dbgcore.dll

  • File Path: C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\srcsrv\dbgcore.dll
  • Description: Windows Core Debugging Helpers

Hashes

Type Hash
MD5 89A977B69952BC8941F5600C4B24022F
SHA1 C6D51B63DFDCC8152DB4243BE012CFB87A49B400
SHA256 09C8084E8FA3DDF0AE32C9E14EA39584B08C6AC4A1655C28AD7B5CBC6DCFEFEB
SHA384 FE0D87F32A0A3F2D564D1F82617CD50029D6EF5FD9EF87C29390EA1D0ABBC031072F94489941666B8E32699680DCDAEA
SHA512 50A5C1FB6059B4DCC396FFF670991F3280D22AF94B58124E7F1C1ACD92732E3D38AB0408A7918164BA098608707DDAF3A12D8908830DE754E3C13DCC3E514205
SSDEEP 3072:FEqbGcbEWcgmPtELNGmpbg04HhpEXWpINKKASB0ddOMYgOxTsvmbmr1V:FEqdEWqtCNG6gNBwWpeASB0ddOm1
IMP 1931C583747A3AFF6555664A0BEA87DD
PESHA1 95FF51B808527EE83BD3122ABC4540A96C19BC8A
PE256 A03E2287F371B5A69C37DD875AA8446FA93C1758DCF4F8EF2077075BD2E95FF4

DLL Exports:

Function Name Ordinal Type
MiniDumpWriteDump 2 Exported Function
MiniDumpReadDumpStream 1 Exported Function

Signature

  • Status: Signature verified.
  • Serial: 33000002CF6D2CC57CAA65A6D80000000002CF
  • Thumbprint: 1A221B3B4FEF088B17BA6704FD088DF192D9E0EF
  • Issuer: CN=Microsoft Code Signing PCA 2010, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
  • Subject: CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

  • Original Filename: DBGCORE.DLL
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 10.0.19041.1 (WinBuild.160101.0800)
  • Product Version: 10.0.19041.1
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.
  • Machine Type: 64-bit

File Scan

  • VirusTotal Detections: Unknown

File Similarity (ssdeep match)

File Score
C:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\dbgcore.dll 40
C:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\srcsrv\dbgcore.dll 38
C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\dbgcore.dll 99
C:\Windows\system32\dbgcore.dll 99

Possible Misuse

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

Source Source File Example License
sigma image_load_suspicious_dbghelp_dbgcore_load.yml title: Load of dbghelp/dbgcore DLL from Suspicious Process DRL 1.0
sigma image_load_suspicious_dbghelp_dbgcore_load.yml description: Detects the load of dbghelp/dbgcore DLL (used to make memory dumps) by suspicious processes. Tools like ProcessHacker and some attacker tradecract use MiniDumpWriteDump API found in dbghelp.dll or dbgcore.dll. As an example, SilentTrynity C2 Framework has a module that leverages this API to dump the contents of Lsass.exe and transfer it over the network back to the attacker's machine. DRL 1.0
sigma image_load_suspicious_dbghelp_dbgcore_load.yml - '\dbgcore.dll' DRL 1.0
sigma proc_access_win_lsass_memdump.yml description: Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up. DRL 1.0
sigma proc_access_win_lsass_memdump.yml - 'dbgcore.dll' DRL 1.0

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