Overview

overview

10

Static

static

10

4a4d2cb9f3...b2.elf

ubuntu-24.04-amd64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-24.04_amd64
  • resource
    ubuntu2404-amd64-20240523-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
  • submitted
    14-12-2024 03:17

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General

  • Target

    4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2.elf

  • Size

    72KB

  • MD5

    5a7d6baa6e0ec7fe3e4b8d70f7c97598

  • SHA1

    5e320db909d429468d2ca012b7128a121272791b

  • SHA256

    4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2

  • SHA512

    b1527d6be58151dde7137d71dbd027827d466dc53089166fd5c13b93bf301aeaa86ea84a23b372b2e874d0e0c30459bffc9229dc83cda1f32c732032716f7666

  • SSDEEP

    1536:cGzNBMNqLIwpZnrjgOSu9RjO1xIS6VTMEEHa3B1b35AYwbZnp:xNegUAnjLRjOnIS6uEEeB1D5AYwbZnp

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23832) 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
  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • Changes its process name 1 IoCs
  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2.elf
    /tmp/4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:2477
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:2479
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:2480
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:2481
        • /usr/bin/mv
          mv /tmp/4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:2482
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:2483

    Network

    MITRE ATT&CK Enterprise v15

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