Analysis

  • max time kernel
    183s
  • max time network
    229s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 13:56

General

  • Target

    2387c15e599cb23223f65a307d042aae.html

  • Size

    228KB

  • MD5

    2387c15e599cb23223f65a307d042aae

  • SHA1

    bf4b610b7d09f6a8daceced5d541ac9d9ef232cc

  • SHA256

    fba4861b7979b4be297fde28d15a02fde9ad4d8869a1063f2c927d3473a12a3a

  • SHA512

    c0e488381fc39a04ec0e1f4cbbbcd92e739c7373b86fd3f81ed7a01e0bfd08eb1725adf85238d5a6455dcf9962c8c3b1229f40537fcf07601c9115ed77668851

  • SSDEEP

    3072:S38yfkMY+BES09JXAnyrZalI+YaayfkMY+BES09JXAnyrZalI+YQ:S3hsMYod+X3oI+Ya/sMYod+X3oI+YQ

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\2387c15e599cb23223f65a307d042aae.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:275457 /prefetch:2
      2⤵
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
              PID:1928
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
            "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
                PID:2516
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:5911555 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1440
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:406546 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2176

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        9f5c61bfbf921b46f23544dce3ccbc8a

        SHA1

        2f07a789bc82f6409eaa37786aa7a82bb275f44f

        SHA256

        301a138ad5203f94bb0f2f634ce4c2f36e75007e9acfb0dc7678a1bebf53b836

        SHA512

        781263e53b6598bdc781b057b571b098a9b0d32755e23606e5522069765ae6af3e4c6cb1c43cc3952c646d85baa36a1d9e75d9a03b1b329d4e1340aed1a037ae

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        06fc394e6abeed2924b8328629de1a0c

        SHA1

        8111ad259d2891ae5398dc29c3d86e0cc273a3f3

        SHA256

        96856e372a433fb082eb82a396b754d26878ed624220b2ef600144758fdb0564

        SHA512

        8a3dc8f98201303ebf03ebfd71c585c3b3e7e23eeebfdf85d28ceac99f83cfe6190f95133f89afcd0520ea2d61dd677f785da8055d3a0666b4508dc669b5ab25

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        17e6a5b0e32265fe599d172a39189427

        SHA1

        7e78a1424b74c098b0cbb4ba792df1dfb37cf902

        SHA256

        0e66a20e2856113a9d3121d0adf295f2108af9c7c73bfa7d6b6335998747baba

        SHA512

        052b9640ca16991a305faf2387c1e41e8ecd4f85a4b92cec89c3353f5d765bda42fe8820773702ecd687da5c4ecb31b34a7cca836843f4b217b307a808b44f84

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        a3d9bbc08ac6c1df1528d304abd9dfe5

        SHA1

        6a6d2eb95f26fcbef3cbd995f2abf65353bfa7ad

        SHA256

        93377186f798dc9fada5340aecd7a2a1090fa6bf82165ffe947083f6473aafbf

        SHA512

        373b61029495cfcf6069f99f6d243fbf4e0c07638da528b14c900dcfea8c5f099243a5e71be7e60de95de571bae73723c9461e49f7d5a3955e612d26c9ca51aa

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        c124e5acf5b259ceb8e0d37cb66bb971

        SHA1

        e7293d2b7c9912f60f372175694566d25c3b7989

        SHA256

        d47011c6f8af0807282accd3accc129eaf55c9a942a600f2c935a6286a8501a1

        SHA512

        313ade7449f7b1d6888db088b4c664f9ed531c9562e1536827c22129824edcbc2b36cbcfb83580f82f1df82ab67b2b09775d3e551451c324337afdcf3d83a4a3

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        388fd4e45e371875072087148880f80c

        SHA1

        a3b6582cbcd27a913aa6225b833a8b369840f18c

        SHA256

        6e0880e785a147399cc5e8af1827883417f57f449f619b83dbb1264cdd1ae576

        SHA512

        a6a3d8c92677a7301dec0cbc3538f8036c96a48a274dc4802d95754e0289148af7ccb0b57c6c660c7edf545edbfe3fd27c8f653fc3a9e88c33df6c4335b02bc8

      • C:\Users\Admin\AppData\Local\Temp\Cab8ECA.tmp

        Filesize

        65KB

        MD5

        ac05d27423a85adc1622c714f2cb6184

        SHA1

        b0fe2b1abddb97837ea0195be70ab2ff14d43198

        SHA256

        c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

        SHA512

        6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

      • C:\Users\Admin\AppData\Local\Temp\Tar8EEC.tmp

        Filesize

        171KB

        MD5

        9c0c641c06238516f27941aa1166d427

        SHA1

        64cd549fb8cf014fcd9312aa7a5b023847b6c977

        SHA256

        4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

        SHA512

        936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

      • C:\Users\Admin\AppData\Local\Temp\svchost.exe

        Filesize

        31KB

        MD5

        f462bb4e67aba8d05ece8e760d0c3375

        SHA1

        0df77ac29c288a176cfd47938add1c7cef8bc33a

        SHA256

        76837ec2687db145f81010b6cc59f5cdf449d5e9607349017939f8c6a8528ca4

        SHA512

        d7ea8ed63c620927f46f4f36a537633961cbbf424af459bf612eafba8f0a6c493e37b31873ee28baf86190fef63bc1ac9d11e4acac2594429d6bd07a79c8f030

      • \Users\Admin\AppData\Local\Temp\svchost.exe

        Filesize

        55KB

        MD5

        ff5e1f27193ce51eec318714ef038bef

        SHA1

        b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

        SHA256

        fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

        SHA512

        c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

      • memory/1536-17-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/1536-19-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/1536-21-0x00000000001C0000-0x00000000001CF000-memory.dmp

        Filesize

        60KB

      • memory/1536-37-0x00000000001C0000-0x00000000001CF000-memory.dmp

        Filesize

        60KB

      • memory/2032-18-0x0000000000240000-0x000000000026E000-memory.dmp

        Filesize

        184KB

      • memory/2032-10-0x0000000000230000-0x000000000023F000-memory.dmp

        Filesize

        60KB

      • memory/2032-8-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/2032-6-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/2376-27-0x0000000000230000-0x000000000023F000-memory.dmp

        Filesize

        60KB

      • memory/2376-26-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/2964-35-0x0000000000230000-0x000000000023F000-memory.dmp

        Filesize

        60KB

      • memory/2964-306-0x0000000000230000-0x000000000023F000-memory.dmp

        Filesize

        60KB

      • memory/2964-34-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB