Analysis

  • max time kernel
    122s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 12:17

General

  • Target

    123.docx

  • Size

    18KB

  • MD5

    424a7db925246b8f5c11abd475191937

  • SHA1

    ad0d3eba76f1d2af08ec0743fc022c72995540d3

  • SHA256

    c9b1b21afafccaedb7f0b55583ea086a6ba282e6d8e345fd05a1a66c1db70ce6

  • SHA512

    1e4ce092169fb9131e8de6db4e1f7760da4716a0a88535ab1bdb0896730c9a0366a05c6de462c81e377b2d93590cfb9eefef05920262cbb578f7713b446c7026

  • SSDEEP

    384:FKwW/iQkN5nbgDy8UUcQ55f3qTmyUsHG72njxpoX3vG2Aqzm1asevgbVs7:Fmib7nbg3FxSmQm72NOvG23m1l8gbA

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\123.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:1988
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2228

    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

      4f20fe934604f5be652e3919b8988192

      SHA1

      0b5bf287b17bd53d4311a555a2cfc32d015e7993

      SHA256

      967367939048cb20e209f49df2d6befcf3c3f5f3b6c74725cf8645f802acfd6a

      SHA512

      12756884ac5ee308a9e4ce02e340b5d0bd850ff7175167e555845cc8c9e1bec6235adcc79ceac3b8abd0cd5d1d048818f026545ea055fea55f59050db0c5df88

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1988-0-0x000000002FAA1000-0x000000002FAA2000-memory.dmp

      Filesize

      4KB

    • memory/1988-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1988-2-0x00000000714FD000-0x0000000071508000-memory.dmp

      Filesize

      44KB

    • memory/1988-14-0x00000000714FD000-0x0000000071508000-memory.dmp

      Filesize

      44KB

    • memory/1988-44-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1988-45-0x00000000714FD000-0x0000000071508000-memory.dmp

      Filesize

      44KB