Analysis

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

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    16-02-2025 16:07

General

  • Target

    linux_mips.elf

  • Size

    5.6MB

  • MD5

    6627ff916808990d9bdfe6dd107e5ef9

  • SHA1

    acfa886e2d84ea24c18c89cdae705c91c9c98b36

  • SHA256

    3b196f4c493d6726045a6c38e2c273225b466b7ac2784069627c065b9ee6dd72

  • SHA512

    5199d0440e701c0d41e5a6b5c4e937cb8a4907defdb5bd35bf6073e5c1a804250452fdaa18f28f99764e05d7e922c89f43fefd2799fb6612dfc347fae5e9050d

  • SSDEEP

    49152:H2EpH9kX4nazMqH5Erob6XMv7fn3FuL9idt42uXYfTYetBDa9zrHAMnNHsLFnoeF:WEiAQkMZudhDM

Malware Config

Signatures

  • Kaiji 1 IoCs

    Kaiji payload

  • Kaiji family
  • kaiji_chaosbot 1 IoCs

    Chaos-variant payload

  • Executes dropped EXE 5 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

  • Changes its process name 1 IoCs
  • Reads CPU attributes 1 TTPs 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 52 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 2 IoCs

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

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

Processes

  • /tmp/linux_mips.elf
    /tmp/linux_mips.elf
    1⤵
    • Enumerates kernel/hardware configuration
    • System Network Configuration Discovery
    PID:706
    • /bin/sh
      sh -c "/etc/32678&"
      2⤵
      • Executes dropped EXE
      PID:723
    • /usr/sbin/service
      service crond start
      2⤵
        PID:725
        • /usr/bin/basename
          basename /usr/sbin/service
          3⤵
            PID:732
          • /usr/bin/basename
            basename /usr/sbin/service
            3⤵
              PID:735
            • /bin/systemctl
              systemctl --quiet is-active multi-user.target
              3⤵
              • Enumerates kernel/hardware configuration
              PID:743
            • /bin/systemctl
              systemctl list-unit-files --full "--type=socket"
              3⤵
              • Enumerates kernel/hardware configuration
              • Reads runtime system information
              PID:748
            • /bin/sed
              sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
              3⤵
                PID:749
              • /bin/systemctl
                systemctl -p Triggers show dbus.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:752
              • /bin/systemctl
                systemctl -p Triggers show ssh.socket
                3⤵
                • Enumerates kernel/hardware configuration
                PID:754
              • /bin/systemctl
                systemctl -p Triggers show syslog.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:757
              • /bin/systemctl
                systemctl -p Triggers show systemd-fsckd.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:773
              • /bin/systemctl
                systemctl -p Triggers show systemd-initctl.socket
                3⤵
                • Enumerates kernel/hardware configuration
                PID:774
              • /bin/systemctl
                systemctl -p Triggers show systemd-journald-audit.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:779
              • /bin/systemctl
                systemctl -p Triggers show systemd-journald-dev-log.socket
                3⤵
                • Enumerates kernel/hardware configuration
                PID:780
              • /bin/systemctl
                systemctl -p Triggers show systemd-journald.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:781
              • /bin/systemctl
                systemctl -p Triggers show systemd-networkd.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:783
              • /bin/systemctl
                systemctl -p Triggers show systemd-rfkill.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:787
              • /bin/systemctl
                systemctl -p Triggers show systemd-udevd-control.socket
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:790
              • /bin/systemctl
                systemctl -p Triggers show systemd-udevd-kernel.socket
                3⤵
                • Enumerates kernel/hardware configuration
                PID:794
            • /tmp/linux_mips.elf
              /tmp/linux_mips.elf " "
              2⤵
              • Changes its process name
              • Enumerates kernel/hardware configuration
              • System Network Configuration Discovery
              PID:726
              • /usr/sbin/update-rc.d
                update-rc.d linux_kill defaults
                3⤵
                  PID:741
                  • /usr/local/sbin/systemctl
                    systemctl daemon-reload
                    4⤵
                      PID:755
                    • /usr/local/bin/systemctl
                      systemctl daemon-reload
                      4⤵
                        PID:755
                      • /usr/sbin/systemctl
                        systemctl daemon-reload
                        4⤵
                          PID:755
                        • /usr/bin/systemctl
                          systemctl daemon-reload
                          4⤵
                            PID:755
                          • /sbin/systemctl
                            systemctl daemon-reload
                            4⤵
                              PID:755
                            • /bin/systemctl
                              systemctl daemon-reload
                              4⤵
                              • Enumerates kernel/hardware configuration
                              • Reads runtime system information
                              PID:755
                          • /bin/bash
                            bash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"
                            3⤵
                            • Creates/modifies Cron job
                            PID:778
                          • /usr/bin/renice
                            renice -20 726
                            3⤵
                              PID:782
                            • /bin/mount
                              mount -o bind /tmp/ /proc/726
                              3⤵
                                PID:784
                              • /usr/sbin/service
                                service cron start
                                3⤵
                                  PID:785
                                  • /usr/bin/basename
                                    basename /usr/sbin/service
                                    4⤵
                                      PID:786
                                    • /usr/bin/basename
                                      basename /usr/sbin/service
                                      4⤵
                                        PID:788
                                      • /bin/systemctl
                                        systemctl --quiet is-active multi-user.target
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:789
                                      • /bin/systemctl
                                        systemctl list-unit-files --full "--type=socket"
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:792
                                      • /bin/sed
                                        sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                        4⤵
                                        • Reads runtime system information
                                        PID:793
                                      • /bin/systemctl
                                        systemctl -p Triggers show dbus.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:795
                                      • /bin/systemctl
                                        systemctl -p Triggers show ssh.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:796
                                      • /bin/systemctl
                                        systemctl -p Triggers show syslog.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:797
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-fsckd.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:798
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-initctl.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:799
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald-audit.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:800
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald-dev-log.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:801
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-journald.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:802
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-networkd.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:803
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-rfkill.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:804
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-udevd-control.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        • Reads runtime system information
                                        PID:805
                                      • /bin/systemctl
                                        systemctl -p Triggers show systemd-udevd-kernel.socket
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:808
                                    • /usr/local/sbin/systemctl
                                      systemctl start cron.service
                                      3⤵
                                        PID:785
                                      • /usr/local/bin/systemctl
                                        systemctl start cron.service
                                        3⤵
                                          PID:785
                                        • /usr/sbin/systemctl
                                          systemctl start cron.service
                                          3⤵
                                            PID:785
                                          • /usr/bin/systemctl
                                            systemctl start cron.service
                                            3⤵
                                              PID:785
                                            • /sbin/systemctl
                                              systemctl start cron.service
                                              3⤵
                                                PID:785
                                              • /bin/systemctl
                                                systemctl start cron.service
                                                3⤵
                                                • Enumerates kernel/hardware configuration
                                                PID:785
                                              • /bin/systemctl
                                                systemctl start crond.service
                                                3⤵
                                                • Enumerates kernel/hardware configuration
                                                • Reads runtime system information
                                                PID:812
                                          • /etc/32678
                                            /etc/32678
                                            1⤵
                                            • Executes dropped EXE
                                            PID:728
                                            • /bin/sleep
                                              sleep 60
                                              2⤵
                                                PID:734
                                              • /etc/id.services.conf
                                                /etc/id.services.conf
                                                2⤵
                                                • Executes dropped EXE
                                                • Enumerates kernel/hardware configuration
                                                PID:806
                                                • /usr/bin/pkill
                                                  pkill -9 32678
                                                  3⤵
                                                  • Reads CPU attributes
                                                  • Reads runtime system information
                                                  PID:811
                                                • /bin/sh
                                                  sh -c "/etc/32678&"
                                                  3⤵
                                                  • Executes dropped EXE
                                                  PID:813
                                                • /usr/sbin/service
                                                  service crond start
                                                  3⤵
                                                    PID:814
                                                    • /usr/bin/basename
                                                      basename /usr/sbin/service
                                                      4⤵
                                                        PID:817
                                                      • /usr/bin/basename
                                                        basename /usr/sbin/service
                                                        4⤵
                                                          PID:822
                                                        • /bin/systemctl
                                                          systemctl --quiet is-active multi-user.target
                                                          4⤵
                                                          • Enumerates kernel/hardware configuration
                                                          • Reads runtime system information
                                                          PID:823
                                                        • /bin/systemctl
                                                          systemctl list-unit-files --full "--type=socket"
                                                          4⤵
                                                          • Enumerates kernel/hardware configuration
                                                          • Reads runtime system information
                                                          PID:825
                                                        • /bin/sed
                                                          sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                                          4⤵
                                                            PID:826
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show dbus.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:827
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show ssh.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:829
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show syslog.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:833
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-fsckd.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:834
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-initctl.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            PID:835
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-journald-audit.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            PID:836
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-journald-dev-log.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:837
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-journald.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:838
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-networkd.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            PID:839
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-rfkill.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            PID:841
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-udevd-control.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            PID:844
                                                          • /bin/systemctl
                                                            systemctl -p Triggers show systemd-udevd-kernel.socket
                                                            4⤵
                                                            • Enumerates kernel/hardware configuration
                                                            • Reads runtime system information
                                                            PID:845
                                                        • /etc/id.services.conf
                                                          /etc/id.services.conf " "
                                                          3⤵
                                                          • Enumerates kernel/hardware configuration
                                                          PID:815
                                                    • /usr/local/sbin/systemctl
                                                      systemctl start crond.service
                                                      1⤵
                                                        PID:725
                                                      • /usr/local/bin/systemctl
                                                        systemctl start crond.service
                                                        1⤵
                                                          PID:725
                                                        • /usr/sbin/systemctl
                                                          systemctl start crond.service
                                                          1⤵
                                                            PID:725
                                                          • /usr/bin/systemctl
                                                            systemctl start crond.service
                                                            1⤵
                                                              PID:725
                                                            • /sbin/systemctl
                                                              systemctl start crond.service
                                                              1⤵
                                                                PID:725
                                                              • /bin/systemctl
                                                                systemctl start crond.service
                                                                1⤵
                                                                • Enumerates kernel/hardware configuration
                                                                • Reads runtime system information
                                                                PID:725
                                                              • /etc/32678
                                                                /etc/32678
                                                                1⤵
                                                                • Executes dropped EXE
                                                                PID:816
                                                                • /bin/sleep
                                                                  sleep 60
                                                                  2⤵
                                                                    PID:821
                                                                  • /etc/id.services.conf
                                                                    /etc/id.services.conf
                                                                    2⤵
                                                                    • Enumerates kernel/hardware configuration
                                                                    PID:890
                                                                • /usr/local/sbin/systemctl
                                                                  systemctl start crond.service
                                                                  1⤵
                                                                    PID:814
                                                                  • /usr/local/bin/systemctl
                                                                    systemctl start crond.service
                                                                    1⤵
                                                                      PID:814
                                                                    • /usr/sbin/systemctl
                                                                      systemctl start crond.service
                                                                      1⤵
                                                                        PID:814
                                                                      • /usr/bin/systemctl
                                                                        systemctl start crond.service
                                                                        1⤵
                                                                          PID:814
                                                                        • /sbin/systemctl
                                                                          systemctl start crond.service
                                                                          1⤵
                                                                            PID:814
                                                                          • /bin/systemctl
                                                                            systemctl start crond.service
                                                                            1⤵
                                                                            • Enumerates kernel/hardware configuration
                                                                            • Reads runtime system information
                                                                            PID:814

                                                                          Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

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                                                                          Downloads

                                                                          • /.img

                                                                            Filesize

                                                                            33B

                                                                            MD5

                                                                            d73d3376908ea075a939e3871ad0fabe

                                                                            SHA1

                                                                            320ff65831247ba199515f1b94df26cc8a3e5f76

                                                                            SHA256

                                                                            edbdabe30d8236a2c0a4eb89dfd597552130e4c1a4e93f8fe1568920442ad73a

                                                                            SHA512

                                                                            57b83fef88620598beb5d65626bf757d0abef242d2d6a01796a61474dedc5095a4a9d0f292b6abb450cad3d4410ab8456253600f58ddb66cfe6d79e1c8415536

                                                                          • /etc/32678

                                                                            Filesize

                                                                            61B

                                                                            MD5

                                                                            768eaf287796da19e1cf5e0b2fb1b161

                                                                            SHA1

                                                                            6a1ce2ee5ccc86d1f33806feb14547b35290df2a

                                                                            SHA256

                                                                            1d22620dfb2a6715e5d745aed5cf841ede0e75e1747f12b9b925a2d346bc7ecb

                                                                            SHA512

                                                                            e6af30c9df4f7f47696069511e64ecbc8e841629d692ee4056503df3533fb7a7a74960698826260355e1dba7b6c562482a27a39bb51a4237473ce4b68472d620

                                                                          • /etc/id.services.conf

                                                                            Filesize

                                                                            5.6MB

                                                                            MD5

                                                                            6627ff916808990d9bdfe6dd107e5ef9

                                                                            SHA1

                                                                            acfa886e2d84ea24c18c89cdae705c91c9c98b36

                                                                            SHA256

                                                                            3b196f4c493d6726045a6c38e2c273225b466b7ac2784069627c065b9ee6dd72

                                                                            SHA512

                                                                            5199d0440e701c0d41e5a6b5c4e937cb8a4907defdb5bd35bf6073e5c1a804250452fdaa18f28f99764e05d7e922c89f43fefd2799fb6612dfc347fae5e9050d

                                                                          • /etc/init.d/linux_kill

                                                                            Filesize

                                                                            189B

                                                                            MD5

                                                                            3909975f7cc0d1121c1819b800069f31

                                                                            SHA1

                                                                            3e68de708c2e6c40fab6794afdee3104e5590189

                                                                            SHA256

                                                                            6876dac71f13a068afb863d257134275f2edba43b2acaf4924fabf97c079070b

                                                                            SHA512

                                                                            50600cceeb03b05f45ae61d890caee9f51ff390b6776930866e527e071d65d08241fc66673fd9b99d62fbc77d3c00fc3de4d7378cbc42f5daba5d83072b0906e

                                                                          • /etc/profile.d/bash_config.sh

                                                                            Filesize

                                                                            37B

                                                                            MD5

                                                                            cfb4e51061485fe91169381fbdc1538e

                                                                            SHA1

                                                                            9a85b9b766a15b01737a41d680e4593b7a9bde87

                                                                            SHA256

                                                                            897f37267d0ceaa2fbdaa09847f5d08e6f8b01a0348a0d666264b0f10acd0c90

                                                                            SHA512

                                                                            fb154ec711d2090a7461da4db8ddad2b522649a27e74162ecb203f539b1729430288bc02d78d2071bde9c4bbc005693403a57612ef50277d52f816cb94524216