Overview

overview

10

Static

static

5

b3astmode.x86.elf

ubuntu-22.04-amd64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20240611-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    13-12-2024 00:01

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General

  • Target

    b3astmode.x86.elf

  • Size

    22KB

  • MD5

    873c6ba01596fdbb9c469fe1e0180243

  • SHA1

    9236be2f17ba4d7422bf8f579d95c6226d3eaa48

  • SHA256

    9959896b86d7dcb455c0f9d61ba74b19a3dc638ad08b51c4038ea5f092846170

  • SHA512

    f218dc4f64b089abae03e2c996d016e71021cb353d35c034db147b4b083453085ee74273d119dc6e7440b5ccad2e00acaada435a10910a6af4a92f071a0ed1ee

  • SSDEEP

    384:MtVLyqN/Dl5oEQGE7ezVwuGuhsmCX7gPjS1FY+9agANaNJawcudoD7UqeMN9xN:ME6/D/qGE7eBhsLrG+UynbcuyD7UM7X

Score
10/10
miraiunstbotnetdefense_evasiondiscovery

Malware Config

Extracted

Family

mirai

Botnet

UNST

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

    botnetmirai
  • Mirai family
    mirai
  • Contacts a large (70687) 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 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/b3astmode.x86.elf
    /tmp/b3astmode.x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system network configuration
    • Reads runtime system information
    PID:1587

Network

MITRE ATT&CK Enterprise v15

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