Resubmissions

23/08/2024, 20:52

240823-znppkawalc10

23/08/2024, 11:05

240823-m66dtasgqk10

22/08/2024, 19:52

240822-yllpfsxdrj10

General

  • Target
    MBSetup.exe
  • Size 2.5MB
  • Sample240823-znppkawalc
  • SHA256 de9c4e8b4b0c756eee4e39221c1e4e0e11c2e67effb828e27de3c4b4470ccff2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      MBSetup.exe
    • Size 2.5MB
    • SHA256 de9c4e8b4b0c756eee4e39221c1e4e0e11c2e67effb828e27de3c4b4470ccff2
    • MD5 SHA1 SHA512 SSDEEP
    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • 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.

    • Impair Defenses: Safe Mode Boot

    • Reads user/profile data of web browsers

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

    • 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

    • Enumerates connected drives

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • 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.

    • Modifies WinLogon for persistence

MITRE ATT&CK Enterprise v15

Tasks