General

  • Target

    kre4per.arm.elf

  • Size

    62KB

  • Sample

    250217-l3g2daxrdm

  • MD5

    f6afdcbcd5fa63180026542c1d431e9d

  • SHA1

    13922db0b825bb8ddef4ed653d35a98ef4e3f8b3

  • SHA256

    e33e98eb90c09ecc24ce81706969766930e24690b9ce7bd7770aaf43f73c8e2d

  • SHA512

    7241ac001a61ed4ba4e15966aa597dd5c4f0282a19fbd4113084dbea94d28b3b2cb9440e40b85991fca8d2838f0bbb089336ebec51907270cc42197e2a9a7502

  • SSDEEP

    1536:gP1IwP44TCRfNdbYakabDrzKQlG9Wcq8JJTId42+:gP7V4sazKUG9bqAJTQ

Malware Config

Extracted

Family

mirai

Botnet

KURC

Targets

    • Target

      kre4per.arm.elf

    • Size

      62KB

    • MD5

      f6afdcbcd5fa63180026542c1d431e9d

    • SHA1

      13922db0b825bb8ddef4ed653d35a98ef4e3f8b3

    • SHA256

      e33e98eb90c09ecc24ce81706969766930e24690b9ce7bd7770aaf43f73c8e2d

    • SHA512

      7241ac001a61ed4ba4e15966aa597dd5c4f0282a19fbd4113084dbea94d28b3b2cb9440e40b85991fca8d2838f0bbb089336ebec51907270cc42197e2a9a7502

    • SSDEEP

      1536:gP1IwP44TCRfNdbYakabDrzKQlG9Wcq8JJTId42+:gP7V4sazKUG9bqAJTQ

    • Contacts a large (117351) 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.

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks