Is XDK8Toolbox.exe safe?
No antivirus engine detected malware, but the unsigned, newly observed executable showed T1055 and T1548 activity that warrants controlled verification before use.
All 75 antivirus engines avoided a malware detection, including 17 reporting tier-1 engines, and the completed sandbox did not issue a malicious conclusion. However, the unsigned executable is newly observed and its runtime record includes T1055 and T1548, so it should not be trusted solely on the current scan.
0db91066b77b13a682…2dd934316cc915Recommended next actions
Before running
Do not run it until the source and publisher can be verified independently.
If you already ran it
Stop using it, scan the device, and watch for unexpected behavior or security alerts. Get a fresh copy from the developer's official site or an official app store.
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 avoided a malware detection, including 17 reporting tier-1 engines, and the completed sandbox did not issue a malicious conclusion. However, the unsigned executable is newly observed and its runtime record includes T1055 and T1548, so it should not be trusted solely on the current scan.
The antivirus results are strongly reassuring: 0 of 75 engines flagged the sample, with no tier-1 family consensus. One completed sandbox observation nevertheless mapped activity to T1055 and T1548, techniques associated with process injection and privilege elevation. That sandbox did not produce a malicious conclusion, no malicious child was recorded, and the only observed domain was fully checked without a reputation hit. The executable is unsigned, lacks publisher history, and has only one submission on its first observed day, which leaves its provenance uncertain. No MalwareBazaar, YARAify, or CIRCL corroboration was present, so the behavioural signal remains unconfirmed rather than proof of a malware family.
What We Detected
None of 75 antivirus engines flagged the executable, including all 17 reporting tier-1 engines. External checks also returned no MalwareBazaar match, no YARAify rules, and no CIRCL reference hit. The PE analysis found no known packer, no high-entropy code, and no brand mismatch.
Threat Behavior
One completed sandbox run mapped activity to T1055 and T1548. These techniques can be used for process injection and privilege elevation, but the saved evidence does not identify a precise injection method or prove harmful intent. The sandbox did not issue a malicious conclusion, no persistent changes or dropped child hashes were recorded, and the single observed domain, assets.msn.com, was covered by the host-reputation check without a malicious or suspicious hit.
What To Do Now
Because the executable is unsigned, newly observed, and lacks publisher history, verify its hash and download source against the developer's official release channel before running it. If verification is unavailable, keep endpoint protection enabled and test only in an isolated environment without sensitive data or credentials.
Where this verdict could be wrong3 caveats
- The triggeredHeuristics rule MalwareTips.Synth.ProcessInjection cites T1055, which can represent process injection, although the saved evidence does not establish the method or intent.
- The executable is unsigned and has no signer history, so the absence of antivirus detections does not establish trustworthy provenance.
- The file is only zero days old with one submission, limiting the value of reputation and prevalence evidence.
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 antivirus engines reported a detection
- 17 reporting tier-1 engines were undetected
- No malicious sandbox conclusion
- No malicious or suspicious reputation hit for the single observed domain
- No external-intelligence or malicious-child corroboration
- Unsigned Win32 executable with no signer history
- Newly observed sample with only one submission
- Runtime mapping to MITRE T1055
- Runtime mapping to MITRE T1548
- File metadata includes the tag corrupt
Verify SHA-256 0db91066b77b13a6825b8a62966bdf49bd2917b0e1d1dad7192dd934316cc915 through the developer's official release channel before use. Keep endpoint protection enabled and isolate execution if provenance cannot be confirmed.
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
- 10MITRE ATT&CK techniques
- 2spawned processes
- 1network contacts
- 7filesystem & mutex artifacts
What this file does
Observed actions and their security significance
High concern: Injected code into another process, a technique that can conceal execution.
Moderate concern: Contained obfuscated or packed code that makes inspection harder.
Moderate concern: Scans through your files and folders.
Moderate concern: Checked the environment for virtualisation or analysis tools.
Note: Reads your Windows user-account details.
Note: Collects details about your system.
Note: Connected to 1 server during sandbox analysis.
These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.
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
XDK8Toolbox.exe
0db91066b77b13a6825b8a62966bdf49bd2917b0e1d1dad7192dd934316cc915
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\xdk8-toolbox.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
"C:\Users\user\Desktop\xdk8-toolbox.exe"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
MESOMATIC.txt
C:\Users\<USER>\Desktop\MESOMATIC.txt
04Isolated runtime analysis - Written fileObserved
MESOMATIC
C:\Users\user\AppData\Local\MESOMATIC
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
assets.msn.com
Contact observed during runtime.
06Isolated runtime analysis
6 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.
- assets.msn.com
- HKEY_CURRENT_USER_Classes\Local Settings\MuiCache\32\52C64B7E\@C:\Windows\system32\ieframe.dll,-5723
- HKEY_CURRENT_USER_Classes\Local Settings\MuiCache\32\52C64B7E\@C:\Windows\system32\prnfldr.dll,-8036
- C:\Users\<USER>\Desktop\MESOMATIC.txt
- C:\Users\user\AppData\Local\MESOMATIC
- C:\Users\user\AppData\Local\MESOMATIC\XDK851
- C:\Users\user\AppData\Local\Microsoft\Windows\Caches
- C:\Users\user\Desktop\MESOMATIC.txt
- C:\Users\<USER>\Desktop\MESOMATIC.txt
- C:\Users\user\Desktop\MESOMATIC.txt
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
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 02
0 of 75 antivirus engines flagged the file.
ProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has been submitted 1 time from 1 source.
ProvenanceDerivedSourceSaved report factsObserved at - 04
Scanned file: XDK8Toolbox.exe — 0db91066b77b13a6825b8a62966bdf49bd2917b0e1d1dad7192dd934316cc915
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\Desktop\xdk8-toolbox.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — "C:\Users\user\Desktop\xdk8-toolbox.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: MESOMATIC.txt — C:\Users\<USER>\Desktop\MESOMATIC.txt
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: MESOMATIC — C:\Users\user\AppData\Local\MESOMATIC
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>\Desktop\xdk8-toolbox.exe"
0 of 75 engines flagged this file
View all 75 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
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
- XDK8Toolbox.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 35.2 MB
- Last analyzed
- Sep 24, 2026, 7:33 PM UTC
0db91066b77b13a6825b8a62966bdf49bd2917b0e1d1dad7192dd934316cc915Safety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
We couldn't fully clear this file. Treat it with caution.
- Recovery step 01
Don't run it unless you're certain it came from a source you trust.
- Recovery step 02
Check where you got it — an unexpected attachment or a random download link is a red flag.
- Recovery step 03
If its origin cannot be confirmed, delete this file and use a fresh copy from a trusted source. Get a fresh copy from the developer's official site or an official app store.
- Recovery step 04
If you're still unsure, scan it again in a day or two — detections often catch up on newer files.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is XDK8Toolbox.exe safe, or is it malware?
What is XDK8Toolbox.exe?
How many antivirus engines detected XDK8Toolbox.exe?
What should I do if I already ran XDK8Toolbox.exe?
How do I remove XDK8Toolbox.exe?
What is the SHA-256 hash of XDK8Toolbox.exe?
How up to date is this analysis of XDK8Toolbox.exe?
Community
Member reviews and reports for this exact file hash.