Overview

overview

10

Static

static

10

x86.elf

ubuntu-22.04-amd64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    16-12-2024 09:28

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General

  • Target

    x86.elf

  • Size

    54KB

  • MD5

    448299ea09222114fcbbc43a647604e1

  • SHA1

    ab09cdb797afb64d7a49806d09ebea50f7acea6a

  • SHA256

    0a2bb8f1e08010f0775a98dc698728a5dbb306038549eba91a3ca46c3b0771f1

  • SHA512

    b9389aafc318d05b4df8fe1d730b75588d0fbfc0d6a8ef00bf1d880ab908a834ec12883bb999b92862d6c6e922ea69d8f1843c35e0f7bcde76dd57a0e81443ce

  • SSDEEP

    1536:JeESt/basV2rcZhG6ySN7nauRe9xzWOIaEjrqMY:JeESt/basVTgS7nauw9BtXEST

Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (37620) 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
  • 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/x86.elf
    /tmp/x86.elf
    1⤵
    • Changes its process name
    PID:1570
    • /bin/sh
      sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /1�������/tmp/x86.elf�����oD��� bin/systemd; chmod 777 bin/systemd"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:1571
      • /usr/bin/rm
        rm -rf bin/systemd
        3⤵
          PID:1572
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:1573
        • /usr/bin/mv
          mv "/1�������/tmp/x86.elf�����oD���" bin/systemd
          3⤵
          • Reads runtime system information
          PID:1574
        • /usr/bin/chmod
          chmod 777 bin/systemd
          3⤵
          • File and Directory Permissions Modification
          PID:1575

    Network

    MITRE ATT&CK Enterprise v15

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