Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 01:07

General

  • Target

    5907a3027da4444e5168c87961b5b296e9c60f5bad1440bf6430950356810646.rtf

  • Size

    108KB

  • MD5

    86aeed38ea2b6db00704b7019bdb5767

  • SHA1

    a314ae90d5c2ebf70b1650827555d4576eeca7c7

  • SHA256

    5907a3027da4444e5168c87961b5b296e9c60f5bad1440bf6430950356810646

  • SHA512

    6ecb592766d28c4b6ebb37bbb7cdf8ccf8a2aa783710a96b6ed45cc75cf9b832c66f5879d254415b9f9e8aec210b09b85c7d1e350f95c1f46833a1a706817241

  • SSDEEP

    3072:xalWoDJS6QYhxp4y36JFQvdirgAmllCPoPTgszib:xaEo1XLCy36JFQvdirgAwUUgaq

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • 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\5907a3027da4444e5168c87961b5b296e9c60f5bad1440bf6430950356810646.rtf"
    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:1736
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1244
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Launches Equation Editor
      PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      9b902690a1b933af6cf8f0b4331cdaa2

      SHA1

      326a8ef34436108e2bf6e98128eb5471b01f22f2

      SHA256

      f691c250558e6f8b3bfbf51ef7dd12450aa037679bbf56bbb93a2627a311860f

      SHA512

      5e7cb8498c3bea623424fa38588fcf88ef78a0d77fd6e54ea19d1ed0972f8913f2080756bd4f301a358de9237d086947291aeb4f4b167e96840e31d3c0d86b9d

    • memory/1736-0-0x000000002F0E1000-0x000000002F0E2000-memory.dmp

      Filesize

      4KB

    • memory/1736-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1736-2-0x000000007194D000-0x0000000071958000-memory.dmp

      Filesize

      44KB

    • memory/1736-5-0x000000007194D000-0x0000000071958000-memory.dmp

      Filesize

      44KB

    • memory/1736-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1736-30-0x000000007194D000-0x0000000071958000-memory.dmp

      Filesize

      44KB