Is DBGCORE.DLL safe?
No engine detected this established Microsoft-signed DLL, while broad prevalence and matching signer history outweigh the sandbox’s limited process-injection and direct-IP indicators.
The DLL has a verified Microsoft Corporation signature, and none of 74 engines flagged it, including 17 tier-1 engines. One sandbox mapped activity to T1055 and observed three IP contacts, but issued no malicious verdict; a complete reputation check for those IPs is unavailable.
4aa03e8a3a89835d2f…6eb1f154e2251fRecommended next actions
Before using
Use it only as part of software obtained from the developer's official site or another source you independently trust.
If you already used it
Keep normal device protection enabled and stop if the file behaves unexpectedly.
Intelligence
The saved assessment, checked against the scan evidence and recorded coverage.
The reasoning behind this verdict
This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.
The DLL has a verified Microsoft Corporation signature, and none of 74 engines flagged it, including 17 tier-1 engines. One sandbox mapped activity to T1055 and observed three IP contacts, but issued no malicious verdict; a complete reputation check for those IPs is unavailable.
The strongest evidence is the verified Microsoft Corporation signature combined with zero detections among 74 engines. The file is well established, with 563 sources, 685 submissions, and a first observation in 2020. Five signer-matched historical samples also received safe decisions, while the publisher history is 21 of 22 safe. Runtime observation mapped one action to T1055 and recorded three direct-IP contacts, but it produced no malicious sandbox verdict or confirmed malicious child. Because contactedHosts is null, the no complete contacted-host reputation result was available; nevertheless, the overall evidence strongly supports a legitimate Microsoft component.
What We Detected
No antivirus engine flagged the DLL: 0 of 74 reported it as malicious or suspicious, and all 17 tier-1 engines were non-detecting. The file carries a verified signature from Microsoft Corporation, with signing.trustedPublisher.matched=true. It is also broadly established, appearing across 563 sources and 685 submissions since 2020.
Threat Behavior
One completed sandbox run mapped an action to MITRE T1055 and observed connections to three external IP addresses. However, the sandbox produced no malicious verdict, no persistence indicators were recorded, and none of ten inspected children was confirmed malicious. The contacted-host reputation check was not completed or saved, so no claim can be made that those no complete contacted-host reputation result was available.
What To Do Now
The evidence is consistent with a legitimate Microsoft DLL. Keep endpoint protection enabled and, if the file appeared outside an expected Microsoft or Windows directory, compare its hash and signature against a trusted system copy before loading it.
Where this verdict could be wrong3 caveats
- behaviour.offensiveTechniques includes T1055, indicating possible process-injection-related activity, though the sandbox issued no malicious verdict.
- MalwareTips.Synth.DirectIpC2 recorded contacts to 204.79.197.203, 52.182.143.212, and 20.189.173.22; contactedHosts=null means no complete host-reputation result is available.
- droppedChildren.inspected=10 found no malicious child, but all ten child verdicts are unknown rather than affirmatively benign.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/74 engines reported a malicious or suspicious result.
- Verified signature from Microsoft Corporation and trusted-publisher match.
- All 17 tier-1 engines reported no detection.
- Observed since 2020 across 563 sources and 685 submissions.
- Five signer-matched historical files received safe decisions.
- Sandbox activity mapped to MITRE T1055.
- Three direct-IP contacts were observed without complete host-reputation coverage.
- All ten inspected child-file verdicts remain unknown.
No removal action is indicated by the available evidence. Keep endpoint protection enabled and verify the signature and source if this DLL resides outside an expected Microsoft or Windows location.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 74 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial3 runtime contacts were observed without a completed reputation cross-check.
YARA
Complete2 signature or behavior rules matched.
External intel
Complete3 of 3 independent reference sources completed.
Behavior
Plain-English impact first, then the observed runtime evidence.
Runtime flight recorder
Capture complete- 1isolated sandbox run
- 13MITRE ATT&CK techniques
- 3spawned processes
- 3network contacts
- 40filesystem & mutex artifacts
Attack story
Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.
Input file
The submitted object
- FileObserved
DBGCORE.DLL
4aa03e8a3a89835d2fe52375f2032002d5fc468a38a885ba306eb1f154e2251f
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\init.dll",#1
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\system32\WerFault.exe -u -p 8 -s 512
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736
C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736
04Isolated runtime analysis - Written fileObserved
Report.wer
C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736\Report.wer
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
204.79.197.203
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
52.182.143.212
Contact observed during runtime.
07Isolated runtime analysis - +1 more recorded observation in Analyst mode
7 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.
What this file did when executed
This file was detonated in 1 sandbox and its runtime behaviour was observed.
Adversary techniques mapped to the MITRE ATT&CK framework.
- 204.79.197.203
- 52.182.143.212
- 20.189.173.22
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736\Report.wer
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_ee607a38ba95755ef18792b986bf112d68103254_a5d83366_0ee64dfe
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_ee607a38ba95755ef18792b986bf112d68103254_a5d83366_0ee64dfe\Report.wer
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERCBBE.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER34A2.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER3AED.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER3CB3.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER34A2.tmp.dmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER3AED.tmp.WERInternalMetadata.xml
- Local\WERReportingForProcess8
- Global\AmiProviderMutex_InventoryApplicationFile
- Global\882a2f3e-99f5-4cb4-9562-81c91bc70b83
- DBWinMutex
- \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess2316
Files this sample writes at runtime
This file drops 10 children at runtime. None are currently flagged malicious in our cache.
- 0873e6f5549821d6b346…b21855Never scannednever seen before
- b71b280d01ec146e8819…f3b314Never scannednever seen before
- 9b4448e4b2e7c5bd2046…67b66fNever scannednever seen before
- 6566465e0e556b4b1917…686c13Never scannednever seen before
- c16267f5f30ed4cdb5de…63cdbdNever scannednever seen before
- 9441084761f41fbd8239…0bc1e5Never scannednever seen before
- 9d4529cc4f71e78ace0d…5aece1Never scannednever seen before
- 5e905ba056ba61762dfd…1daf34Never scannednever seen before
- 9da82994f8ed9fdf073f…6a3282Never scannednever seen before
- 2e0ad1fbb2db7e3151a9…d4ab54Never scannednever seen before
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 2rule hits recorded
- 0 / 74engines flagged
- 563sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
0 of 74 antivirus engines flagged the file.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has a long, established submission history across 563 sources.
Verdict inputView chapterProvenanceDerivedSourceSubmission historyObserved at - 03
The file has a valid code signature from Microsoft Corporation.
ProvenanceObservedSourceCode-signing metadataObserved at - 04
Scanned file: DBGCORE.DLL — 4aa03e8a3a89835d2fe52375f2032002d5fc468a38a885ba306eb1f154e2251f
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\init.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\system32\WerFault.exe -u -p 8 -s 512
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736 — C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: Report.wer — C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_DBG_dadba6512dff618c5d307a71b7f3cc6fa34d29_a5d83366_1365e736\Report.wer
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 204.79.197.203 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: 52.182.143.212 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
The available sources did not agree on a named threat category.
MalwareBazaar, YARAify, and CIRCL hashlookup completed and returned no entries for this hash.
Signatures and behavior heuristics
A community signature or high-severity behavioral heuristic matched. Signatures identify known patterns; heuristics are strong leads but are not proof on their own.
The saved runtime evidence maps this activity to MITRE T1055 (Process Injection). The mapping supports possible process injection, but it does not prove the exact injection method or the operator's intent.
Evidence"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\init.dll",#1The sample contacted an external IP address directly and no application domain was recorded. Direct-IP traffic also occurs in legitimate installers and infrastructure, so this is supporting context only and requires corroboration from host reputation and other runtime evidence.
Evidence204.79.197.203 · 52.182.143.212 · 20.189.173.22
0 of 74 engines flagged this file
View all 74 engine results
Section entropy & packers
No high-entropy executable section or known packer signature was detected. Data and resource sections can still have high entropy without indicating packed code.
How widely this file has been seen
Widely seen in the wild for a long time. High prior this is legitimate; isolated detections on common-old files are usually false positives.
Fingerprint and provenance
- File name
- DBGCORE.DLL
- Format
- Win32 DLL
- Code signing
- Signature valid: Microsoft Corporation
- Size
- 170.4 KB
- Last analyzed
- Sep 23, 2026, 5:07 AM UTC
4aa03e8a3a89835d2fe52375f2032002d5fc468a38a885ba306eb1f154e2251fSafety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
This file appears low risk based on the evidence available now.
- Recovery step 01
Use it only as part of software obtained from the developer's official site or another source you independently trust.
- Recovery step 02
A clean result reduces known risk, but it cannot guarantee that every new or targeted threat has been detected.
- Recovery step 03
Keep your antivirus and Windows updates switched on so you stay protected.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is DBGCORE.DLL safe?
What is DBGCORE.DLL?
How many antivirus engines detected DBGCORE.DLL?
Is DBGCORE.DLL digitally signed?
What is the SHA-256 hash of DBGCORE.DLL?
Is it safe to use DBGCORE.DLL?
How up to date is this analysis of DBGCORE.DLL?
Community
Member reviews and reports for this exact file hash.