General

  • Target
    e55a695d2530b3fb5c80256f6036de29.elf
  • Size 1.9MB
  • Sample241102-dcw4lsxhrd
  • SHA256 ce2944509d3936280343639c38ed5240f0a35c8d1dd63a00ce0eef1052325124
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • kaiji

C2
  • ss.us-tv.top:1930

Targets

    • Target
      e55a695d2530b3fb5c80256f6036de29.elf
    • Size 1.9MB
    • SHA256 ce2944509d3936280343639c38ed5240f0a35c8d1dd63a00ce0eef1052325124
    • MD5 SHA1 SHA512 SSDEEP
    • Kaiji

      Kaiji payload

    • Kaiji family

    • 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.

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies systemd

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

    • Write file to user bin folder

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v15

Tasks