Overview

overview

10

Static

static

10

a9cfa78fcb...4b.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
    14-01-2025 03:00

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General

  • Target

    a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b.elf

  • Size

    75KB

  • MD5

    d0e41bbbdd2dfc55e138d300228887b7

  • SHA1

    157b9f9b631fe4d7628801bbfb88828524f55d54

  • SHA256

    a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b

  • SHA512

    67cc3688f0adea4fb898567d29c3d5cb162ca33f322d577d8fa6c267b273a2441930ab279916fcdc4aa9baa9dca87f2cf32fc95fd2694ccca72b72ae83058ec5

  • SSDEEP

    1536:dvBGpSzKkubpUa2jecqSR/JYHqrJw+e6+MFOPRkTZRbXPLz8wbZnx+5:hcpHblUaBczNeHqNw36FOPOZRTPLQwb/

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23991) 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/a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b.elf
    /tmp/a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:2464
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:2466
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:2467
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:2468
        • /usr/bin/mv
          mv /tmp/a9cfa78fcb204c246319dd3d3a47ce2fa17137a7924756c8b4688d227443d34b.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:2469
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:2470

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads