Overview

overview

10

Static

static

10

b3astmode.arm5.elf

debian-9-armhf

9

Analysis

  • max time kernel
    143s
  • max time network
    160s
  • 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
    13-12-2024 00:00

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General

  • Target

    b3astmode.arm5.elf

  • Size

    49KB

  • MD5

    d585800f95f4f716d9faf633ebaa9433

  • SHA1

    ddf0a2bf2db94565ff0195178c35464c461bba26

  • SHA256

    ff3b43f66762a8b39fe29e4a99079f6086a9963015140775aa3ac5fe427ec558

  • SHA512

    af4c64a694d237e9994abaae75a5444050bbf87726b0d0025bdbcc94ce307b785ff93d79504069b390e51583db7fbc1735d164254bc3822b33154b96f6b94122

  • SSDEEP

    1536:YJC99wkrPYGtZo4i6E7HrbH+AbWmr+F4j2a:YJCbmNdX

Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (67659) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

    defense_evasion
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • 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.

    discovery
  • Reads runtime system information 50 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/b3astmode.arm5.elf
    /tmp/b3astmode.arm5.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system network configuration
    • Reads runtime system information
    PID:654

Network

MITRE ATT&CK Enterprise v15

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