General

  • Target

    https://cdn.discordapp.com/attachments/1269226715406929953/1315030237461086398/Zorara1_1.rar?ex=6755ecd8&is=67549b58&hm=342942b3325c6d4cc071d538bee1cf51aaf560283814f73fd35c534defd6c7fc&

  • Sample

    241207-x2ncjstrfj

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1269226715406929953/1315030237461086398/Zorara1_1.rar?ex=6755ecd8&is=67549b58&hm=342942b3325c6d4cc071d538bee1cf51aaf560283814f73fd35c534defd6c7fc&

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks