Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    30/10/2026, 11:15

General

  • Target
    b3astmode.arm7.elf
  • Size 45KB
  • Sample261030-ncqa6sysdw
  • SHA256 5659ce381264cd5a8dbacaa30f09466acc628aa45f51e6e24165f68a3e3dc162
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • UNST

C2
  • 45.95.168.143

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai ARM payload 1 IoCs
  • Contacts a large (68016) 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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 38 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/b3astmode.arm7.elf
    /tmp/b3astmode.arm7.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system network configuration
    • Reads runtime system information
    PID:807

Network

        MITRE ATT&CK Enterprise v16

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