Analysis

  • max time kernel
    104s
  • max time network
    152s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    04-12-2024 18:48

General

  • Target

    armv6l.elf

  • Size

    174KB

  • MD5

    3d1248c7440cc303428a2546d8b2f2fd

  • SHA1

    c84ee7dc69bae0b67424c7abf45f76bc18558ae9

  • SHA256

    2d0189668bb07a0712cbf7ddc77358ff4156a48025d447bd8c42c10c0853ea47

  • SHA512

    89484e6cfe469bb3e63adfa2ae90f7f8dde3ef20b22289cc37459bbbf7cbf207ba69ff11707b0c582afdf4e792e3bf12da3fb6806b97d011c432325298e39799

  • SSDEEP

    3072:Pe1ywfQgR7Ee5ZiI/naVa1w/O/N2B1dLkHqsX43mGnWmgcygSw2EZAi:PMEyjaVa8OwdLkHqvmGnWmgcygSw2EZB

Malware Config

Signatures

  • Contacts a large (70535) 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.

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

Processes

  • /tmp/armv6l.elf
    /tmp/armv6l.elf
    1⤵
    • Modifies Watchdog functionality
    • Reads system routing table
    • Changes its process name
    • Reads system network configuration
    PID:709

Network

MITRE ATT&CK Enterprise v15

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