Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    08-11-2024 09:24

General

  • Target

    linux_mips.elf

  • Size

    5.6MB

  • MD5

    0e9c845a2bc13ae304f9bbc50fc97c1e

  • SHA1

    c8372c13188cdcf03fc4776245829216d2d9df08

  • SHA256

    bf7d2d6b1bafed56a584666f7a1920d8939232a756999507040606f6cac541f5

  • SHA512

    31a3217cb620885d7fb1c608947fc71f4e0e38accc1f0766917e2bf5b2428bca9192f76da02d7de0953033cb14076300e8229ccb5a3e518fbe2cb71b38f06d71

  • SSDEEP

    49152:H2EpH9kX4nazMqH5Erob6XMv7fn3FuL9idt42uXYfTYetBDa9zrHAMnfHsLFnoeF:WEiAQGMZudhDM

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 20 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.

Processes

  • /tmp/linux_mips.elf
    /tmp/linux_mips.elf
    1⤵
    • Enumerates kernel/hardware configuration
    • System Network Configuration Discovery
    PID:705
    • /bin/sh
      sh -c "/etc/32678&"
      2⤵
        PID:722
      • /usr/sbin/service
        service crond start
        2⤵
          PID:723
          • /usr/bin/basename
            basename /usr/sbin/service
            3⤵
              PID:728
            • /usr/bin/basename
              basename /usr/sbin/service
              3⤵
                PID:737
              • /bin/systemctl
                systemctl --quiet is-active multi-user.target
                3⤵
                • Enumerates kernel/hardware configuration
                PID:741
              • /bin/sed
                sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                3⤵
                • Reads runtime system information
                PID:747
              • /bin/systemctl
                systemctl list-unit-files --full "--type=socket"
                3⤵
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:746
            • /tmp/linux_mips.elf
              /tmp/linux_mips.elf " "
              2⤵
              • Changes its process name
              • Enumerates kernel/hardware configuration
              • System Network Configuration Discovery
              PID:724
              • /usr/sbin/update-rc.d
                update-rc.d linux_kill defaults
                3⤵
                  PID:739
                  • /usr/local/sbin/systemctl
                    systemctl daemon-reload
                    4⤵
                      PID:750
                    • /usr/local/bin/systemctl
                      systemctl daemon-reload
                      4⤵
                        PID:750
                      • /usr/sbin/systemctl
                        systemctl daemon-reload
                        4⤵
                          PID:750
                        • /usr/bin/systemctl
                          systemctl daemon-reload
                          4⤵
                            PID:750
                          • /sbin/systemctl
                            systemctl daemon-reload
                            4⤵
                              PID:750
                            • /bin/systemctl
                              systemctl daemon-reload
                              4⤵
                              • Enumerates kernel/hardware configuration
                              • Reads runtime system information
                              PID:750
                          • /bin/bash
                            bash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"
                            3⤵
                            • Creates/modifies Cron job
                            PID:755
                          • /usr/bin/renice
                            renice -20 724
                            3⤵
                              PID:756
                            • /bin/mount
                              mount -o bind /tmp/ /proc/724
                              3⤵
                                PID:757
                              • /usr/sbin/service
                                service cron start
                                3⤵
                                  PID:758
                                  • /usr/bin/basename
                                    basename /usr/sbin/service
                                    4⤵
                                      PID:759
                                    • /usr/bin/basename
                                      basename /usr/sbin/service
                                      4⤵
                                        PID:760
                                      • /bin/systemctl
                                        systemctl --quiet is-active multi-user.target
                                        4⤵
                                        • Enumerates kernel/hardware configuration
                                        PID:761
                                      • /bin/sed
                                        sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                        4⤵
                                          PID:764
                                        • /bin/systemctl
                                          systemctl list-unit-files --full "--type=socket"
                                          4⤵
                                          • Enumerates kernel/hardware configuration
                                          • Reads runtime system information
                                          PID:763
                                      • /usr/local/sbin/systemctl
                                        systemctl "--job-mode=ignore-dependencies" start cron.service
                                        3⤵
                                          PID:758
                                        • /usr/local/bin/systemctl
                                          systemctl "--job-mode=ignore-dependencies" start cron.service
                                          3⤵
                                            PID:758
                                          • /usr/sbin/systemctl
                                            systemctl "--job-mode=ignore-dependencies" start cron.service
                                            3⤵
                                              PID:758
                                            • /usr/bin/systemctl
                                              systemctl "--job-mode=ignore-dependencies" start cron.service
                                              3⤵
                                                PID:758
                                              • /sbin/systemctl
                                                systemctl "--job-mode=ignore-dependencies" start cron.service
                                                3⤵
                                                  PID:758
                                                • /bin/systemctl
                                                  systemctl "--job-mode=ignore-dependencies" start cron.service
                                                  3⤵
                                                  • Enumerates kernel/hardware configuration
                                                  PID:758
                                                • /bin/systemctl
                                                  systemctl start crond.service
                                                  3⤵
                                                  • Enumerates kernel/hardware configuration
                                                  • Reads runtime system information
                                                  PID:765
                                            • /etc/32678
                                              /etc/32678
                                              1⤵
                                              • Executes dropped EXE
                                              PID:729
                                              • /bin/sleep
                                                sleep 60
                                                2⤵
                                                  PID:735
                                                • /etc/id.services.conf
                                                  /etc/id.services.conf
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Enumerates kernel/hardware configuration
                                                  PID:787
                                                  • /usr/bin/pkill
                                                    pkill -9 32678
                                                    3⤵
                                                    • Reads CPU attributes
                                                    • Reads runtime system information
                                                    PID:791
                                                  • /bin/sh
                                                    sh -c "/etc/32678&"
                                                    3⤵
                                                      PID:792
                                                    • /usr/sbin/service
                                                      service crond start
                                                      3⤵
                                                        PID:793
                                                        • /usr/bin/basename
                                                          basename /usr/sbin/service
                                                          4⤵
                                                            PID:799
                                                          • /usr/bin/basename
                                                            basename /usr/sbin/service
                                                            4⤵
                                                              PID:801
                                                            • /bin/systemctl
                                                              systemctl --quiet is-active multi-user.target
                                                              4⤵
                                                              • Enumerates kernel/hardware configuration
                                                              • Reads runtime system information
                                                              PID:802
                                                            • /bin/sed
                                                              sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                                              4⤵
                                                                PID:805
                                                              • /bin/systemctl
                                                                systemctl list-unit-files --full "--type=socket"
                                                                4⤵
                                                                • Enumerates kernel/hardware configuration
                                                                • Reads runtime system information
                                                                PID:804
                                                            • /etc/id.services.conf
                                                              /etc/id.services.conf " "
                                                              3⤵
                                                              • Executes dropped EXE
                                                              • Enumerates kernel/hardware configuration
                                                              PID:794
                                                        • /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
                                                                    • Reads runtime system information
                                                                    PID:723
                                                                  • /etc/32678
                                                                    /etc/32678
                                                                    1⤵
                                                                    • Executes dropped EXE
                                                                    PID:795
                                                                    • /bin/sleep
                                                                      sleep 60
                                                                      2⤵
                                                                        PID:800
                                                                      • /etc/id.services.conf
                                                                        /etc/id.services.conf
                                                                        2⤵
                                                                        • Executes dropped EXE
                                                                        • Enumerates kernel/hardware configuration
                                                                        PID:812
                                                                        • /usr/bin/pkill
                                                                          pkill -9 32678
                                                                          3⤵
                                                                          • Reads CPU attributes
                                                                          • Reads runtime system information
                                                                          PID:816
                                                                        • /bin/sh
                                                                          sh -c "/etc/32678&"
                                                                          3⤵
                                                                            PID:817
                                                                          • /usr/sbin/service
                                                                            service crond start
                                                                            3⤵
                                                                              PID:818
                                                                              • /usr/bin/basename
                                                                                basename /usr/sbin/service
                                                                                4⤵
                                                                                  PID:824
                                                                                • /usr/bin/basename
                                                                                  basename /usr/sbin/service
                                                                                  4⤵
                                                                                    PID:826
                                                                                  • /bin/systemctl
                                                                                    systemctl --quiet is-active multi-user.target
                                                                                    4⤵
                                                                                    • Enumerates kernel/hardware configuration
                                                                                    PID:827
                                                                                  • /bin/systemctl
                                                                                    systemctl list-unit-files --full "--type=socket"
                                                                                    4⤵
                                                                                    • Enumerates kernel/hardware configuration
                                                                                    PID:829
                                                                                  • /bin/sed
                                                                                    sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
                                                                                    4⤵
                                                                                      PID:830
                                                                                  • /etc/id.services.conf
                                                                                    /etc/id.services.conf " "
                                                                                    3⤵
                                                                                    • Executes dropped EXE
                                                                                    • Enumerates kernel/hardware configuration
                                                                                    PID:819
                                                                              • /usr/local/sbin/systemctl
                                                                                systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                1⤵
                                                                                  PID:793
                                                                                • /usr/local/bin/systemctl
                                                                                  systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                  1⤵
                                                                                    PID:793
                                                                                  • /usr/sbin/systemctl
                                                                                    systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                    1⤵
                                                                                      PID:793
                                                                                    • /usr/bin/systemctl
                                                                                      systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                      1⤵
                                                                                        PID:793
                                                                                      • /sbin/systemctl
                                                                                        systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                        1⤵
                                                                                          PID:793
                                                                                        • /bin/systemctl
                                                                                          systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                          1⤵
                                                                                          • Enumerates kernel/hardware configuration
                                                                                          • Reads runtime system information
                                                                                          PID:793
                                                                                        • /etc/32678
                                                                                          /etc/32678
                                                                                          1⤵
                                                                                          • Executes dropped EXE
                                                                                          PID:823
                                                                                          • /bin/sleep
                                                                                            sleep 60
                                                                                            2⤵
                                                                                              PID:825
                                                                                          • /usr/local/sbin/systemctl
                                                                                            systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                            1⤵
                                                                                              PID:818
                                                                                            • /usr/local/bin/systemctl
                                                                                              systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                              1⤵
                                                                                                PID:818
                                                                                              • /usr/sbin/systemctl
                                                                                                systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                1⤵
                                                                                                  PID:818
                                                                                                • /usr/bin/systemctl
                                                                                                  systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                  1⤵
                                                                                                    PID:818
                                                                                                  • /sbin/systemctl
                                                                                                    systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                    1⤵
                                                                                                      PID:818
                                                                                                    • /bin/systemctl
                                                                                                      systemctl "--job-mode=ignore-dependencies" start crond.service
                                                                                                      1⤵
                                                                                                      • Enumerates kernel/hardware configuration
                                                                                                      PID:818

                                                                                                    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

                                                                                                      0e9c845a2bc13ae304f9bbc50fc97c1e

                                                                                                      SHA1

                                                                                                      c8372c13188cdcf03fc4776245829216d2d9df08

                                                                                                      SHA256

                                                                                                      bf7d2d6b1bafed56a584666f7a1920d8939232a756999507040606f6cac541f5

                                                                                                      SHA512

                                                                                                      31a3217cb620885d7fb1c608947fc71f4e0e38accc1f0766917e2bf5b2428bca9192f76da02d7de0953033cb14076300e8229ccb5a3e518fbe2cb71b38f06d71

                                                                                                    • /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