darkcomet | 0c665dd5d03c805679f78902dbc226d065a46531767a615b17fd97f6344f9cf4

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

Modifies firewall policy service 2 TTPs 3 IoCs

Modify Registry

Windows Service

Processes:

msdcsc.exe

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

Processes:

msdcsc.exe

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

Processes:

msdcsc.exe

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

Disables RegEdit via registry modification 1 IoCs

Processes:

msdcsc.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "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

Processes:

attrib.exeattrib.exe

pid	Process
2696	attrib.exe
2044	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

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
4048	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

msdcsc.exe

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

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	msdcsc.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

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid	Process
4048	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeSecurityPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeBackupPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeRestorePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeShutdownPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeDebugPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeUndockPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: 33	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: 34	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: 35	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: 36	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4048	msdcsc.exe
Token: SeSecurityPrivilege	4048	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4048	msdcsc.exe
Token: SeLoadDriverPrivilege	4048	msdcsc.exe
Token: SeSystemProfilePrivilege	4048	msdcsc.exe
Token: SeSystemtimePrivilege	4048	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4048	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4048	msdcsc.exe
Token: SeCreatePagefilePrivilege	4048	msdcsc.exe
Token: SeBackupPrivilege	4048	msdcsc.exe
Token: SeRestorePrivilege	4048	msdcsc.exe
Token: SeShutdownPrivilege	4048	msdcsc.exe
Token: SeDebugPrivilege	4048	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4048	msdcsc.exe
Token: SeChangeNotifyPrivilege	4048	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4048	msdcsc.exe
Token: SeUndockPrivilege	4048	msdcsc.exe
Token: SeManageVolumePrivilege	4048	msdcsc.exe
Token: SeImpersonatePrivilege	4048	msdcsc.exe
Token: SeCreateGlobalPrivilege	4048	msdcsc.exe
Token: 33	4048	msdcsc.exe
Token: 34	4048	msdcsc.exe
Token: 35	4048	msdcsc.exe
Token: 36	4048	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
4048	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.execmd.execmd.exemsdcsc.exe

description	pid	Process	procid_target
PID 4756 wrote to memory of 3420	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	84
PID 4756 wrote to memory of 3420	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	84
PID 4756 wrote to memory of 3420	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	84
PID 4756 wrote to memory of 1460	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	85
PID 4756 wrote to memory of 1460	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	85
PID 4756 wrote to memory of 1460	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	85
PID 3420 wrote to memory of 2696	3420	cmd.exe	88
PID 3420 wrote to memory of 2696	3420	cmd.exe	88
PID 3420 wrote to memory of 2696	3420	cmd.exe	88
PID 1460 wrote to memory of 2044	1460	cmd.exe	89
PID 1460 wrote to memory of 2044	1460	cmd.exe	89
PID 1460 wrote to memory of 2044	1460	cmd.exe	89
PID 4756 wrote to memory of 4048	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	90
PID 4756 wrote to memory of 4048	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	90
PID 4756 wrote to memory of 4048	4756	1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe	90
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91
PID 4048 wrote to memory of 3684	4048	msdcsc.exe	91

System policy modification 1 TTPs 3 IoCs

Modify Registry

Processes:

msdcsc.exe

description	ioc	Process
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2696	attrib.exe
2044	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fe626bf863003dcbc182ff06555eda8_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:4756
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3420
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\1fe626bf863003dcbc182ff06555eda8_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2044
- C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Roaming\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 behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4048
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:3684

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 Tools

T1562.001

Modify Registry