Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 07:47

General

  • Target

    wudi0323-090/驱动加载使用说明.doc

  • Size

    148KB

  • MD5

    3a61e3f85df44c08a8e7d029643526c5

  • SHA1

    3f6b6d0210713ec5d2065f35cc0ce3b828bb9e92

  • SHA256

    f5ac49d42ae753e0db2444e5e7ec733c2eb5cbaf5d215f013188ba6892d4b50a

  • SHA512

    08eef07551be099cf5aca76a17d28e9ed2cd2c6df7b8bb60087aec3caf32d69bf2555723e6d743d972e8fd73e12545f387a4d3c0230a18a525c370010c99c449

  • SSDEEP

    3072:VsGVsbwOZMAIIFViKcmqaqwoNNM1ymxkXn1sJX6fK/O/:CGqbwOVFVfcFzwoNvOkXn1s0

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\wudi0323-090\驱动加载使用说明.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:1720
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2748

    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

      c33bb2e9a5ef8f88b145c08951a05b9f

      SHA1

      ef360988287d4f9f6a6115867da59e6e8c65cb09

      SHA256

      c96378bf951975ea90609f9c3ff2cb096e0ead6d1db0ea4e38920b5914d3518c

      SHA512

      ff240b13196aa27e717c1cd76f0e8b2f23bd2c80f56357efdcbb12b6e898d596467ecdf2887ddbc9361ce0aff1ee7bc75f17ac3c3fb18d53b628964fc049c4bc

    • memory/1720-0-0x000000002F621000-0x000000002F622000-memory.dmp

      Filesize

      4KB

    • memory/1720-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1720-2-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/1720-11-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/1720-26-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1720-27-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB