Overview

overview

10

Static

static

10

elitebotnet.arm5.elf

debian-9-armhf

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    13-01-2025 09:32

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    elitebotnet.arm5.elf

  • Size

    77KB

  • MD5

    1a8ac15cffc6f1ab25caa7ca23c599fb

  • SHA1

    1248e962ceabb211c8869217e366823450a4e0e3

  • SHA256

    2bafad36c4095ee53cc479cf621e250ae83113f502f964229359f3ef5e83ee10

  • SHA512

    17205d97399216409583627e54e44c61b8989ac92f3de53aa072c83eba3c77224de6e1121de16a18f3ce3e962a2e4c3b21949ae76a76c61a589bf7da655f47db

  • SSDEEP

    1536:aODrgViG5ZK5HK4jP72INeqshQKapV5bPQVzAvwbZnN:aODrgdMj7NeqSQKAbcAvwbZnN

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23033) 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.arm5.elf
    /tmp/elitebotnet.arm5.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:649
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/elitebotnet.arm5.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:650
      • /bin/rm
        rm -rf bin/busybox
        3⤵
          PID:651
        • /bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:654
        • /bin/mv
          mv /tmp/elitebotnet.arm5.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:660
        • /bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:662

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • /etc/rc.local
      Filesize

      92B

      MD5

      4b6879140e52fbe7db2b19ed17257289

      SHA1

      eae5c280884c94f4ccf32c28daf35bc5bf7450a3

      SHA256

      5f7fcb731652c445d5087088154f690c89443715a65b1cbdb78cf70ab3370931

      SHA512

      736545b3ce791eb8b7402ffe064f66069abd9601039ae0c62eed71540fd14d95acf2dc7c27d5ebf451314c4de1220923901b6eb60098881e1709209fae45d7cc

      Download Submit