darkcomet | 26141b1fba30a2e8c7fac7a3e313ceae8ab145dc37c09018cb71a9e9adde21bb

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
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	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "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
1348	attrib.exe
2260	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4188	msdcsc.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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4188	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeSecurityPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeBackupPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeRestorePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeShutdownPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeDebugPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeUndockPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: 33	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: 34	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: 35	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: 36	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4188	msdcsc.exe
Token: SeSecurityPrivilege	4188	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4188	msdcsc.exe
Token: SeLoadDriverPrivilege	4188	msdcsc.exe
Token: SeSystemProfilePrivilege	4188	msdcsc.exe
Token: SeSystemtimePrivilege	4188	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4188	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4188	msdcsc.exe
Token: SeCreatePagefilePrivilege	4188	msdcsc.exe
Token: SeBackupPrivilege	4188	msdcsc.exe
Token: SeRestorePrivilege	4188	msdcsc.exe
Token: SeShutdownPrivilege	4188	msdcsc.exe
Token: SeDebugPrivilege	4188	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4188	msdcsc.exe
Token: SeChangeNotifyPrivilege	4188	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4188	msdcsc.exe
Token: SeUndockPrivilege	4188	msdcsc.exe
Token: SeManageVolumePrivilege	4188	msdcsc.exe
Token: SeImpersonatePrivilege	4188	msdcsc.exe
Token: SeCreateGlobalPrivilege	4188	msdcsc.exe
Token: 33	4188	msdcsc.exe
Token: 34	4188	msdcsc.exe
Token: 35	4188	msdcsc.exe
Token: 36	4188	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4188	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 5064	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	83
PID 3660 wrote to memory of 5064	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	83
PID 3660 wrote to memory of 5064	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	83
PID 3660 wrote to memory of 2584	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	85
PID 3660 wrote to memory of 2584	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	85
PID 3660 wrote to memory of 2584	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	85
PID 5064 wrote to memory of 1348	5064	cmd.exe	87
PID 5064 wrote to memory of 1348	5064	cmd.exe	87
PID 5064 wrote to memory of 1348	5064	cmd.exe	87
PID 2584 wrote to memory of 2260	2584	cmd.exe	88
PID 2584 wrote to memory of 2260	2584	cmd.exe	88
PID 2584 wrote to memory of 2260	2584	cmd.exe	88
PID 3660 wrote to memory of 4188	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	89
PID 3660 wrote to memory of 4188	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	89
PID 3660 wrote to memory of 4188	3660	0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe	89
PID 4188 wrote to memory of 5020	4188	msdcsc.exe	90
PID 4188 wrote to memory of 5020	4188	msdcsc.exe	90
PID 4188 wrote to memory of 5020	4188	msdcsc.exe	90
PID 4188 wrote to memory of 4504	4188	msdcsc.exe	91
PID 4188 wrote to memory of 4504	4188	msdcsc.exe	91

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
1348	attrib.exe
2260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ec5f56552d447af0d63913d3803af6a_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:1348
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2260
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - 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
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4188
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:5020
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:4504

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