darkcomet | a9b06c582a33077f022a158526d7b740b45634df15e049d85c484283585be2f7

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.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

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1044	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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.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 3 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1044	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeSecurityPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeBackupPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeRestorePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeShutdownPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeDebugPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeUndockPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: 33	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: 34	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: 35	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: 36	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1044	msdcsc.exe
Token: SeSecurityPrivilege	1044	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1044	msdcsc.exe
Token: SeLoadDriverPrivilege	1044	msdcsc.exe
Token: SeSystemProfilePrivilege	1044	msdcsc.exe
Token: SeSystemtimePrivilege	1044	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1044	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1044	msdcsc.exe
Token: SeCreatePagefilePrivilege	1044	msdcsc.exe
Token: SeBackupPrivilege	1044	msdcsc.exe
Token: SeRestorePrivilege	1044	msdcsc.exe
Token: SeShutdownPrivilege	1044	msdcsc.exe
Token: SeDebugPrivilege	1044	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1044	msdcsc.exe
Token: SeChangeNotifyPrivilege	1044	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1044	msdcsc.exe
Token: SeUndockPrivilege	1044	msdcsc.exe
Token: SeManageVolumePrivilege	1044	msdcsc.exe
Token: SeImpersonatePrivilege	1044	msdcsc.exe
Token: SeCreateGlobalPrivilege	1044	msdcsc.exe
Token: 33	1044	msdcsc.exe
Token: 34	1044	msdcsc.exe
Token: 35	1044	msdcsc.exe
Token: 36	1044	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1044	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1044	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe	90
PID 2544 wrote to memory of 1044	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe	90
PID 2544 wrote to memory of 1044	2544	e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe	90
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91
PID 1044 wrote to memory of 3708	1044	msdcsc.exe	91

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

C:\Users\Admin\AppData\Local\Temp\e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e13b4122e9fe0b01964fc5c281faca9c_JaffaCakes118.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:2544
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1044
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3708

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry