Analysis

  • max time kernel
    90s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 16:20

General

  • Target

    8f9b77700f02ea17ebef08460239b017.dll

  • Size

    52KB

  • MD5

    8f9b77700f02ea17ebef08460239b017

  • SHA1

    6898c4b55e6c36c50084727a4e4e0b01ecf040d0

  • SHA256

    34fad68b6c275f4eaf9cf7d05b6809d8bc4208d9f54f3ed86fb0befa540fbbfc

  • SHA512

    059e6eefd62d453fc947618ceae52879dc95d19659ecaf84abe9b02c4635aaae0e688be5905c6eef746e61d5cf04a2edab4aa9485fa646ab4a3880cad58e676d

  • SSDEEP

    768:f4k0hggr6kYhevpUThIUfD2gPJeoeouMPQ7TBo5vHSCTZU35BznDna/IW6J:fqhNW/gpBGSXfoRQHBoZbQjnmAWo

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 13 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8f9b77700f02ea17ebef08460239b017.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\8f9b77700f02ea17ebef08460239b017.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\8f9b77700f02ea17ebef08460239b017.dll",DllGetObjectType
        3⤵
        • Blocklisted process makes network request
        PID:5016

Network

        MITRE ATT&CK Enterprise v15

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        Downloads