Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    26-07-2024 04:50

General

  • Target

    xd.arm7.elf

  • Size

    52KB

  • MD5

    b9171012c2de19c7b45f30b434786c54

  • SHA1

    6b3b9d0c01fa2e66b19de339f92beae1515ceed5

  • SHA256

    dc40d15923739b9f76a0fdd7713d18cc810ce6ddf92e60476f5999e19fd80e72

  • SHA512

    d23159984cccbc72ba3f6c0ac4d167a50b65aef9a0d21777871951237c3f7c3d1d6bb2ed35d3ed8e18089b98cb50f055aa47cdef972d323cb10224c4a1536574

  • SSDEEP

    768:fPyuZr6HxkmEt3VY92uqUZlKOzzOTMoUH27J+npoIs9q3UELVVhRLRP5/Jqpec1:Jq43VTU6OGg6+npT1LVVhRNRgpec1

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Contacts a large (20213) 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 55 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/xd.arm7.elf
    /tmp/xd.arm7.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system network configuration
    • Reads runtime system information
    PID:639

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/639-1-0x00008000-0x00029bc4-memory.dmp