General

  • Target

    e98bb85e62e8f36b216d399715963ab80b8ba269e6131b8cb158fd9ef593aee8.elf

  • Size

    55KB

  • Sample

    250308-r6t31ayn16

  • MD5

    d17c759bcd89675f7781f21088898ddc

  • SHA1

    3c2b80ee94c8d5d8b5de9d70512c809bae0825d7

  • SHA256

    e98bb85e62e8f36b216d399715963ab80b8ba269e6131b8cb158fd9ef593aee8

  • SHA512

    23cbed514c7968b2a45aa90e7bf0d64607edb7cc7b807830296d8237c15bd90cc627a07301a3651fa6d8ef7f803e10364b07134921e8ba18a2dcd888c0204022

  • SSDEEP

    1536:rd1UhwH0Oo6AIX4Syya5FIt5OTusy9V/a3:rd1Uhw9BJaUbuty9Vi3

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      e98bb85e62e8f36b216d399715963ab80b8ba269e6131b8cb158fd9ef593aee8.elf

    • Size

      55KB

    • MD5

      d17c759bcd89675f7781f21088898ddc

    • SHA1

      3c2b80ee94c8d5d8b5de9d70512c809bae0825d7

    • SHA256

      e98bb85e62e8f36b216d399715963ab80b8ba269e6131b8cb158fd9ef593aee8

    • SHA512

      23cbed514c7968b2a45aa90e7bf0d64607edb7cc7b807830296d8237c15bd90cc627a07301a3651fa6d8ef7f803e10364b07134921e8ba18a2dcd888c0204022

    • SSDEEP

      1536:rd1UhwH0Oo6AIX4Syya5FIt5OTusy9V/a3:rd1Uhw9BJaUbuty9Vi3

    • Contacts a large (66065) 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.

    • 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