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Analysis

  • max time kernel
    160s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 12:56

General

  • Target

    8fc5548b417c2d0488e9a451948a46e6855540556323b8f860a50f71c84ab65e.dll

  • Size

    3.0MB

  • MD5

    c209b042f0039677570328330ae371f2

  • SHA1

    3408e8e71ea8261050c90b595a3fe1721b806402

  • SHA256

    8fc5548b417c2d0488e9a451948a46e6855540556323b8f860a50f71c84ab65e

  • SHA512

    cd95df0fa1003e5db9243f2728b9bcad387863b461c75dc5b2bf90d45750e0e3e6d9ab8ccdd79cb6e54670f28c0b915e72ab75239a5d1e1ce8224eeeb843681d

  • SSDEEP

    24576:wRgU7h9YB21ANiCYb5GS7S6t694HI8rVOn2kPFnuOCguF3YqO0jE9ocuPrj4FLT5:wTSTnuOCpO0GQegzRl35ljTRYO8mY

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc5548b417c2d0488e9a451948a46e6855540556323b8f860a50f71c84ab65e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc5548b417c2d0488e9a451948a46e6855540556323b8f860a50f71c84ab65e.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\iext1.fnr.bbs.125.la

    Filesize

    724KB

    MD5

    7e85eced4bcf2a32b78e6268271a8457

    SHA1

    40638208249d6eb2526bdd0eb9efdbd93ac95a03

    SHA256

    a0ccd9c5b9eb0b586849b834c6c81e9b34f5772b0dc47e068f439d297586156d

    SHA512

    35e7a988ff9618c6c1d4b2a36adbe0922dff443b4a62a07db17e39c6159ae4a2f4324b97d374d3f2ce48819d96981c1ab1e454ab02f2c43ea45939b4e9cf271f