Analysis

  • max time kernel
    108s
  • max time network
    153s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    11-12-2024 00:17

General

  • Target

    df1ca2c26c02f24a5b0a0a34b7143083_JaffaCakes118

  • Size

    61KB

  • MD5

    df1ca2c26c02f24a5b0a0a34b7143083

  • SHA1

    ec4a90a4007075e7b0298343a30d17cf86920d40

  • SHA256

    e424ae440a0cc64ae441a935d9165ccc0d169d2cd4fb122e1573d8c7b447dc3c

  • SHA512

    e6f0521bfa557b7a44b74fbda256e37cbda583921474a8d74e90761a60e5d5f51614b5c0929711bcf066e34aa82c24db9c3aeaafb4791051a16632c5fe92507c

  • SSDEEP

    1536:YMrnXCpJ1e5KK/6gKpETwnGcbWwFNyhFokniy:YAWqr/R3UxWYyYy

Malware Config

Extracted

Family

mirai

Botnet

KYTON

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (106346) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Writes file to system bin folder 1 IoCs
  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/df1ca2c26c02f24a5b0a0a34b7143083_JaffaCakes118
    /tmp/df1ca2c26c02f24a5b0a0a34b7143083_JaffaCakes118
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Writes file to system bin folder
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:647

Network

MITRE ATT&CK Enterprise v15

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