General

  • Target
    reaver.mips.elf
  • Size 239KB
  • Sample260829-e27gbawvbw
  • SHA256 5d7d7c4c8f67db20efa5b5bc3ca2daae643daee229421d22969f9fcb270eba20
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      reaver.mips.elf
    • Size 239KB
    • SHA256 5d7d7c4c8f67db20efa5b5bc3ca2daae643daee229421d22969f9fcb270eba20
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies the dynamic linker configuration file

      Malware can modify the configuration file of the dynamic linker to preload malicous libraries with every executed process.

    • Deletes itself

    • Modifies the /etc/hosts DNS resolution file

      Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v16

Tasks