Overview

overview

10

Static

static

10

nullnet_load.x86.elf

ubuntu-18.04-amd64

9

Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260126-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260126-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04/03/2026, 08:22

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General

  • Target
    nullnet_load.x86.elf
  • Size 65KB
  • Sample260304-j9rhaae19j
  • SHA256 f89d25a12a3642fc6493fdb10967afb4d7ff12dcec9ddd4b5c4343e03aed97c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (114479) 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 running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 48 IoCs

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

    credential_access
  • Changes its process name 1 IoCs
  • Reads runtime system information 49 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/nullnet_load.x86.elf
    /tmp/nullnet_load.x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Reads process memory
    • Changes its process name
    • Reads runtime system information
    PID:1516

Network

        MITRE ATT&CK Enterprise v16

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