Is func.exe safe?
Microsoft-signed executable with zero detections and five prior safe verdicts from the same signer.
All 74 engines returned clean results. The file is signed by Microsoft Corporation, a trusted publisher, and five similar files from the same signer were previously classified safe.
576b74eb4ab1287fc3…6446946ffd4a28Recommended next actions
Before running
Run it only when it came from the developer's official site or another source you independently trust.
If you already ran 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.
All 74 engines returned clean results. The file is signed by Microsoft Corporation, a trusted publisher, and five similar files from the same signer were previously classified safe.
Zero malicious detections across tier-1, tier-2, and low-trust engines eliminates any engine-based risk signal. The verified Microsoft signature and 100% safe historical samples for this signer provide strong provenance. Similar-hash RAG shows consistent safe verdicts for other Microsoft-signed binaries. The single triggered heuristic maps to process-injection techniques but lacks evidence of malicious intent and is outweighed by the signing and engine evidence.
What We Detected
74 antivirus engines scanned the file; none flagged it as malicious or suspicious. The binary carries a valid, verified code-signing certificate issued to Microsoft Corporation. Five prior samples signed by the same publisher received identical clean verdicts.
Threat Behavior
One sandbox execution recorded typical Windows Error Reporting activity and three MITRE techniques (T1055, T1059.001, T1562.001). no complete contacted-host reputation result was available, dropped children, or persistence mechanisms were observed. The process-injection mapping is consistent with benign installer or updater behaviour.
What To Do Now
The file can be executed with standard precautions. Keep Windows Defender and other endpoint protection enabled; no additional action is required.
- Verified Microsoft signature
- Zero engine detections
- Consistent safe history for signer
Treat the file as safe; retain normal security settings.
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
Not runNo contacted-host reputation check is recorded.
No timestamp recordedYARA
Complete1 signature or behavior rule 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
- 17MITRE ATT&CK techniques
- 5spawned processes
- 0network contacts
- 27filesystem & 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
func.exe
576b74eb4ab1287fc39e4f1dbecc478deb8b0bd14f7104ae1c6446946ffd4a28
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\executable.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\system32\WerFault.exe -u -p 2676 -s 860
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
Temp
C:\ProgramData\Microsoft\Windows\WER\Temp
04Isolated runtime analysis - Written fileObserved
067c309d-72ef-4ba2-a114-6fe270cb95b6
C:\ProgramData\Microsoft\Windows\WER\Temp\067c309d-72ef-4ba2-a114-6fe270cb95b6
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
5 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.
- C:\ProgramData\Microsoft\Windows\WER\Temp
- C:\ProgramData\Microsoft\Windows\WER\Temp\067c309d-72ef-4ba2-a114-6fe270cb95b6
- C:\ProgramData\Microsoft\Windows\WER\ReportQueue
- C:\ProgramData\Microsoft\Windows\WER\Temp\71dd4424-ef3a-4838-bd71-d5150424b623
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERE4B2.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERF463.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERF687.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERE4B2.tmp.dmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WERF463.tmp.WERInternalMetadata.xml
- Local\WERReportingForProcess2676
- Global\AmiProviderMutex_InventoryApplicationFile
- Global\2fb04044-60a4-4862-af0a-1b5dd041a02a
- \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess7080
- \Sessions\1\BaseNamedObjects\InventorySynchronizationInventoryApplicationFileMutex1664
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 1rule hit recorded
- 0 / 74engines flagged
- 1,005sources 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 file has a valid code signature from Microsoft Corporation.
ProvenanceObservedSourceCode-signing metadataObserved at - 03
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 04
Scanned file: func.exe — 576b74eb4ab1287fc39e4f1dbecc478deb8b0bd14f7104ae1c6446946ffd4a28
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\Desktop\executable.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\system32\WerFault.exe -u -p 2676 -s 860
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Temp — C:\ProgramData\Microsoft\Windows\WER\Temp
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: 067c309d-72ef-4ba2-a114-6fe270cb95b6 — C:\ProgramData\Microsoft\Windows\WER\Temp\067c309d-72ef-4ba2-a114-6fe270cb95b6
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:\Users\<USER>\Desktop\executable.exe"
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
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- func.exe
- Format
- Win32 EXE
- Code signing
- Signature valid: Microsoft Corporation
- Size
- 305.4 KB
- Last analyzed
- Aug 17, 2026, 1:42 AM UTC
576b74eb4ab1287fc39e4f1dbecc478deb8b0bd14f7104ae1c6446946ffd4a28Safety & 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
Run it only when it came 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 func.exe safe?
What is func.exe?
How many antivirus engines detected func.exe?
Is func.exe digitally signed?
What is the SHA-256 hash of func.exe?
Is it safe to run func.exe?
How up to date is this analysis of func.exe?
Community
Member reviews and reports for this exact file hash.