General

  • Target
    chunk.sh
  • Size 6KB
  • Sample260807-wt9p5stxhs
  • SHA256 62b13c317e8b8cb4e414e5951ea2821892d4703c3d54d39e7ad5da8310687440
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • LZRD

Extracted

Family
  • mirai

Botnet
  • LZRD

C2
  • 8.8.8.8

  • 94.154.43.46

Targets

    • Target
      chunk.sh
    • Size 6KB
    • SHA256 62b13c317e8b8cb4e414e5951ea2821892d4703c3d54d39e7ad5da8310687440
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Modifies Watchdog functionality

      Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    • Creates/modifies Cron job

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

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • 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.

    • Writes file to system bin folder

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks