Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    18/04/2025, 01:00

General

  • Target

    d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55.elf

  • Size

    2.2MB

  • MD5

    06a141032d508ea7639d82c044851727

  • SHA1

    e49bf29f0c21f0e5a5d0ccee733ed1626df57d6b

  • SHA256

    d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55

  • SHA512

    8173fc77c9ba84dc1a980c907dec6d2a37e20b3dec5438189fb1990e6c161de5a7ebc033091be2bcd7b80fb1bfe1478eb9f81f6811c9417fd95d3419c9cc2e05

  • SSDEEP

    24576:TTq+DZ51ZFBI2dNPSn3MKEuPVXlod+lCmISWz1v:fT18MyEd+lsSWz1

Malware Config

Signatures

  • Kaiji 1 IoCs

    Kaiji payload

  • Kaiji family
  • Executes dropped EXE 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

  • Changes its process name 1 IoCs
  • Command and Scripting Interpreter: Unix Shell 1 TTPs 2 IoCs

    Execute scripts via Unix Shell.

  • Enumerates kernel/hardware configuration 1 TTPs 33 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55.elf
    /tmp/d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55.elf
    1⤵
    • Enumerates kernel/hardware configuration
    PID:713
    • /tmp/d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55.elf
      /tmp/d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55.elf " "
      2⤵
      • Changes its process name
      • Enumerates kernel/hardware configuration
      PID:720
      • /bin/sh
        /bin/sh -c "/etc/32676&"
        3⤵
        • Executes dropped EXE
        • Command and Scripting Interpreter: Unix Shell
        PID:729
      • /usr/sbin/service
        service crond start
        3⤵
          PID:732
          • /usr/bin/basename
            basename /usr/sbin/service
            4⤵
              PID:734
            • /usr/bin/basename
              basename /usr/sbin/service
              4⤵
                PID:738
              • /bin/systemctl
                systemctl --quiet is-active multi-user.target
                4⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:740
              • /bin/systemctl
                systemctl list-unit-files --full "--type=socket"
                4⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:744
              • /bin/sed
                sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                4⤵
                  PID:745
                • /bin/systemctl
                  systemctl -p Triggers show dbus.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:746
                • /bin/systemctl
                  systemctl -p Triggers show ssh.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:749
                • /bin/systemctl
                  systemctl -p Triggers show syslog.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:750
                • /bin/systemctl
                  systemctl -p Triggers show systemd-fsckd.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:753
                • /bin/systemctl
                  systemctl -p Triggers show systemd-initctl.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:755
                • /bin/systemctl
                  systemctl -p Triggers show systemd-journald-audit.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:757
                • /bin/systemctl
                  systemctl -p Triggers show systemd-journald-dev-log.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:759
                • /bin/systemctl
                  systemctl -p Triggers show systemd-journald.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:760
                • /bin/systemctl
                  systemctl -p Triggers show systemd-networkd.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:761
                • /bin/systemctl
                  systemctl -p Triggers show systemd-rfkill.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:762
                • /bin/systemctl
                  systemctl -p Triggers show systemd-udevd-control.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:763
                • /bin/systemctl
                  systemctl -p Triggers show systemd-udevd-kernel.socket
                  4⤵
                  • Enumerates kernel/hardware configuration
                  • Reads runtime system information
                  PID:764
              • /usr/local/sbin/systemctl
                systemctl start crond.service
                3⤵
                  PID:732
                • /usr/local/bin/systemctl
                  systemctl start crond.service
                  3⤵
                    PID:732
                  • /usr/sbin/systemctl
                    systemctl start crond.service
                    3⤵
                      PID:732
                    • /usr/bin/systemctl
                      systemctl start crond.service
                      3⤵
                        PID:732
                      • /sbin/systemctl
                        systemctl start crond.service
                        3⤵
                          PID:732
                        • /bin/systemctl
                          systemctl start crond.service
                          3⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:732
                        • /bin/sh
                          /bin/sh -c "echo \"*/1 * * * * root /.mod \" >> /etc/crontab"
                          3⤵
                          • Creates/modifies Cron job
                          • Command and Scripting Interpreter: Unix Shell
                          PID:765
                        • /usr/bin/renice
                          renice -20 720
                          3⤵
                            PID:766
                          • /bin/mount
                            mount -o bind /tmp/ /proc/720
                            3⤵
                              PID:767
                            • /usr/sbin/service
                              service cron start
                              3⤵
                                PID:768
                                • /usr/bin/basename
                                  basename /usr/sbin/service
                                  4⤵
                                    PID:769
                                  • /usr/bin/basename
                                    basename /usr/sbin/service
                                    4⤵
                                      PID:770
                                    • /bin/systemctl
                                      systemctl --quiet is-active multi-user.target
                                      4⤵
                                      • Enumerates kernel/hardware configuration
                                      • Reads runtime system information
                                      PID:771
                                    • /bin/systemctl
                                      systemctl list-unit-files --full "--type=socket"
                                      4⤵
                                      • Enumerates kernel/hardware configuration
                                      • Reads runtime system information
                                      PID:773
                                    • /bin/sed
                                      sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                      4⤵
                                        PID:774
                                      • /bin/systemctl
                                        systemctl -p Triggers show dbus.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:775
                                      • /bin/systemctl
                                        systemctl -p Triggers show ssh.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:776
                                      • /bin/systemctl
                                        systemctl -p Triggers show syslog.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:777
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-fsckd.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:778
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-initctl.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:779
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald-audit.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:780
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald-dev-log.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:781
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:782
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-networkd.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:783
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-rfkill.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:784
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-udevd-control.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:785
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-udevd-kernel.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:786
                                    • /usr/local/sbin/systemctl
                                      systemctl start cron.service
                                      3⤵
                                        PID:768
                                      • /usr/local/bin/systemctl
                                        systemctl start cron.service
                                        3⤵
                                          PID:768
                                        • /usr/sbin/systemctl
                                          systemctl start cron.service
                                          3⤵
                                            PID:768
                                          • /usr/bin/systemctl
                                            systemctl start cron.service
                                            3⤵
                                              PID:768
                                            • /sbin/systemctl
                                              systemctl start cron.service
                                              3⤵
                                                PID:768
                                              • /bin/systemctl
                                                systemctl start cron.service
                                                3⤵
                                                • Enumerates kernel/hardware configuration
                                                PID:768
                                              • /bin/systemctl
                                                systemctl start crond.service
                                                3⤵
                                                • Enumerates kernel/hardware configuration
                                                • Reads runtime system information
                                                PID:787
                                          • /etc/32676
                                            /etc/32676
                                            1⤵
                                              PID:731
                                              • /bin/sleep
                                                sleep 60
                                                2⤵
                                                  PID:735
                                                • /bin/sleep
                                                  sleep 60
                                                  2⤵
                                                    PID:890
                                                  • /bin/sleep
                                                    sleep 60
                                                    2⤵
                                                      PID:901

                                                  Network

                                                  MITRE ATT&CK Enterprise v16

                                                  Replay Monitor

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                                                  Downloads

                                                  • /.mod

                                                    Filesize

                                                    34B

                                                    MD5

                                                    f5a3713282e43c200f30342f5ff5e2ea

                                                    SHA1

                                                    2b2ce1a207e2b691a074c6f78f71c4785aae426a

                                                    SHA256

                                                    6ab64e727571458d4884fb2fe82c27c467db0699cb8f648b3f0217c35d2b7511

                                                    SHA512

                                                    5bcb8cd360409147a486755f90e0cdd97183af02ce8de5135b7c6a8a010deb9ef12dcd5ee9a2a8fd2e159347f68e72d6b7fd75e943b4fcd928d7a74b97476013

                                                  • /etc/.walk

                                                    Filesize

                                                    41B

                                                    MD5

                                                    dc6394a4d22242b33f9d43a96ffe3502

                                                    SHA1

                                                    54824f7e446db91a6670d0d552d0ff41d767e9d1

                                                    SHA256

                                                    e922d8377bf3bf26579efe87cdda038e2f10c5e597b2aba7677bc921bd848215

                                                    SHA512

                                                    1ea735fd1abaf67eecadec35a04763a836fe11674d38976ef076883207d1708097e0dd8371e91c30a8fa2c0525da0dc2ba703b30497b279c0206e6ffcb88dd0d

                                                  • /etc/.walk

                                                    Filesize

                                                    90B

                                                    MD5

                                                    6179c060af048542f9426ec07bd2d841

                                                    SHA1

                                                    ab4421ac24e1481d4334862e7ceb979144d3535a

                                                    SHA256

                                                    c742581cef7f919ce2516918c50022ad11da00889fff78bceed7d36f456c1b45

                                                    SHA512

                                                    2ebf226a7c6e8cf252bd216036ea983fb67ba244d9a2bdb5c8d202e80a5a6feeb5d6915def4be9894d0b6acdbb85ad0177a9aac7cb2e819d340b5bb316d2c00f

                                                  • /etc/32676

                                                    Filesize

                                                    56B

                                                    MD5

                                                    585f408444cbca746945f0cb63f2c3f0

                                                    SHA1

                                                    0e44bae17174f04514e770ca7fc4bec1007e39cd

                                                    SHA256

                                                    ebb961c647363dfa90f302de378e0e61807b9b792fc86616635a713cca8f4299

                                                    SHA512

                                                    022241dbafad55164701f67ef5b84154e3af97c5dfe77dee7bf8406f2befbd2962bbf4f243432b2f41d6c2376b87fcf551fd6945e03ddb02a5619c2f0f69c596

                                                  • /etc/opt.services.cfg

                                                    Filesize

                                                    2.2MB

                                                    MD5

                                                    06a141032d508ea7639d82c044851727

                                                    SHA1

                                                    e49bf29f0c21f0e5a5d0ccee733ed1626df57d6b

                                                    SHA256

                                                    d3030e1575b48293f9364353127bd44892ec65120c11d1710eead510373aab55

                                                    SHA512

                                                    8173fc77c9ba84dc1a980c907dec6d2a37e20b3dec5438189fb1990e6c161de5a7ebc033091be2bcd7b80fb1bfe1478eb9f81f6811c9417fd95d3419c9cc2e05

                                                  • /etc/profile.d/gateway.sh

                                                    Filesize

                                                    969B

                                                    MD5

                                                    7fdd9845b9e6da36a10ebfad66eca7db

                                                    SHA1

                                                    1ab75ca7e144c163c09138a54aa15ca382706937

                                                    SHA256

                                                    bc82a51e181352d45e6442c45f94305e66608a9f93c9fdf7cbc8280640b640a5

                                                    SHA512

                                                    a9f6362916625c48d5cebc4c51de6615628a507d26759ba4b3f69f54cd6368c5958a63180cb0c9ae1b5c4371e5557e1000aa2ef8073efef84fc4dcb53e3de83b

                                                  • /usr/bin/include/find

                                                    Filesize

                                                    240KB

                                                    MD5

                                                    bb4edcad76062a76284c69f5fe4e50ea

                                                    SHA1

                                                    86055be4ce94fa3cffa9924e7b511e95df636606

                                                    SHA256

                                                    b7e25e128c130473f33c5135c78f591f35d7c4a7c5e1246c12eaa298db453474

                                                    SHA512

                                                    254acc62d2f83f5a4686adcf3fe6ad4697f392c288c5baa323830bb6f2466c303fd7bc9f237e98b2ca76bc3abb6b4c264e042be8c4291ae5cc21b2189d996521