darkcomet | 0cfc6bea1dfeb59b7fb4dd314ad00f2d54a9468e2e7246f992fe2102dd5a64ab

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.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

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"	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
5420	attrib.exe
4244	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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe

Executes dropped EXE 1 IoCs

pid	Process
5584	msdcsc.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"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe

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 6 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_84257ae9a5e636449f4e9d1fd654f87e.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeSecurityPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeTakeOwnershipPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeLoadDriverPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeSystemProfilePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeSystemtimePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeProfSingleProcessPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeIncBasePriorityPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeCreatePagefilePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeBackupPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeRestorePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeShutdownPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeDebugPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeSystemEnvironmentPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeChangeNotifyPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeRemoteShutdownPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeUndockPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeManageVolumePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeImpersonatePrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeCreateGlobalPrivilege	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: 33	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: 34	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: 35	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: 36	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
Token: SeIncreaseQuotaPrivilege	5584	msdcsc.exe
Token: SeSecurityPrivilege	5584	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5584	msdcsc.exe
Token: SeLoadDriverPrivilege	5584	msdcsc.exe
Token: SeSystemProfilePrivilege	5584	msdcsc.exe
Token: SeSystemtimePrivilege	5584	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5584	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5584	msdcsc.exe
Token: SeCreatePagefilePrivilege	5584	msdcsc.exe
Token: SeBackupPrivilege	5584	msdcsc.exe
Token: SeRestorePrivilege	5584	msdcsc.exe
Token: SeShutdownPrivilege	5584	msdcsc.exe
Token: SeDebugPrivilege	5584	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5584	msdcsc.exe
Token: SeChangeNotifyPrivilege	5584	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5584	msdcsc.exe
Token: SeUndockPrivilege	5584	msdcsc.exe
Token: SeManageVolumePrivilege	5584	msdcsc.exe
Token: SeImpersonatePrivilege	5584	msdcsc.exe
Token: SeCreateGlobalPrivilege	5584	msdcsc.exe
Token: 33	5584	msdcsc.exe
Token: 34	5584	msdcsc.exe
Token: 35	5584	msdcsc.exe
Token: 36	5584	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5584	msdcsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 4920	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	94
PID 3620 wrote to memory of 4920	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	94
PID 3620 wrote to memory of 4920	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	94
PID 3620 wrote to memory of 5072	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	96
PID 3620 wrote to memory of 5072	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	96
PID 3620 wrote to memory of 5072	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	96
PID 4920 wrote to memory of 5420	4920	cmd.exe	98
PID 4920 wrote to memory of 5420	4920	cmd.exe	98
PID 4920 wrote to memory of 5420	4920	cmd.exe	98
PID 5072 wrote to memory of 4244	5072	cmd.exe	99
PID 5072 wrote to memory of 4244	5072	cmd.exe	99
PID 5072 wrote to memory of 4244	5072	cmd.exe	99
PID 3620 wrote to memory of 5584	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	100
PID 3620 wrote to memory of 5584	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	100
PID 3620 wrote to memory of 5584	3620	JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe	100

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
5420	attrib.exe
4244	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84257ae9a5e636449f4e9d1fd654f87e.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:5420
- 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:5072
- - 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:4244
- C:\MSDCSC\msdcsc.exe
  "C:\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:5584

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