mDNSResponder.exe

  • File Path: C:\Program Files\Bonjour\mDNSResponder.exe
  • Description: Bonjour Service

Hashes

Type Hash
MD5 B5C2F92EE1106DFE7BB1CCE4D35B6037
SHA1 31070EF84C5355B082873FFC19FF60659637995F
SHA256 E399C390687589194D8AAD385055F0CFA7D52AD9E837D8FF95008B8EB2B34E50
SHA384 2F45FC6DD1F44374622AEC22387B4ECFB15A5E1EB3FE6E61E53F8EDAF94126D284BAB91AFEBB2833545809B6D63C37AE
SHA512 7F82752B271EE35BAD31A8571AE33B8CC83EF48F41937297DFC446F6F9B12DA3D8B8336A527F6BBC5BC3C6627DEADBD38A5F109B16C7D1386A3DB36742C5A9C7
SSDEEP 12288:da04bzdSCiwro3AbN54j49LEMjysQPN5Z:da08ZSCRM3qN54j49LEMjy5
IMP CFC72B54EEC6E472E94998C57AE60121
PESHA1 599CB3780D62AD187A33B5568A9A635D92449613
PE256 CE0068FCF05060D8C42AF5CA5F4998F061E47512299A01B2B0E93CDE11875594

Runtime Data

Usage (stderr):


mDNSResponder 1.0d1

    <no args>    Runs the service normally
    -install     Creates the service and starts it
    -remove      Stops the service and deletes it
    -start       Starts the service dispatcher after processing all other arguments
    -server      Runs the service directly as a server (for debugging)
    -q           Toggles Quiet Mode (no events or output)
    -remote      Allow remote connections
    -cache n     Number of mDNS cache entries (defaults to 512)
    -h[elp]      Display Help/Usage


Loaded Modules:

Path
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\SYSTEM32\ntdll.dll

Signature

  • Status: Signature verified.
  • Serial: 2B20EB3380792AB011F662C064FDB473
  • Thumbprint: 173A28539CA6DAB5AC8C3B995ABAA692F95C5FC4
  • Issuer: CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O=”VeriSign, Inc.”, C=US
  • Subject: CN=Apple Inc., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Apple Inc., L=Cupertino, S=California, C=US

File Metadata

  • Original Filename: mDNSResponder.exe
  • Product Name: Bonjour
  • Company Name: Apple Inc.
  • File Version: 3,1,0,1
  • Product Version: 3,1,0,1
  • Language: English (United States)
  • Legal Copyright: Copyright (c) 2003-2015 Apple Inc.
  • Machine Type: 64-bit

File Scan

  • VirusTotal Detections: 0/69
  • VirusTotal Link: https://www.virustotal.com/gui/file/e399c390687589194d8aad385055f0cfa7d52ad9e837d8ff95008b8eb2b34e50/detection/

Possible Misuse

The following table contains possible examples of mDNSResponder.exe being misused. While mDNSResponder.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
sigma sysmon_suspicious_remote_thread.yml - '\mDNSResponder.exe' DRL 1.0

MIT License. Copyright (c) 2020-2021 Strontic.