Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 01:31

General

  • Target

    数学工具4.5.11/数学工具使用说明.doc

  • Size

    4.9MB

  • MD5

    cca711eb00761224015c559637367ff2

  • SHA1

    702130d1df72cb8a21c98bfcee5bca3699d9becf

  • SHA256

    3e89b25201855b10cacb23ad6261c9aaeb0021da71470a38c120bcf32d8e5220

  • SHA512

    96aee15acbbc33bafff1e869110dd245ff2d3ba1eea23bd8eb8fb75944a0c98f5e51fdb4f58148bc6d21b3ca4c9886e8e0974ba2f4739990d9b9467d9c1a4695

  • SSDEEP

    12288:GVVbM60pVVVN/Yz0AEIX7uh67/ibeiZuXyN:GIBA1tu6id

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\数学工具4.5.11\数学工具使用说明.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:2432
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2072

    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

            340b22163b85c35d636f8471e13761e8

            SHA1

            869293c7a6efa69ec8949998518b73c26449338b

            SHA256

            48c05c22a8714cede3483ab7b9ef337f244af8794f566eb59c7d2248421f1dff

            SHA512

            f5c92837244d0933b0da99efbd06697fa08e308a059f9dea5d065deb7a6274a3ced6538e6c40e2d166795dc3ce59121e73724186075741bbf590c57639efacbc

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

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • memory/2432-11-0x00000000063A0000-0x00000000064A0000-memory.dmp

            Filesize

            1024KB

          • memory/2432-8-0x00000000063A0000-0x00000000064A0000-memory.dmp

            Filesize

            1024KB

          • memory/2432-9-0x00000000063A0000-0x00000000064A0000-memory.dmp

            Filesize

            1024KB

          • memory/2432-10-0x00000000063A0000-0x00000000064A0000-memory.dmp

            Filesize

            1024KB

          • memory/2432-0-0x000000002F8F1000-0x000000002F8F2000-memory.dmp

            Filesize

            4KB

          • memory/2432-2-0x0000000070E3D000-0x0000000070E48000-memory.dmp

            Filesize

            44KB

          • memory/2432-26-0x0000000070E3D000-0x0000000070E48000-memory.dmp

            Filesize

            44KB

          • memory/2432-27-0x00000000063A0000-0x00000000064A0000-memory.dmp

            Filesize

            1024KB

          • memory/2432-28-0x0000000008430000-0x0000000008530000-memory.dmp

            Filesize

            1024KB

          • memory/2432-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2432-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB