General

  • Target
    x86_64
  • Size 126KB
  • Sample261014-g4vxeaxt8k
  • SHA256 e6639284b7d5a26881c98ab4b3307d93a5faa7d5df99763c0e9168677254eb8e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      x86_64
    • Size 126KB
    • SHA256 e6639284b7d5a26881c98ab4b3307d93a5faa7d5df99763c0e9168677254eb8e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Mirai

    • Family: Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Executes dropped EXE

    • Modifies Watchdog functionality

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

    • Traces itself

      Traces itself to prevent debugging attempts

    • 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.

    • Deletes log files

      Deletes log files 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.

    • Write file to user bin folder

    • Writes file to system bin folder

    • Modifies Bash startup script

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks