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Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 11:49

General

  • Target

    23-lettre-de-demission-cdi.docx

  • Size

    40KB

  • MD5

    15539fc498819c9f52de840423c44653

  • SHA1

    d11d7df3a4551832134de978aa0146a32b3c2393

  • SHA256

    ebc5c0ba3f38019087f62901b921ae150bea39439f0910345f9434a275d21fd0

  • SHA512

    0be8ed08d0391593594a1d96fb57f259210987380bf964f53527f32c97d422e382963cfe981e025a134eb3a5fc2deff67b30822954a8fb5dc682b16e50ec3598

  • SSDEEP

    768:BLpLa+fyS0qNHaByrUsP00C+QAkTEyCouvahAzAGETgQQmy/zGbm:znKS08ac5M0XQA3JvVAFgQQdyi

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\23-lettre-de-demission-cdi.docx"
    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:2852
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2576

    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

      9cd2782f2d7c0913dd07b9b45eacdfba

      SHA1

      ea04277aa73f4a82bc75a1ec4a6475b11159ec5f

      SHA256

      ab72ff015b377a4b9826c2015555cc0049cefcd310dce459afcf7d8c32fabc3d

      SHA512

      abb9cbded77065e0b1e4c6fa824dd5a29e2d1481e2fb86944d9f2a52b15d6bc666720d04c7d0e75dd9086e87bb50177e3b85e2f228a67af2e2a040a2e7322a25

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryES240a.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2852-0-0x000000002FA01000-0x000000002FA02000-memory.dmp

      Filesize

      4KB

    • memory/2852-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2852-2-0x000000007147D000-0x0000000071488000-memory.dmp

      Filesize

      44KB

    • memory/2852-23-0x000000007147D000-0x0000000071488000-memory.dmp

      Filesize

      44KB

    • memory/2852-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB