General

  • Target
    l.sh
  • Size 923B
  • Sample241108-rrt5fstepb
  • SHA256 486bb184414a6bb37263ea568512e122fc35071a14edc1a0897e228ed98070c8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • mirai

Botnet
  • BOTNET

Targets

    • Target
      l.sh
    • Size 923B
    • SHA256 486bb184414a6bb37263ea568512e122fc35071a14edc1a0897e228ed98070c8
    • MD5 SHA1 SHA512
    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (257164) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Renames itself

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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

MITRE ATT&CK Enterprise v15

Tasks