Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-01-2024 04:57

General

  • Target

    nfapi.dll

  • Size

    334KB

  • MD5

    1ac6313643ab8be85e87b53f47e4af79

  • SHA1

    10a9b2d40a18399f0235dcd4872375aef409e6d5

  • SHA256

    d12c75b752322a00d727c9a8305ab60092b33fd26988ca3aa8cf5b7f4b29b8c5

  • SHA512

    9a286cb37462314ab4a04879c1a2e762c04acd5365af5c77897af1294b6deda43fdf5b0c709575fbf6058bc7c9606bd891743fc314cf63e3ecb059ff3175af10

  • SSDEEP

    3072:KKpHwC6H+AYYYxYYYYYrs/NAWOZFvyfaP710WkYsf+6pu6v3tgHf+dNUxJcGtHFZ:KKpHMg61ZFvyfKLkzfrnvGHfDcGtrht

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\nfapi.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\nfapi.dll,#1
      2⤵
        PID:2480

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads