General

  • Target
    mipsel.elf
  • Size 192KB
  • Sample260807-b3axysvfnf
  • SHA256 9fb7734eff92e7186fc51250c305b087df7c7c0698ab6a987a5027c0507b38e8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      mipsel.elf
    • Size 192KB
    • SHA256 9fb7734eff92e7186fc51250c305b087df7c7c0698ab6a987a5027c0507b38e8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Indicator Removal: Clear Command History

      Adversaries may remove indicators of compromise from the host to evade detection.

    • Deletes itself

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

    • Disables AppArmor Mandatory Access Control

      Stops or disables AppArmor via systemctl, removing mandatory access control restrictions on process capabilities and file access.

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • 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.

    • Deletes log files

      Deletes log files on the system.

    • Disables SELinux

      Disables SELinux security module.

    • Enumerates running processes

      Discovers information about currently running processes on the system

MITRE ATT&CK Enterprise v16

Tasks