General

  • Target

    https://github.com/Endermanch/MalwareDatabase https://www.malwarebytes.com/premium?srsltid=AfmBOoqjVB5dOhi4GhzQnzlXR5hG6wM2TzUIeVVUSaF1ZBRIQ_Ky0f_B

  • Sample

    240824-ktjm6sthkp

Malware Config

Targets

    • Target

      https://github.com/Endermanch/MalwareDatabase https://www.malwarebytes.com/premium?srsltid=AfmBOoqjVB5dOhi4GhzQnzlXR5hG6wM2TzUIeVVUSaF1ZBRIQ_Ky0f_B

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Downloads MZ/PE file

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

MITRE ATT&CK Enterprise v15

Tasks