Overview

overview

10

Static

static

7

sora.x86.elf

ubuntu-20.04-amd64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240221-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240221-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    23/04/2024, 10:51

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General

  • Target
    sora.x86.elf
  • Size 39KB
  • Sample240423-mxtnnafe92
  • SHA256 e46e14349d506e50bd7b0c760f86edfadbeb442f293ba6b5f41ddff0cb490caa
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
miraisorabotnetdiscovery

Malware Config

Extracted

Family

  • mirai

Botnet

  • SORA

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

    botnetmirai
  • Contacts a large (86119) 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.

  • 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

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

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/sora.x86.elf
    /tmp/sora.x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:1476

Network

        MITRE ATT&CK Enterprise v15

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