Analysis

  • max time kernel
    77s
  • max time network
    151s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    05-01-2025 13:33

General

  • Target

    z0r0.arm7.elf

  • Size

    54KB

  • MD5

    c2905cce39023437182165f4c484b703

  • SHA1

    6a128613eca7ce76dc3a7e7bbe937575b54387b0

  • SHA256

    39081308223a95724d945655162b54baca50acaaeff5110b45e4ec521ac5e603

  • SHA512

    337fb0f5754be7e79639654f33d30be7402d289e2992712f00cece8f40ff5cf61a2f65dfeadaae809b056c980ec8d78f186d88fef01b6aeb4a687d3671c44d18

  • SSDEEP

    768:vrI61Jcg2i2c5H6/fATljJfMHSNr8YL6mW+1N+q3UIIvCdyGQqf8QKf7:vd1igmcE/oTlleSNvTRIvCgGQqfm7

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (147854) 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.

  • Writes file to system bin folder 2 IoCs
  • Changes its process name 1 IoCs
  • Reads runtime system information 14 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/z0r0.arm7.elf
    /tmp/z0r0.arm7.elf
    1⤵
    • Modifies Watchdog functionality
    • Writes file to system bin folder
    • Changes its process name
    • Reads runtime system information
    PID:707

Network

MITRE ATT&CK Enterprise v15

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