW64\find.exe
        
        find "LISTEN"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2176
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        
        PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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