General

  • Target

    splx86.elf

  • Size

    50KB

  • Sample

    250310-ag9nqawsfw

  • MD5

    c4b8d345f8f89b5846fcf0309100fc59

  • SHA1

    3a089ef2fd5c38d6b84b7d1b893fb6153c0f386c

  • SHA256

    2ff55d37ea403262068981390a796d119dc788bae4b7f5cf9e5b49ee788db5e5

  • SHA512

    8e80a6c139acf1919f16b2b1242b77df0b7c3d5ebebcb71cff4fcc72762b4abafba7cb04fa431caf881d8dab01626e14a5d65acaa49409e3527ce08e96aafa7c

  • SSDEEP

    1536:ih+EyOT1u9M2zg8rdB7J2yvv4hypTT76WPe:ih+7E1u9M+fB7YyyKTTnm

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      splx86.elf

    • Size

      50KB

    • MD5

      c4b8d345f8f89b5846fcf0309100fc59

    • SHA1

      3a089ef2fd5c38d6b84b7d1b893fb6153c0f386c

    • SHA256

      2ff55d37ea403262068981390a796d119dc788bae4b7f5cf9e5b49ee788db5e5

    • SHA512

      8e80a6c139acf1919f16b2b1242b77df0b7c3d5ebebcb71cff4fcc72762b4abafba7cb04fa431caf881d8dab01626e14a5d65acaa49409e3527ce08e96aafa7c

    • SSDEEP

      1536:ih+EyOT1u9M2zg8rdB7J2yvv4hypTT76WPe:ih+7E1u9M+fB7YyyKTTnm

    • Contacts a large (66120) 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

MITRE ATT&CK Enterprise v15

Tasks