General

  • Target
    i486.elf
  • Size 64KB
  • Sample261003-3ynf2a1tfz
  • SHA256 00499f1a9eee6704252b483a4172495396bec2c56cc78787da99a38dd2548e9a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      i486.elf
    • Size 64KB
    • SHA256 00499f1a9eee6704252b483a4172495396bec2c56cc78787da99a38dd2548e9a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes itself

    • Deletes system logs

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

    • 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.

    • Deletes log files

      Deletes log files on the system.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies rc script

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

    • Modifies systemd

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks