darkcomet | e4c9e8116827030fee7a80a2d2fbbadb2f0b0fc353dbe8833e57f7852ea86810

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

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
1960	attrib.exe
1576	attrib.exe

Executes dropped EXE 8 IoCs

pid	Process
2764	service.exe
2700	service.exe
2844	service.exe
1620	SERVICES.EXE
1824	WINDOWSLOGIN.EXE
1376	msdcsc.exe
2016	msdcsc.exe
2116	msdcsc.exe

Loads dropped DLL 12 IoCs

pid	Process
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2764	service.exe
2844	service.exe
2844	service.exe
2844	service.exe
2844	service.exe
2844	service.exe
2844	service.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 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\service.exe"	reg.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2700	2764	service.exe	32
PID 2700 set thread context of 2844	2700	service.exe	33
PID 1376 set thread context of 2016	1376	msdcsc.exe	45
PID 2016 set thread context of 2116	2016	msdcsc.exe	48

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2116	msdcsc.exe
2956	dw20.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2844	service.exe
Token: SeSecurityPrivilege	2844	service.exe
Token: SeTakeOwnershipPrivilege	2844	service.exe
Token: SeLoadDriverPrivilege	2844	service.exe
Token: SeSystemProfilePrivilege	2844	service.exe
Token: SeSystemtimePrivilege	2844	service.exe
Token: SeProfSingleProcessPrivilege	2844	service.exe
Token: SeIncBasePriorityPrivilege	2844	service.exe
Token: SeCreatePagefilePrivilege	2844	service.exe
Token: SeBackupPrivilege	2844	service.exe
Token: SeRestorePrivilege	2844	service.exe
Token: SeShutdownPrivilege	2844	service.exe
Token: SeDebugPrivilege	2844	service.exe
Token: SeSystemEnvironmentPrivilege	2844	service.exe
Token: SeChangeNotifyPrivilege	2844	service.exe
Token: SeRemoteShutdownPrivilege	2844	service.exe
Token: SeUndockPrivilege	2844	service.exe
Token: SeManageVolumePrivilege	2844	service.exe
Token: SeImpersonatePrivilege	2844	service.exe
Token: SeCreateGlobalPrivilege	2844	service.exe
Token: 33	2844	service.exe
Token: 34	2844	service.exe
Token: 35	2844	service.exe
Token: SeIncreaseQuotaPrivilege	2116	msdcsc.exe
Token: SeSecurityPrivilege	2116	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2116	msdcsc.exe
Token: SeLoadDriverPrivilege	2116	msdcsc.exe
Token: SeSystemProfilePrivilege	2116	msdcsc.exe
Token: SeSystemtimePrivilege	2116	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2116	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2116	msdcsc.exe
Token: SeCreatePagefilePrivilege	2116	msdcsc.exe
Token: SeBackupPrivilege	2116	msdcsc.exe
Token: SeRestorePrivilege	2116	msdcsc.exe
Token: SeShutdownPrivilege	2116	msdcsc.exe
Token: SeDebugPrivilege	2116	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2116	msdcsc.exe
Token: SeChangeNotifyPrivilege	2116	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2116	msdcsc.exe
Token: SeUndockPrivilege	2116	msdcsc.exe
Token: SeManageVolumePrivilege	2116	msdcsc.exe
Token: SeImpersonatePrivilege	2116	msdcsc.exe
Token: SeCreateGlobalPrivilege	2116	msdcsc.exe
Token: 33	2116	msdcsc.exe
Token: 34	2116	msdcsc.exe
Token: 35	2116	msdcsc.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
2764	service.exe
2700	service.exe
1376	msdcsc.exe
2016	msdcsc.exe
2116	msdcsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2480	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	28
PID 2164 wrote to memory of 2480	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	28
PID 2164 wrote to memory of 2480	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	28
PID 2164 wrote to memory of 2480	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	28
PID 2480 wrote to memory of 2736	2480	cmd.exe	30
PID 2480 wrote to memory of 2736	2480	cmd.exe	30
PID 2480 wrote to memory of 2736	2480	cmd.exe	30
PID 2480 wrote to memory of 2736	2480	cmd.exe	30
PID 2164 wrote to memory of 2764	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	31
PID 2164 wrote to memory of 2764	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	31
PID 2164 wrote to memory of 2764	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	31
PID 2164 wrote to memory of 2764	2164	085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe	31
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2764 wrote to memory of 2700	2764	service.exe	32
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2700 wrote to memory of 2844	2700	service.exe	33
PID 2844 wrote to memory of 2888	2844	service.exe	34
PID 2844 wrote to memory of 2888	2844	service.exe	34
PID 2844 wrote to memory of 2888	2844	service.exe	34
PID 2844 wrote to memory of 2888	2844	service.exe	34
PID 2844 wrote to memory of 3040	2844	service.exe	36
PID 2844 wrote to memory of 3040	2844	service.exe	36
PID 2844 wrote to memory of 3040	2844	service.exe	36
PID 2844 wrote to memory of 3040	2844	service.exe	36
PID 2844 wrote to memory of 1620	2844	service.exe	38
PID 2844 wrote to memory of 1620	2844	service.exe	38
PID 2844 wrote to memory of 1620	2844	service.exe	38
PID 2844 wrote to memory of 1620	2844	service.exe	38
PID 2844 wrote to memory of 1824	2844	service.exe	40
PID 2844 wrote to memory of 1824	2844	service.exe	40
PID 2844 wrote to memory of 1824	2844	service.exe	40
PID 2844 wrote to memory of 1824	2844	service.exe	40
PID 2888 wrote to memory of 1960	2888	cmd.exe	41
PID 2888 wrote to memory of 1960	2888	cmd.exe	41
PID 2888 wrote to memory of 1960	2888	cmd.exe	41
PID 2888 wrote to memory of 1960	2888	cmd.exe	41
PID 3040 wrote to memory of 1576	3040	cmd.exe	43
PID 3040 wrote to memory of 1576	3040	cmd.exe	43
PID 3040 wrote to memory of 1576	3040	cmd.exe	43
PID 3040 wrote to memory of 1576	3040	cmd.exe	43
PID 2844 wrote to memory of 1376	2844	service.exe	44
PID 2844 wrote to memory of 1376	2844	service.exe	44
PID 2844 wrote to memory of 1376	2844	service.exe	44
PID 2844 wrote to memory of 1376	2844	service.exe	44
PID 1376 wrote to memory of 2016	1376	msdcsc.exe	45
PID 1376 wrote to memory of 2016	1376	msdcsc.exe	45

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
1960	attrib.exe
1576	attrib.exe

C:\Users\Admin\AppData\Local\Temp\085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\085a4a5430ccb482aaf5e1f428b2e035_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\259399632.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Microsoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\service.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2736
- C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\service.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2700
  - - C:\Users\Admin\AppData\Roaming\Microsoft\service.exe
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2844
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2888
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib "C:\Users\Admin\AppData\Roaming\Microsoft" +s +h
        6⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:1960
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3040
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib "C:\Users\Admin\AppData\Roaming\Microsoft" +s +h
        6⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:1576
    - - C:\Users\Admin\AppData\Local\Temp\SERVICES.EXE
        
        "C:\Users\Admin\AppData\Local\Temp\SERVICES.EXE"
        5⤵
        Executes dropped EXE
        
        PID:1620
      - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        
        dw20.exe -x -s 820
        6⤵
        
        PID:1704
    - - C:\Users\Admin\AppData\Local\Temp\WINDOWSLOGIN.EXE
        
        "C:\Users\Admin\AppData\Local\Temp\WINDOWSLOGIN.EXE"
        5⤵
        Executes dropped EXE
        
        PID:1824
      - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        
        dw20.exe -x -s 828
        6⤵
        Suspicious behavior: GetForegroundWindowSpam
        
        PID:2956
    - - C:\MSDCSC\msdcsc.exe
        
        "C:\MSDCSC\msdcsc.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1376
      - C:\MSDCSC\msdcsc.exe
        
        C:\MSDCSC\msdcsc.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        
        PID:2016
        
        C:\MSDCSC\msdcsc.exe
        
        7⤵
        Modifies firewall policy service
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        Adds Run key to start application
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        System policy modification
        
        PID:2116

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