Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    17-02-2024 23:18

General

  • Target

    Challenge_FIles/Work_From_Home_Survey.docx

  • Size

    26KB

  • MD5

    41dacae2a33ee717abcc8011b705f2cb

  • SHA1

    4b35d14a2eab2b3a7e0b40b71955cdd36e06b4b9

  • SHA256

    84674acffba5101c8ac518019a9afe2a78a675ef3525a44dceddeed8a0092c69

  • SHA512

    11f7177dc3c8a804ff6450477e15aadd20fddac98205008db25a4f6ef69a54b7cb7c9dd0d7bdf1b1d317f306482d86ad5ef150530194de7d8dbe344203962648

  • SSDEEP

    768:8HVoVneOa0HD/vb9EVoiJWq8UCei96T8vuX3m86RAFvg5e:8QVvbvb9wnIq8OitP88eY5e

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\Work_From_Home_Survey.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3004

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
      Filesize

      128KB

      MD5

      b4a426cb679ce5ab10bab574596f51d1

      SHA1

      8040de45e51ce3e2ef4396a890e8ad0f6b52a3d3

      SHA256

      f27cbe4175dbcb53bb888deee6f6c1065b65c892f72e89bfde620d5ef69a988f

      SHA512

      4b09c99541ca34daa32024a4504391244dccf9efd5a294d765f26a3e43b3fbf4f30a42122c66880616d114bad7238dff1b30b7f48fbc4d00a1f7b8e82d7fb161

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{03D58274-62AA-413C-A78A-7B183B19F987}.FSD
      Filesize

      128KB

      MD5

      9e961dbad8a02e9238cacba206b43f76

      SHA1

      17d492edcaee68950498495794db8cf1814fa3cc

      SHA256

      01f95ca9e8c4c2c273a82610a9c8a47761c3bbce20863dedc811af57ec033542

      SHA512

      fd2e41b38f3ba1178f9e503b28a17c560ebfe488be7607c4456d20bd9332127d58de7b93b8223dfcafbb9ae0b524918cc84419cc00c23404ecf31cffcd24bbad

    • C:\Users\Admin\AppData\Local\Temp\{C09A2FAD-A4C3-4F08-9F50-45AE600BB368}
      Filesize

      128KB

      MD5

      8f417f1e8c231b4d963b4464b3c2f2d3

      SHA1

      6ca89033ede5eec3044ea5e20fbeb864462b8c22

      SHA256

      ebbc0e640c374b6b86fe16e326595205db110444686be40c5925fa32b85fbc4d

      SHA512

      60d0c5d52d8a7f58b5f7451f1660d33bc598c8ade72d3bf50e237b9e80c893478273ece4b5187643f93b2a5f204fac8bb2ecefaa5c3bfa8f1c3fd8f55df45df6

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      2b3eefe5d9d0f1c48055f2c15cccd938

      SHA1

      c934ec79b5b5fcaa2b5d5cd940dd46690cf6c880

      SHA256

      07c0973d7ee7e8a7eee7e9c819fe62a22e31d1757e47353655b143a83dc4ff36

      SHA512

      0938f09503242d5f9f7db8729d4eede96cd6da8e192e4769cb7c6f31989c6712175267ed5139266bcfa48cceabb37e6fcc1daa8ebd8d2a7cde59a93e96c67b97

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2012-0-0x000000002F201000-0x000000002F202000-memory.dmp
      Filesize

      4KB

    • memory/2012-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2012-2-0x0000000070D8D000-0x0000000070D98000-memory.dmp
      Filesize

      44KB

    • memory/2012-77-0x0000000070D8D000-0x0000000070D98000-memory.dmp
      Filesize

      44KB

    • memory/2012-101-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2012-102-0x0000000070D8D000-0x0000000070D98000-memory.dmp
      Filesize

      44KB