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
    22-12-2023 14:51

General

  • Target

    How to install REFOX on Mac.docx

  • Size

    1.3MB

  • MD5

    f5d1134ce9eb7318b73cb6447dd68ac6

  • SHA1

    46c9a8ee647d78b683bda7b2433dcd29a5cdca8d

  • SHA256

    d62bb3ee73647e01c2f9fe390c3e7d258968bf225e8958aec7542dd2494547de

  • SHA512

    ef3a9b21672458de3a3a53bcf80569fab10a36230db417b084d9fe19e482d9556c22549acfe115eec78ca9ace592b07f0748fd226dba4cf97e4e84d407cc4155

  • SSDEEP

    24576:MYD05kiqG2CW7tpsRQnNGnAvwsnYteM944FJDIj38W506lqg1n+D5KgKDIW4GD:MYYzqG2CW73GQnN4AvwltPzDIr8X6Rr5

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\How to install REFOX on Mac.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:2000
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      82ecf34cb1b2aeaa7c15dbf4c5f53ef1

      SHA1

      86e3dfcd54481d77f945c14db1e76d625b2c8310

      SHA256

      e33415ed709a2d3ef789d73a463178be9667412a101e0364b6308a7269d5050d

      SHA512

      7a350ac82bf96921f7266889a2cf8a86b18f663737a49a5ca87ea164b8d376a59ffb5fb6e86f97690b1cfee543e282e641a72436ee96579aaa904c567914bc69

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2000-0-0x000000002F5D1000-0x000000002F5D2000-memory.dmp

      Filesize

      4KB

    • memory/2000-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2000-2-0x000000007174D000-0x0000000071758000-memory.dmp

      Filesize

      44KB

    • memory/2000-23-0x000000007174D000-0x0000000071758000-memory.dmp

      Filesize

      44KB

    • memory/2000-44-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB