General

  • Target
    zyxel.sh
  • Size 4KB
  • Sample251219-pxjvka1pcz
  • SHA256 a8bf7fd01bb4a16af2fa1b13165f0f2c4753c3271feac14690d4dc6bb3268da0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • mirai

Botnet
  • UNSTABLE

C2
  • cnc.504.su

  • scan.504.su

Extracted

Family
  • mirai

Botnet
  • UNSTABLE

C2
  • cnc.504.su

  • scan.504.su

Extracted

Family
  • mirai

Botnet
  • UNSTABLE

C2
  • cnc.504.su

  • scan.504.su

Targets

    • Target
      zyxel.sh
    • Size 4KB
    • SHA256 a8bf7fd01bb4a16af2fa1b13165f0f2c4753c3271feac14690d4dc6bb3268da0
    • MD5 SHA1 SHA512 SSDEEP
    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (64513) 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

    • Modifies Watchdog functionality

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

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v16

Tasks