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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2023, 07:32

General

  • Target

    mcu!!.docm

  • Size

    785KB

  • MD5

    81cfff743ca68149c276a0cf604fa637

  • SHA1

    ff61b306c4ae486cef2ca3952076a827bbf3f893

  • SHA256

    46407f5e5e23560a43bed427ed3306439c23626eb71de48832a56abc8bede3ab

  • SHA512

    280db74e778c7736785f5506df7a11af72c5854f869aba75180e5fdd593ff99b60238badd15094d7993a7b27dcdc1bf3662b6e4ab2e151a4f50a6887b39c6936

  • SSDEEP

    12288:0Jt0+45H/5SYg1mmWvt7ZYRpzyMt+Y9HYys7y8VJuXVWg0f8KgOVwYnA0etQfJ+A:20B/5U4t7ZEEIcJuXlA8KDA0etKAhy

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 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\mcu!!.docm"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2768

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      3f27f641940f953b63780d46a56942e6

      SHA1

      d73c8c26aa72b8967d272c562967a30043e6df1a

      SHA256

      86d33f5a101ebe0c03b5902aa8648305d101d92737b92b0f5b9fad6beca2c110

      SHA512

      d4464f4aae49d8f5e467771cd387b8dc912cab0d083ba257ddeefb023153fe6cb88a1c5eb745095991bae55d4cd35268a73f052b3c01ee38959efe88f8370a1c

    • memory/2804-54-0x000000002F450000-0x000000002F5AD000-memory.dmp

      Filesize

      1.4MB

    • memory/2804-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2804-56-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

      Filesize

      44KB

    • memory/2804-64-0x000000002F450000-0x000000002F5AD000-memory.dmp

      Filesize

      1.4MB

    • memory/2804-65-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

      Filesize

      44KB

    • memory/2804-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2804-86-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

      Filesize

      44KB