General

  • Target

    dd5851b5ab04287b30ed4d1bed6f7940d256849c8d6cfc9936df59afa4c328aa.sh

  • Size

    1KB

  • Sample

    250218-d4hejawrhn

  • MD5

    d011eee1c3ee60b1a1db3ae1e9e65ad6

  • SHA1

    18f4cee16484157375f8bbcf21acca220a258d66

  • SHA256

    dd5851b5ab04287b30ed4d1bed6f7940d256849c8d6cfc9936df59afa4c328aa

  • SHA512

    ed73548c60e65449f31d4bc5ca644d2f59e72d0843a24b3236707338fbed8e26ed608897d0c5a26a971357e7d28b92a9ecb6d8d76d5f7d55e93bf0aa3dd3f6ac

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      dd5851b5ab04287b30ed4d1bed6f7940d256849c8d6cfc9936df59afa4c328aa.sh

    • Size

      1KB

    • MD5

      d011eee1c3ee60b1a1db3ae1e9e65ad6

    • SHA1

      18f4cee16484157375f8bbcf21acca220a258d66

    • SHA256

      dd5851b5ab04287b30ed4d1bed6f7940d256849c8d6cfc9936df59afa4c328aa

    • SHA512

      ed73548c60e65449f31d4bc5ca644d2f59e72d0843a24b3236707338fbed8e26ed608897d0c5a26a971357e7d28b92a9ecb6d8d76d5f7d55e93bf0aa3dd3f6ac

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (173171) 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.

    • Deletes itself

    • Executes dropped EXE

    • 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