Is PRIME-Z690-A-ASUS-4601.zip safe?
No antivirus engine detected the archive, and the completed sandbox found no malicious outcome, though two offensive-technique mappings and limited history warrant normal caution.
All 75 antivirus engines returned no malicious or suspicious detection, including 17 tier-1 engines. One sandbox run produced no malicious verdict, and the only observed domain lacked a cached threat match; however, T1055 and T1562.001 mappings plus three unclassified extracted files justify obtaining the archive from ASUS directly.
65ce92576d04b813af…b95dd25629167fRecommended next actions
Before opening or extracting
Open or extract it only when its sender or download source has been independently verified.
If you already opened or extracted 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 75 antivirus engines returned no malicious or suspicious detection, including 17 tier-1 engines. One sandbox run produced no malicious verdict, and the only observed domain lacked a cached threat match; however, T1055 and T1562.001 mappings plus three unclassified extracted files justify obtaining the archive from ASUS directly.
The strongest evidence is broad antivirus agreement: 0 of 75 engines flagged the archive, including no tier-1 detections. A completed sandbox run did not issue a malicious verdict, and no persistence indicators were recorded. The one observed domain, assets.msn.com, was fully covered by the host-reputation check and had no malicious or suspicious cache match. Static and runtime telemetry nevertheless mapped activity to T1055 and T1562.001, which is meaningful counter-evidence but lacks corroboration from engines, external intelligence, or a harmful child. Because the archive is newly observed and all three extracted children remain unclassified, it should still be sourced from the official ASUS support channel and verified before use.
What We Detected
The archive received 0 malicious and 0 suspicious detections from 75 antivirus engines. Seventeen tier-1 engines reported no detection, and there was no family consensus, MalwareBazaar match, CIRCL hit, or YARAify rule match.
Threat Behavior
One completed sandbox run produced no malicious verdict and recorded no persistence indicators. It extracted BIOSRenamer.exe and a PRIME-Z690-A-ASUS-4601.CAP image, behavior consistent with the archive name, but telemetry also mapped activity to T1055 and T1562.001. The sole observed domain, assets.msn.com, was checked and had no cached malicious or suspicious classification. Three extracted files were inspected without a malicious-child finding, although their individual verdicts remain unknown.
What To Do Now
Download BIOS archives only from the official ASUS support page for the exact motherboard model. Compare the file hash or archive contents with the vendor release, keep endpoint protection enabled, and avoid flashing firmware if the source or model match cannot be confirmed.
Where this verdict could be wrong3 caveats
- The sample is newly observed from one submission, so prevalence.classification=rare_new provides no established reputation.
- MalwareTips.Synth.ProcessInjection fired from a T1055 mapping involving BIOSRenamer.exe, and T1562.001 was also recorded.
- All three extracted children have unknown verdicts despite droppedChildren.hasMaliciousChild=false.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/75 engines reported malicious or suspicious
- tier1Malicious=0 and tier1ReportedClean=17
- behaviour.hasMaliciousSandboxVerdict=false
- contactedHosts.maliciousHosts=[] and suspiciousHosts=[] with full observed-host coverage
- externalIntel.yaraify.ruleCount=0 and malwareBazaar.hit=false
- prevalence.classification=rare_new with only 1 submission
- MITRE T1055 process-injection mapping
- MITRE T1562.001 defense-impairment mapping
- droppedChildren.rollup.unknown=3
- file.tags includes detect-debug-environment and long-sleeps
Use the archive only if it came directly from ASUS and matches the PRIME Z690-A support release. Keep endpoint protection enabled and verify the motherboard model before flashing.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Complete1 contacted host was cross-checked.
YARA
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
- 4MITRE ATT&CK techniques
- 5spawned processes
- 1network contacts
- 11filesystem & mutex artifacts
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.
- assets.msn.com
- C:\ProgramData\Microsoft\Windows\WER\Temp
- C:\ProgramData\Microsoft\Windows\WER\Temp\3f6e7ab9-fac6-4245-a4a8-0301074f022f
- C:\ProgramData\Microsoft\Windows\WER\ReportQueue
- C:\ProgramData\Microsoft\Windows\WER\Temp\7cfb251f-7d50-40f7-92b6-aa793c197392
- C:\ProgramData\Microsoft\Windows\WER\ReportArchive
Files this sample writes at runtime
This file drops 3 children at runtime. None are currently flagged malicious in our cache.
- 3e9a1dbad2d3bfb1f5c8…83e356Never scannednever seen before
- 412449d304c606dc57aa…bf8732Never scannednever seen before
- 990596fd5d87516bf781…df61caNever 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.
- 1rule hit recorded
- 0 / 75engines flagged
- 1sources 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 75 antivirus engines flagged the file.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 03
The hash has been submitted 1 time from 1 source.
ProvenanceDerivedSourceSaved report factsObserved at - 04
Scanned file: PRIME-Z690-A-ASUS-4601.zip — 65ce92576d04b813afcd91dccac9bac469265fb493065767e3b95dd25629167f
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\AppData\Local\Temp\BIOSRenamer.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 624
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Temp — C:\ProgramData\Microsoft\Windows\WER\Temp
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: 3f6e7ab9-fac6-4245-a4a8-0301074f022f — C:\ProgramData\Microsoft\Windows\WER\Temp\3f6e7ab9-fac6-4245-a4a8-0301074f022f
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: assets.msn.com — 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:\Users\<USER>\AppData\Local\Temp\BIOSRenamer.exe"
0 of 75 engines flagged this file
View all 75 engine results
PE structure
Not applicablePE structure analysis applies to Windows executable formats, not this file type.
How widely this file has been seen
Barely seen in the wild and first surfaced recently. That limits reputation evidence, but rarity alone is not proof of malware.
Fingerprint and provenance
- File name
- PRIME-Z690-A-ASUS-4601.zip
- Format
- ZIP
- Code signing
- Not applicable to this file type
- Size
- 13.3 MB
- Last analyzed
- Oct 1, 2026, 8:47 AM UTC
65ce92576d04b813afcd91dccac9bac469265fb493065767e3b95dd25629167fSafety & 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
Open or extract it only when its sender or download source has been independently verified.
- 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 PRIME-Z690-A-ASUS-4601.zip safe?
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Community
Member reviews and reports for this exact file hash.