General

  • Target
    Cobra (2).rar
  • Size 98.6MB
  • Sample240331-qnrpgscd41
  • SHA256 75c9353529159326f6d57a331386bb1e460d8806d57711fcff8d133214ce8ba1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 147.78.103.53:2723

Attributes
  • Install_directory

    %AppData%

  • install_file

    CraxsRat.exe

  • telegram

    https://api.telegram.org/bot7165460947:AAH6f591Qm_-opaAI0oIFjzcZwmJpJlI7Ek/sendMessage?chat_id=5169736402

Targets

    • Target
      Cobra (2).rar
    • Size 98.6MB
    • SHA256 75c9353529159326f6d57a331386bb1e460d8806d57711fcff8d133214ce8ba1
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks