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Overview

overview

10

Static

static

10

elitebotnet.arm7.elf

debian-12-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240729-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    13/01/2025, 09:32

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General

  • Target

    elitebotnet.arm7.elf

  • Size

    161KB

  • MD5

    5da389660793a2131957f0c21a26b502

  • SHA1

    5e1b40b9e9ca1ca9327e43a1f4c9fa54a48305a2

  • SHA256

    e2cd2182e7b24c400e8c9f0325b8fd66fc420d00e23973277efc4af3a5af206f

  • SHA512

    31fda13ebc592e776b4996adce007628456da4977ef5f9a33ae7e91b3a398fda7999c4ab43350f634873ed5cd7e593c05f1b9629ceb1d5ee81fff56e66e11636

  • SSDEEP

    3072:a83ASxrlDxiaNfxn8FsUpSfRUQh037wbZn5DOTX0M/9ETXe:a8QuxliaNfxn8FvSf56wR5DOTkM/9YXe

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23848) 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/elitebotnet.arm7.elf
    /tmp/elitebotnet.arm7.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:704
    • /bin/sh
      /bin/sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/elitebotnet.arm7.elf bin/systemd; chmod 777 bin/systemd"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:707
      • /usr/bin/rm
        rm -rf bin/systemd
        3⤵
          PID:709
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:712
        • /usr/bin/mv
          mv /tmp/elitebotnet.arm7.elf bin/systemd
          3⤵
          • Reads runtime system information
          PID:719
        • /usr/bin/chmod
          chmod 777 bin/systemd
          3⤵
          • File and Directory Permissions Modification
          PID:721

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • /etc/rc.local
      Filesize

      92B

      MD5

      4b6879140e52fbe7db2b19ed17257289

      SHA1

      eae5c280884c94f4ccf32c28daf35bc5bf7450a3

      SHA256

      5f7fcb731652c445d5087088154f690c89443715a65b1cbdb78cf70ab3370931

      SHA512

      736545b3ce791eb8b7402ffe064f66069abd9601039ae0c62eed71540fd14d95acf2dc7c27d5ebf451314c4de1220923901b6eb60098881e1709209fae45d7cc

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