Analysis

  • max time kernel
    99s
  • max time network
    154s
  • 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
    29-12-2024 01:57

General

  • Target

    db0fa4b8db0333367e9bda3ab68b8042.arm7.elf

  • Size

    58KB

  • MD5

    50efda01ca3ecca5b47872216f029e40

  • SHA1

    c1d94dfb10f5fb7c4b3331283ad3e1552c7959f3

  • SHA256

    0751f7565fc30f43e9c8a482aaacb7d8ebce13f8c932800338d923e1b579d89e

  • SHA512

    fad99fc056412d7b58a2c616bf10210b976cc74bd4c123e29b7d478b1ea963eb06a74efbf1571c33ecbf932a3cb8c749995683a6b7b160d046b97e96f9cfcf46

  • SSDEEP

    1536:62w1MM/IwPkVkqzE+efp/OuwFrJ5t792bLF9IM3/P95:62mnFP+WF0p5AcO3H

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (210099) 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 running processes

    Discovers information about currently running processes on the system

  • Writes file to system bin folder 2 IoCs
  • Changes its process name 1 IoCs
  • Reads runtime system information 56 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm7.elf
    /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm7.elf
    1⤵
    • Modifies Watchdog functionality
    • Writes file to system bin folder
    • Changes its process name
    • Reads runtime system information
    PID:661

Network

MITRE ATT&CK Enterprise v15

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