Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 04:05

General

  • Target

    KHSmartNoDiskVer_386w.com/内网安全卫士安装及使用说明v1.5.doc

  • Size

    1.2MB

  • MD5

    7f3e3f6b478cb53d979bea0220555b99

  • SHA1

    f5100ee6b7c1dfc91ca1a8faf667917a06dcf6ec

  • SHA256

    2f3b842633efb3e8e565c4a7f055489a69dd4e77e7d33bace95c4aa8dd189f4d

  • SHA512

    9f33ae12ccbad40baa5d9a032d5de937e2ea77c28ea95667d2f22a9313394502b72db397aedfdefd4bee3630e8b657e6bca563efb7cf97cd06b80094471d501f

  • SSDEEP

    24576:emoAQG1kBccC8GHKUJHlH18qP57JzeoUYlbf41bQrReE:emoAQNBV3PkHlH18qPJJzeoUYlPrR

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\KHSmartNoDiskVer_386w.com\内网安全卫士安装及使用说明v1.5.doc"
    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:2116
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2972

    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

      5e57aac628c9c5341914917fca557bf0

      SHA1

      6b7f6bf8700ac5f51c43b1ba595bb25cc01001d7

      SHA256

      c2e1d010f6f0c5614712e957f1d68df7d73480c22ef6f58d0cfc7be8b97592a1

      SHA512

      902065c7c62581dc384e0e80c6aa10fc24b6b8d9f280ccb2972515440c66556981d2c8a1fe77b8856228594eb5ff598515874e156bcc4a5dac008bf6a82ff27d

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2116-0-0x000000002F1B1000-0x000000002F1B2000-memory.dmp

      Filesize

      4KB

    • memory/2116-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2116-2-0x00000000711DD000-0x00000000711E8000-memory.dmp

      Filesize

      44KB

    • memory/2116-20-0x00000000711DD000-0x00000000711E8000-memory.dmp

      Filesize

      44KB

    • memory/2116-38-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB