Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 15:40

General

  • Target

    2024年二季度员工补助流程.docx

  • Size

    41KB

  • MD5

    3dbb6bb4f7182594147600058be4d948

  • SHA1

    33f2f10912762f9660d115cb8addbe15cf7ff3e7

  • SHA256

    99924d37523de5cdf173f694f59253c45650681f629595a4078990b4ec5721d2

  • SHA512

    9c18792a2649866a0ec6dc41d0cfb7cbd6c2b007fe5de6d34be4db9a9434a084ccc541aa54450b264162f6c1cd993f9cb965cfbcdb6812c8300049d49432c22e

  • SSDEEP

    768:La/l8k4gsxkMp3bmY9UOjwatuNokSZDsYgYRo1fSXTeXOPGW:Leln4pRxbmHOMYuNokkDsYgYRo1KXio9

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
  • Suspicious behavior: AddClipboardFormatListener 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\2024年二季度员工补助流程.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      e1d177e642f21b4117a7a2ab656bf536

      SHA1

      97d091cb3bfeb9a8dae4f49ff85f0be0e63541f9

      SHA256

      7fc31f3861da201e577f28ba5e3b8af41a33423c0833ff2dc9a9492add3d8451

      SHA512

      8b3b98402a891451d1fcc7e6db44aaff7df0a4b72c6ad5fce6950ef320653727949ad5ce4d218835959b56c832302eae739f32ad0231089ba68622dd9a4a1482

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2148-0-0x000000002F231000-0x000000002F232000-memory.dmp

      Filesize

      4KB

    • memory/2148-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2148-2-0x0000000070B3D000-0x0000000070B48000-memory.dmp

      Filesize

      44KB

    • memory/2148-23-0x0000000070B3D000-0x0000000070B48000-memory.dmp

      Filesize

      44KB

    • memory/2148-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB