Analysis

  • max time kernel
    166s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 06:42

General

  • Target

    fdff8387f45a3cee3354f45a3cc95455eaafa032756b21e360ccdc345ab3b2f9.exe

  • Size

    3.8MB

  • MD5

    0125683b50471b887dd416f72e021417

  • SHA1

    06700ca90cc5511aeaae8bfd2e60f3de0fb8512d

  • SHA256

    fdff8387f45a3cee3354f45a3cc95455eaafa032756b21e360ccdc345ab3b2f9

  • SHA512

    ccbe967b75cf36c82af93918c73c987ea4fa7432b88e1912eeabad9655480b34e73cc21662be1ec0001b35cfe82e47bbfcab72df6bf4eecc7d525eb540056e4b

  • SSDEEP

    98304:xM5P6ZwrV/HZUydS1sUW5xf1g2pG3Ttaqevs8SdmzOxDa12hggS/0l77YwdQe7e7:OrVOyqg

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdff8387f45a3cee3354f45a3cc95455eaafa032756b21e360ccdc345ab3b2f9.exe
    "C:\Users\Admin\AppData\Local\Temp\fdff8387f45a3cee3354f45a3cc95455eaafa032756b21e360ccdc345ab3b2f9.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3104
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.dat

    Filesize

    4KB

    MD5

    df2c14c3d0c0434cd9eaa8d67749bece

    SHA1

    1951b60991974d468e44b4d697501e61a9b8f443

    SHA256

    8039f40e6851e9a867fdddb211fa1efc3b6c723164a465dd0eae3c540e0d4fe5

    SHA512

    ef196e9a4e3d4db4bb5c383012fa5d20fce5a0bbb3d7337634253319c1239384b2c4c0b8fbc0732f9cc1ad1ae2fc67018d9ec0650d5921bcbadfe0c887ea0888

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.dll

    Filesize

    626KB

    MD5

    4e0e23ba26861ab8e3108cff4dad6444

    SHA1

    0656dbf15e2f027ddc3a8085f527afef8ed2b2ce

    SHA256

    ded4862864f6f4193cb22da1f0c2014c189c0f0711c73a21c4823ae81737c413

    SHA512

    929a6a57887dd323ed46abc8af8a9b8025692542177f8707f069b2586ebafba0c869af71be6672b6502b9a902387614911136ea09923ae262b38c496dcff7682

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.tlb

    Filesize

    3KB

    MD5

    483914b56a1cb353f0a197a745876aa5

    SHA1

    f1722f19285f64c9972629125596313ae4785fc5

    SHA256

    53d0ab33abb39dd687a9f14671e5e7ea616595ad4a0a0b816552dfa6d0fdcdd4

    SHA512

    bfafa826bf3c5efa3b3bb3cc5e5d4b9e7e639ba7a779e71c7592f4a215195a2a77cae962cb6501c3a9bba7f71d352d87d54c58baae252a746800a9db057ccca5

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.x64.dll

    Filesize

    704KB

    MD5

    02f633490a7d26daecca911445bfd102

    SHA1

    b30cc81d90cf6bdc9001ce25bcc4fcf13e2107a1

    SHA256

    d016ffe9fe06d687ba6003e695c6fbccf70c70456ae9e5085da743178fc2fd0f

    SHA512

    9a2c22e89befd3ac7bda0ee2ed6e291fb112833a1f5ac964ddae6ffea2dfbb36bb09c1065bb9ded71fff8a14ee4e6ae677f2514d7a684761319037e2a04c7498

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.x64.dll

    Filesize

    704KB

    MD5

    02f633490a7d26daecca911445bfd102

    SHA1

    b30cc81d90cf6bdc9001ce25bcc4fcf13e2107a1

    SHA256

    d016ffe9fe06d687ba6003e695c6fbccf70c70456ae9e5085da743178fc2fd0f

    SHA512

    9a2c22e89befd3ac7bda0ee2ed6e291fb112833a1f5ac964ddae6ffea2dfbb36bb09c1065bb9ded71fff8a14ee4e6ae677f2514d7a684761319037e2a04c7498

  • C:\Program Files (x86)\YoutubeAdBlocke\sJnWX5Ye4mw3Fo.x64.dll

    Filesize

    704KB

    MD5

    02f633490a7d26daecca911445bfd102

    SHA1

    b30cc81d90cf6bdc9001ce25bcc4fcf13e2107a1

    SHA256

    d016ffe9fe06d687ba6003e695c6fbccf70c70456ae9e5085da743178fc2fd0f

    SHA512

    9a2c22e89befd3ac7bda0ee2ed6e291fb112833a1f5ac964ddae6ffea2dfbb36bb09c1065bb9ded71fff8a14ee4e6ae677f2514d7a684761319037e2a04c7498

  • memory/1300-138-0x0000000000000000-mapping.dmp

  • memory/3104-132-0x0000000002E80000-0x0000000002F21000-memory.dmp

    Filesize

    644KB

  • memory/4168-141-0x0000000000000000-mapping.dmp