Windows 7 deprecation

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Analysis

  • max time kernel
    101s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 02:32

General

  • Target

    $PLUGINSDIR/DefaultTab_license.rtf

  • Size

    14KB

  • MD5

    b97839b3cfe1f7e62ef09d5a2815ed81

  • SHA1

    e569ba28d4a88a6e23551b96b3cec0e710b99487

  • SHA256

    f2c89065a00e08202756cb383d3092b685dcec2075314f494df71bf8ec01fd11

  • SHA512

    227a2a1b5322dd183ca7463aec8613447b8670e97011e26286d2718571ca76a6206493aee2bb3c747bdd28892ee9820e3da58e3e69e0d42051e26b112aabc221

  • SSDEEP

    384:ZrPL4Pgxpgc7u2ucXCN6CCnNA9NDrclFyLkH4A2:9Og3gwu2u3N6CCnNAfAjHS

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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\$PLUGINSDIR\DefaultTab_license.rtf"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

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

      Filesize

      19KB

      MD5

      23daf8198acfca7dec5b4ebd7e943658

      SHA1

      5d65477c3f8b94e264f52ae12d19d4afbe22df34

      SHA256

      ea290b28ee43a922d04e3a93cc19247c6ae789d170c1e8c2128cc7b96327b43e

      SHA512

      b71fbccd1dcd4c29a6f65592378c4c50ec650212775569d7e3408f25f4904c47480af417c8e4eb129d84ef029f4d63a3f31fc50b12b7674aa659c3a4b6e1c204

    • memory/2776-0-0x000000002F6F1000-0x000000002F6F2000-memory.dmp

      Filesize

      4KB

    • memory/2776-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2776-2-0x00000000718ED000-0x00000000718F8000-memory.dmp

      Filesize

      44KB

    • memory/2776-5-0x00000000718ED000-0x00000000718F8000-memory.dmp

      Filesize

      44KB

    • memory/2776-23-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB