Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 05:43

General

  • Target

    webplugin.exe

  • Size

    903KB

  • MD5

    d6b2329144e1cc520b9eb6c1efad9bb8

  • SHA1

    e93e1d52b996ef3fbeaaa565d78f64ef104e22f7

  • SHA256

    5f09de90db804401842617dddb5750c6a8d7a27edb409c91f2ef86d0198d3e58

  • SHA512

    9ad670546544446ece6ac79ec2e77eabd0a12db112da4a3cccf4669ad3e17eeab561b1a605fbb40e6a9f1c77ff50f029e068b7b4fcba1c009060fa571b36aefa

  • SSDEEP

    24576:TrN2WkZj5repeNZOqTU7XwA3JBcVDe9Pku2C:XNDkZjV53fpeaVckXC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\webplugin.exe
    "C:\Users\Admin\AppData\Local\Temp\webplugin.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe
      "C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe" /regserver
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:1056
    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe
      "C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe" /regserver
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:3256
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "atl.dll"
      2⤵
        PID:4192

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\DHSurveillanceDll.dll

      Filesize

      352KB

      MD5

      bc1b51f060e5268a471ade14ce739c6d

      SHA1

      42fec20b1d7f65775e8299c14f2b1bbb624954a7

      SHA256

      568bea8883057e2b4901cf9ba20bf041ef94a0b421dd9ff12b96fc6d3d53ae39

      SHA512

      eb39aae6da85d4664395df2000677beabde7e809afda51dda23e2ade54040ad59950cd295e03de747ff3501ca8824dbd958900df418b9366dd11c22ca671bb2f

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\TimeGridEXE.exe

      Filesize

      52KB

      MD5

      229e2e90b17c38383ca151c2c0a98651

      SHA1

      14678051c63cd193ff6db1dda11bf54e1ea93621

      SHA256

      5db1910499f88f3d40af746d6cb0d50c10e955bee3866b05c6ac752b5a154ffd

      SHA512

      38d0394c34a26c8cb2b1ed5b307718f31c1f4f05be8899e47245b86e301c8b48aeddd834f15459c84997e56a5eff344fce726dd9fbfa8323d02ae0e30d565b0c

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\VideoWindow.dll

      Filesize

      184KB

      MD5

      01861226a315a980d1f14c6cfdb6e393

      SHA1

      ad2a44f81bd0b5530d22d36998ab9ca2b765dcec

      SHA256

      ffcb28ce41eee07201f753a5cd302cf9f88312c29eb8f101c5e2170717bfd3d5

      SHA512

      c7b27a1e0c08d0d4c79278cac5d90ecc84c5e68188b04de26c17d216484e541fdfb3a48c24ed6551d36e69c5effd65e64b4a3759c76ef884bd6f6ade83137e0c

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\WebActiveEXE.exe

      Filesize

      128KB

      MD5

      ed6d2f2dd69c8a9d11b69c972be13db5

      SHA1

      ee9625e42c4a5aa4708ff655b4a4f1eb5be80119

      SHA256

      1e86726139c008fd1ecf70188aba349e839c924778ab34a5457f6dbd4c42a5a9

      SHA512

      7f5a44da1eafb54ec2dab0f35c5e3c3aae2fe0b75d004174b362a77f4f1324063ea4ebb1007d92907281b65e6431f39f0091200a2569f2e27bfde5aac41e6c08

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\dhnetsdk.dll

      Filesize

      872KB

      MD5

      58aa81962eb33c0bae91663559c7aee9

      SHA1

      2ca99598b0762024b7d2f88be5cba936715464a2

      SHA256

      5ee2b71ddb06d1c11e3e503a49168e71c04d7255e12d7670b3d0f6d9333e1229

      SHA512

      0f437be665ea536506295edecbc8a686458de1581bdca59378e96d6d2667a507207c942ae07ac882d6e003621f1cb6255cd77cf091036807a582c2c6d2e0ce7b

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\dhplay.dll

      Filesize

      304KB

      MD5

      6f9a041bd79925c43e7a93c6fd279223

      SHA1

      04921c3f5dfd6177da45ac65c3dee02980c61c6e

      SHA256

      a20d8defe0339a2bab188e971685af1ee2862db8fc258c8dce8b5e2cea8719dd

      SHA512

      06256e86faf2bfbfa1d93c20e2db93af750fa5df1e64d824ef02d5b740c9bd18d7d95d926e4f0fe0a8e865d84d1284c8dc50283460183ede130d53523260c20f

    • C:\Program Files (x86)\webrec\WEB30\WebPlugin\timeAxesDll.dll

      Filesize

      104KB

      MD5

      6e188fb1ebd4777bff8a0c418e60f7ff

      SHA1

      be1e8e9156ea895d88798b3e0536811ff8f089c9

      SHA256

      545e9d781569951a55afefc626fb222bbeda4f7299bbf3367b25cb279abe39f3

      SHA512

      da9cb3f8b1b68daa70d2dbd28b8c0d92780058513e7acfd1f6919f153658f64f8d3ebdf5ddc3af9f5f7ff8483500d192c7971c6da6031c3082afb176d089077c

    • memory/1056-31-0x0000000000B70000-0x0000000000C4B000-memory.dmp

      Filesize

      876KB

    • memory/1056-36-0x0000000003EB0000-0x0000000003F08000-memory.dmp

      Filesize

      352KB

    • memory/1056-28-0x0000000000A80000-0x0000000000B6F000-memory.dmp

      Filesize

      956KB