Resubmissions

07/08/2026, 14:31

260807-rv7vqaxdqd8

07/08/2026, 14:15

260807-rkyjasxcjd9

General

  • Target
    https://connect.bomjesus.br/67b37734c2ee033019e4b1ff
  • Sample260807-rkyjasxcjd

Malware Config

Targets

    • Target
      https://connect.bomjesus.br/67b37734c2ee033019e4b1ff
    • Renames multiple (6110) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Downloads MZ/PE file

    • 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

    • Loads dropped DLL

    • Modifies system executable filetype association

    • 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.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks