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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/05/2024, 06:48

General

  • Target

    409239eded911637708f859255dc90c8_JaffaCakes118.rtf

  • Size

    19KB

  • MD5

    409239eded911637708f859255dc90c8

  • SHA1

    96d1950509af3a9a94f0a9d8a16bc0284e3149f6

  • SHA256

    11ce880de1396d1d50a1240288fdc0273b7a2cd49ce6012b4f759b8831fb7e8b

  • SHA512

    03d9eea789b2392337a3fa7149de4c4e2a7c7e64929906c581525dac33690bcd61fc42de27445d3ba844eee6bab7044c9587c1540b6bd92f3c16a9db753a3efb

  • SSDEEP

    384:vHxcWi1mN0xJSA/2TjYz9G6UGFY/d7nBAWEml5IaWKDZax1:ZcLMN0xQA/2TjYzESFY/d7ltl5dWKDZQ

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 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\409239eded911637708f859255dc90c8_JaffaCakes118.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:2256
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1640
    • 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:3012

    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

      09e67772bb243efdf9c9cc157782ab8e

      SHA1

      09d103eb237e9889f7e049be8a39d2efc4e2d53f

      SHA256

      51827371742f5140c2eef424a39b8011e87e925999c2b2859eaa722c433901f3

      SHA512

      af14a65f53b1462e44b0c9a3b47be3f2da3c74345bfbfcb30ed8912e04c57bb2614c6ac74f6ca676d63fc49969854f333619f8a3269c2ff5b109636de917aec7

    • memory/2256-0-0x000000002F541000-0x000000002F542000-memory.dmp

      Filesize

      4KB

    • memory/2256-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2256-2-0x000000007101D000-0x0000000071028000-memory.dmp

      Filesize

      44KB

    • memory/2256-27-0x000000007101D000-0x0000000071028000-memory.dmp

      Filesize

      44KB

    • memory/2256-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB