Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    05/10/2026, 16:48

General

  • Target
    x86.elf
  • Size 71KB
  • Sample261005-va915aaa87
  • SHA256 92129c63acfb139afcd10d43d29287e1da7fae14ac490b77a876ceb4bb483da0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • LZRD

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • 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.

  • Writes file to system bin folder 2 IoCs
  • Reads process memory 1 TTPs 1 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/x86.elf
    /tmp/x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Writes file to system bin folder
    • Reads process memory
    • Reads system network configuration
    • Reads runtime system information
    PID:1487

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads