General

  • Target

    splmpsl.elf

  • Size

    74KB

  • Sample

    250210-14meta1khy

  • MD5

    8dc5bbcae49ea264490404f40004f12a

  • SHA1

    a780c58ef1e3969320cc0363ed992c4d4d0bec16

  • SHA256

    7d5f6cd8bd60edcefe3bf2cc6471d715193ba14dff7fcfcd4f0a5447a9525d91

  • SHA512

    f7fb97034a1ad691f55c0f45042a9a62e2fc16847f1e19374ed6e1bc68185909eb8177574d7caf7d53c37ab6a3560873458cb2f7a2f6d2363035defbac6395c6

  • SSDEEP

    1536:1a1bQWaJus8f90gHiuEd0XUeEQS8AW6zxzNQy0Na:1WUWaJus8fOx0XUeUQg

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      splmpsl.elf

    • Size

      74KB

    • MD5

      8dc5bbcae49ea264490404f40004f12a

    • SHA1

      a780c58ef1e3969320cc0363ed992c4d4d0bec16

    • SHA256

      7d5f6cd8bd60edcefe3bf2cc6471d715193ba14dff7fcfcd4f0a5447a9525d91

    • SHA512

      f7fb97034a1ad691f55c0f45042a9a62e2fc16847f1e19374ed6e1bc68185909eb8177574d7caf7d53c37ab6a3560873458cb2f7a2f6d2363035defbac6395c6

    • SSDEEP

      1536:1a1bQWaJus8f90gHiuEd0XUeEQS8AW6zxzNQy0Na:1WUWaJus8fOx0XUeUQg

    • Contacts a large (53079) 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.

    • Deletes itself

    • Modifies Watchdog functionality

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

    • Renames itself

    • Unexpected DNS network traffic destination

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

MITRE ATT&CK Enterprise v15

Tasks