General

  • Target

    466a8626f77a8ad68784cd2cfb3cacb409263412517a852a999172659f1f47ae

  • Size

    300KB

  • Sample

    221125-ky1r9afa39

  • MD5

    4a1719ae5fd58f4330444520bbd5c338

  • SHA1

    9b27cc582e83049a206c0e637e664c4eb5ae6c56

  • SHA256

    466a8626f77a8ad68784cd2cfb3cacb409263412517a852a999172659f1f47ae

  • SHA512

    a10a2702e9201520d1d5b38b271793150aed420fffcf3c9083ba4af3c5c645145590b35d12a2e7c2cc2951aac5debded0b8acbd3322eff227b20a80d19dac160

  • SSDEEP

    3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPto:2IIKXhZtL7jOTyIG87X

Malware Config

Targets

    • Target

      466a8626f77a8ad68784cd2cfb3cacb409263412517a852a999172659f1f47ae

    • Size

      300KB

    • MD5

      4a1719ae5fd58f4330444520bbd5c338

    • SHA1

      9b27cc582e83049a206c0e637e664c4eb5ae6c56

    • SHA256

      466a8626f77a8ad68784cd2cfb3cacb409263412517a852a999172659f1f47ae

    • SHA512

      a10a2702e9201520d1d5b38b271793150aed420fffcf3c9083ba4af3c5c645145590b35d12a2e7c2cc2951aac5debded0b8acbd3322eff227b20a80d19dac160

    • SSDEEP

      3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPto:2IIKXhZtL7jOTyIG87X

    • Modifies the Watchdog daemon

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

    • Writes file to system bin folder

    • Modifies hosts file

      Adds to hosts file used for mapping hosts to IP addresses.

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Creates a large amount of network flows

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Enterprise v6

Tasks