Overview

overview

10

Static

static

10

elitebotnet.mips.elf

debian-9-mips

9

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240418-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    13-12-2024 14:47

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General

  • Target

    elitebotnet.mips.elf

  • Size

    93KB

  • MD5

    5b71de88f7f0a50f560bd3ec61bfb43f

  • SHA1

    f9011179a0e41216633283c86caad75895fcde9c

  • SHA256

    c2495bf6bf55b3d2ad2a6a7db9c1256d003665048faca66893804232023c5870

  • SHA512

    189662e5105cac6dad926697c8a3b2ded96a0372b99ce12cc7d6d17c69ab746ef12fcf49fad609eaf11faa0590119eef67830aad128cfe56cde30c022ce6ef0d

  • SSDEEP

    1536:8mXEcKs+8Yg7+mO6TWnwqto0MiftA2AeTEB7wbZnmb/6:BXEcK58Yg7+mO68wqto0Mif62oB7wbZF

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23829) 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
  • System Network Configuration Discovery 1 TTPs 2 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/elitebotnet.mips.elf
    /tmp/elitebotnet.mips.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    • System Network Configuration Discovery
    PID:705
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/elitebotnet.mips.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:707
      • /bin/rm
        rm -rf bin/busybox
        3⤵
          PID:708
        • /bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:710
        • /bin/mv
          mv /tmp/elitebotnet.mips.elf bin/busybox
          3⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:712
        • /bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:714

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • /etc/rc.local
      Filesize

      96B

      MD5

      693b25352a9477882662df0d08eac50c

      SHA1

      1af94224492224d7a136fd8c5f769a8af7e55b68

      SHA256

      df474ba7a706f81221a7ef57df00a94c47676c481dc1a689e8df80451aa05e06

      SHA512

      4ebf9251bcdb6cf694e69ecec3ab669e30afe5fa14af4a80db0b44bf05264a336a6292302955c044ed299a8085fea3163c7d7bbb27e03ddd3c49e213e2b3721d

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