Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    01-11-2024 02:48

General

  • Target

    2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06.elf

  • Size

    5.6MB

  • MD5

    ad1e0eac7b5a21d48787c13116526ff6

  • SHA1

    cdd1a9a416f8c6ffa4dc70638990376695fafbf0

  • SHA256

    2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06

  • SHA512

    e32c24f20f66e2945eff0fbe0dc17bf9850a22455b4d4f272008cc40587ec57995c53e6ce7c046271c4c33faf5e424d53676590ad5e21d22061c39ba48dd6c4c

  • SSDEEP

    49152:+RxVVRFMTwrupkYzfgh7rxQ2USaU85Jbq1rQcR6VYv0VF1:

Malware Config

Signatures

  • Kaiji 1 IoCs

    Kaiji payload

  • Kaiji family
  • kaiji_chaosbot 1 IoCs

    Chaos-variant payload

  • Executes dropped EXE 7 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 2 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 32 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • GoLang User-Agent 1 IoCs

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

Processes

  • /tmp/2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06.elf
    /tmp/2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06.elf
    1⤵
    • Enumerates kernel/hardware configuration
    PID:709
    • /bin/sh
      sh -c "/etc/32678&"
      2⤵
        PID:722
        • /etc/32678
          /etc/32678
          3⤵
          • Executes dropped EXE
          PID:726
          • /bin/sleep
            sleep 60
            4⤵
              PID:737
            • /etc/id.services.conf
              /etc/id.services.conf
              4⤵
              • Executes dropped EXE
              • Enumerates kernel/hardware configuration
              PID:772
              • /usr/bin/pkill
                pkill -9 32678
                5⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:778
              • /bin/sh
                sh -c "/etc/32678&"
                5⤵
                  PID:779
                • /usr/sbin/service
                  service crond start
                  5⤵
                    PID:781
                    • /usr/bin/basename
                      basename /usr/sbin/service
                      6⤵
                        PID:784
                      • /usr/bin/basename
                        basename /usr/sbin/service
                        6⤵
                          PID:789
                        • /bin/systemctl
                          systemctl --quiet is-active multi-user.target
                          6⤵
                          • Enumerates kernel/hardware configuration
                          • Reads runtime system information
                          PID:791
                        • /bin/sed
                          sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                          6⤵
                            PID:795
                          • /bin/systemctl
                            systemctl list-unit-files --full "--type=socket"
                            6⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:794
                          • /bin/systemctl
                            systemctl -p Triggers show dbus.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:797
                          • /bin/systemctl
                            systemctl -p Triggers show ssh.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:798
                          • /bin/systemctl
                            systemctl -p Triggers show syslog.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:799
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-fsckd.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:800
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-initctl.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:801
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-journald-audit.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:802
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-journald-dev-log.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:803
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-journald.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:804
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-networkd.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:805
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-rfkill.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:806
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-udevd-control.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:807
                          • /bin/systemctl
                            systemctl -p Triggers show systemd-udevd-kernel.socket
                            6⤵
                            • Enumerates kernel/hardware configuration
                            PID:808
                        • /etc/id.services.conf
                          /etc/id.services.conf " "
                          5⤵
                          • Executes dropped EXE
                          • Enumerates kernel/hardware configuration
                          PID:783
                  • /usr/sbin/service
                    service crond start
                    2⤵
                      PID:723
                      • /usr/bin/basename
                        basename /usr/sbin/service
                        3⤵
                          PID:730
                        • /usr/bin/basename
                          basename /usr/sbin/service
                          3⤵
                            PID:739
                          • /bin/systemctl
                            systemctl --quiet is-active multi-user.target
                            3⤵
                            • Enumerates kernel/hardware configuration
                            • Reads runtime system information
                            PID:743
                          • /bin/systemctl
                            systemctl list-unit-files --full "--type=socket"
                            3⤵
                            • Enumerates kernel/hardware configuration
                            PID:748
                          • /bin/sed
                            sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                            3⤵
                              PID:749
                          • /tmp/2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06.elf
                            /tmp/2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06.elf " "
                            2⤵
                            • Changes its process name
                            • Enumerates kernel/hardware configuration
                            PID:725
                            • /usr/sbin/update-rc.d
                              update-rc.d linux_kill defaults
                              3⤵
                                PID:736
                                • /usr/local/sbin/systemctl
                                  systemctl daemon-reload
                                  4⤵
                                    PID:752
                                  • /usr/local/bin/systemctl
                                    systemctl daemon-reload
                                    4⤵
                                      PID:752
                                    • /usr/sbin/systemctl
                                      systemctl daemon-reload
                                      4⤵
                                        PID:752
                                      • /usr/bin/systemctl
                                        systemctl daemon-reload
                                        4⤵
                                          PID:752
                                        • /sbin/systemctl
                                          systemctl daemon-reload
                                          4⤵
                                            PID:752
                                          • /bin/systemctl
                                            systemctl daemon-reload
                                            4⤵
                                            • Enumerates kernel/hardware configuration
                                            • Reads runtime system information
                                            PID:752
                                        • /bin/bash
                                          bash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"
                                          3⤵
                                          • Creates/modifies Cron job
                                          PID:757
                                        • /usr/bin/renice
                                          renice -20 725
                                          3⤵
                                            PID:759
                                          • /bin/mount
                                            mount -o bind /tmp/ /proc/725
                                            3⤵
                                            • Reads runtime system information
                                            PID:760
                                          • /usr/sbin/service
                                            service cron start
                                            3⤵
                                              PID:761
                                              • /usr/bin/basename
                                                basename /usr/sbin/service
                                                4⤵
                                                  PID:762
                                                • /usr/bin/basename
                                                  basename /usr/sbin/service
                                                  4⤵
                                                    PID:763
                                                  • /bin/systemctl
                                                    systemctl --quiet is-active multi-user.target
                                                    4⤵
                                                    • Enumerates kernel/hardware configuration
                                                    PID:764
                                                  • /bin/systemctl
                                                    systemctl list-unit-files --full "--type=socket"
                                                    4⤵
                                                    • Enumerates kernel/hardware configuration
                                                    • Reads runtime system information
                                                    PID:766
                                                  • /bin/sed
                                                    sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                                    4⤵
                                                      PID:767
                                                  • /usr/local/sbin/systemctl
                                                    systemctl "--job-mode=ignore-dependencies" start cron.service
                                                    3⤵
                                                      PID:761
                                                    • /usr/local/bin/systemctl
                                                      systemctl "--job-mode=ignore-dependencies" start cron.service
                                                      3⤵
                                                        PID:761
                                                      • /usr/sbin/systemctl
                                                        systemctl "--job-mode=ignore-dependencies" start cron.service
                                                        3⤵
                                                          PID:761
                                                        • /usr/bin/systemctl
                                                          systemctl "--job-mode=ignore-dependencies" start cron.service
                                                          3⤵
                                                            PID:761
                                                          • /sbin/systemctl
                                                            systemctl "--job-mode=ignore-dependencies" start cron.service
                                                            3⤵
                                                              PID:761
                                                            • /bin/systemctl
                                                              systemctl "--job-mode=ignore-dependencies" start cron.service
                                                              3⤵
                                                              • Enumerates kernel/hardware configuration
                                                              PID:761
                                                            • /bin/systemctl
                                                              systemctl start crond.service
                                                              3⤵
                                                              • Enumerates kernel/hardware configuration
                                                              • Reads runtime system information
                                                              PID:768
                                                        • /usr/local/sbin/systemctl
                                                          systemctl "--job-mode=ignore-dependencies" start crond.service
                                                          1⤵
                                                            PID:723
                                                          • /usr/local/bin/systemctl
                                                            systemctl "--job-mode=ignore-dependencies" start crond.service
                                                            1⤵
                                                              PID:723
                                                            • /usr/sbin/systemctl
                                                              systemctl "--job-mode=ignore-dependencies" start crond.service
                                                              1⤵
                                                                PID:723
                                                              • /usr/bin/systemctl
                                                                systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                1⤵
                                                                  PID:723
                                                                • /sbin/systemctl
                                                                  systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                  1⤵
                                                                    PID:723
                                                                  • /bin/systemctl
                                                                    systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                    1⤵
                                                                    • Enumerates kernel/hardware configuration
                                                                    PID:723
                                                                  • /etc/32678
                                                                    /etc/32678
                                                                    1⤵
                                                                    • Executes dropped EXE
                                                                    PID:782
                                                                    • /bin/sleep
                                                                      sleep 60
                                                                      2⤵
                                                                        PID:785
                                                                      • /etc/id.services.conf
                                                                        /etc/id.services.conf
                                                                        2⤵
                                                                        • Executes dropped EXE
                                                                        • Enumerates kernel/hardware configuration
                                                                        PID:818
                                                                        • /usr/bin/pkill
                                                                          pkill -9 32678
                                                                          3⤵
                                                                          • Reads CPU attributes
                                                                          • Reads runtime system information
                                                                          PID:822
                                                                        • /bin/sh
                                                                          sh -c "/etc/32678&"
                                                                          3⤵
                                                                            PID:823
                                                                          • /usr/sbin/service
                                                                            service crond start
                                                                            3⤵
                                                                              PID:824
                                                                              • /usr/bin/basename
                                                                                basename /usr/sbin/service
                                                                                4⤵
                                                                                  PID:827
                                                                                • /usr/bin/basename
                                                                                  basename /usr/sbin/service
                                                                                  4⤵
                                                                                    PID:829
                                                                                  • /bin/systemctl
                                                                                    systemctl --quiet is-active multi-user.target
                                                                                    4⤵
                                                                                    • Enumerates kernel/hardware configuration
                                                                                    PID:833
                                                                                  • /bin/sed
                                                                                    sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                                                                    4⤵
                                                                                    • Reads runtime system information
                                                                                    PID:836
                                                                                  • /bin/systemctl
                                                                                    systemctl list-unit-files --full "--type=socket"
                                                                                    4⤵
                                                                                    • Enumerates kernel/hardware configuration
                                                                                    PID:835
                                                                                • /etc/id.services.conf
                                                                                  /etc/id.services.conf " "
                                                                                  3⤵
                                                                                  • Executes dropped EXE
                                                                                  • Enumerates kernel/hardware configuration
                                                                                  PID:826
                                                                            • /usr/local/sbin/systemctl
                                                                              systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                              1⤵
                                                                                PID:781
                                                                              • /usr/local/bin/systemctl
                                                                                systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                1⤵
                                                                                  PID:781
                                                                                • /usr/sbin/systemctl
                                                                                  systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                  1⤵
                                                                                    PID:781
                                                                                  • /usr/bin/systemctl
                                                                                    systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                    1⤵
                                                                                      PID:781
                                                                                    • /sbin/systemctl
                                                                                      systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                      1⤵
                                                                                        PID:781
                                                                                      • /bin/systemctl
                                                                                        systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                        1⤵
                                                                                        • Enumerates kernel/hardware configuration
                                                                                        PID:781
                                                                                      • /etc/32678
                                                                                        /etc/32678
                                                                                        1⤵
                                                                                        • Executes dropped EXE
                                                                                        PID:825
                                                                                        • /bin/sleep
                                                                                          sleep 60
                                                                                          2⤵
                                                                                            PID:828
                                                                                        • /usr/local/sbin/systemctl
                                                                                          systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                          1⤵
                                                                                            PID:824
                                                                                          • /usr/local/bin/systemctl
                                                                                            systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                            1⤵
                                                                                              PID:824
                                                                                            • /usr/sbin/systemctl
                                                                                              systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                              1⤵
                                                                                                PID:824
                                                                                              • /usr/bin/systemctl
                                                                                                systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                1⤵
                                                                                                  PID:824
                                                                                                • /sbin/systemctl
                                                                                                  systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                  1⤵
                                                                                                    PID:824
                                                                                                  • /bin/systemctl
                                                                                                    systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                    1⤵
                                                                                                    • Enumerates kernel/hardware configuration
                                                                                                    PID:824

                                                                                                  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

                                                                                                    ad1e0eac7b5a21d48787c13116526ff6

                                                                                                    SHA1

                                                                                                    cdd1a9a416f8c6ffa4dc70638990376695fafbf0

                                                                                                    SHA256

                                                                                                    2ea79246ca36e0bfd5c1968d4344d2b74e3c230be19867732968d63577084f06

                                                                                                    SHA512

                                                                                                    e32c24f20f66e2945eff0fbe0dc17bf9850a22455b4d4f272008cc40587ec57995c53e6ce7c046271c4c33faf5e424d53676590ad5e21d22061c39ba48dd6c4c

                                                                                                  • /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