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General

  • Target

    jew.arm7.elf

  • Size

    128KB

  • Sample

    230708-r75wwsfh6x

  • MD5

    2d367e134aac4a8ecf911a242c9b4ae2

  • SHA1

    f7e13c3c9cd1c82089ea76e2192bc6976f42aeb6

  • SHA256

    8c944440b6f0d0c42ae8fbef8701bfd801d6b2ca5ecffdaa0e7e6ca1a201fd51

  • SHA512

    83939c35ca2519a5a0f61556f34d3f3b2925ad3477a252672c29e0362f7368d6c31bf66f9a91a1f7ab3b2d22884aca0157d7682e1a2057942c9643cdc3f70702

  • SSDEEP

    3072:ho9lg+zhz3sJu1NHLL8XmiC/glLCZT5HHlOM/9d0Yj:W9lgahz3sE1lcmiC/g1CvHHcM/9mYj

Score
10/10

Malware Config

Extracted

Family

mirai

Botnet

KURC

Targets

    • Target

      jew.arm7.elf

    • Size

      128KB

    • MD5

      2d367e134aac4a8ecf911a242c9b4ae2

    • SHA1

      f7e13c3c9cd1c82089ea76e2192bc6976f42aeb6

    • SHA256

      8c944440b6f0d0c42ae8fbef8701bfd801d6b2ca5ecffdaa0e7e6ca1a201fd51

    • SHA512

      83939c35ca2519a5a0f61556f34d3f3b2925ad3477a252672c29e0362f7368d6c31bf66f9a91a1f7ab3b2d22884aca0157d7682e1a2057942c9643cdc3f70702

    • SSDEEP

      3072:ho9lg+zhz3sJu1NHLL8XmiC/glLCZT5HHlOM/9d0Yj:W9lgahz3sE1lcmiC/g1CvHHcM/9mYj

    Score
    9/10
    • Contacts a large (57182) 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.

    • Changes its process name

    • 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 v6

Tasks