| URL: | 4.au.download.windowsupdate.com/d/msdownload/update/software/defu/2025/09/am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe |
| Full analysis: | https://app.any.run/tasks/4ed3f4f8-2301-445f-966f-422aec2b2277 |
| Verdict: | Malicious activity |
| Analysis date: | September 01, 2025, 13:34:28 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MD5: | 84EDCADE75F5CDF3888145AD47E63F44 |
| SHA1: | 239513382E5D44A4555F61EAF7D897EF8069D983 |
| SHA256: | 177CFC7EC66BC1E6DAF334DE16ACD96474709B6714F6FFA59183263BCB9EFAAA |
| SSDEEP: | 3:2eBJLEWd9r4ExKVKSLJkACANHt+mBwcTsqxTnArAbGB0C:2eBJDd9AVxNDBTAqJiJ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 436 | C:\WINDOWS\system32\MpSigStub.exe /stub 1.1.24010.2001 /payload 1.435.509.0 /MpWUStub /program C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe | C:\Windows\System32\MpSigStub.exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Malware Protection Signature Update Stub Exit code: 2147942405 Version: 1.1.24010.2001 (7122f19e8a45ed98fbe41ea0bdadf251e45717f9) Modules
| |||||||||||||||
| 856 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=3572,i,13165891645221322675,5117013954290853726,262144 --variations-seed-version --mojo-platform-channel-handle=3644 /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1324 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3516,i,13165891645221322675,5117013954290853726,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1380 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=6344,i,13165891645221322675,5117013954290853726,262144 --variations-seed-version --mojo-platform-channel-handle=5344 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1816 | "C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe" | C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: AntiMalware Definition Update Exit code: 2147942405 Version: 1.435.509.0 Modules
| |||||||||||||||
| 1936 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=1328,i,13165891645221322675,5117013954290853726,262144 --variations-seed-version --mojo-platform-channel-handle=7312 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1948 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=1464,i,11039188928376743971,14765045857604290236,262144 --variations-seed-version --mojo-platform-channel-handle=4900 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2112 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2368,i,13165891645221322675,5117013954290853726,262144 --variations-seed-version --mojo-platform-channel-handle=2364 /prefetch:2 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2216 | "C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe" | C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: AntiMalware Definition Update Exit code: 3221226540 Version: 1.435.509.0 Modules
| |||||||||||||||
| 2528 | "C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe" | C:\Users\admin\Downloads\am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: AntiMalware Definition Update Exit code: 3221226540 Version: 1.435.509.0 Modules
| |||||||||||||||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: 01000000 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1693682860-607145093-2874071422-1001 |
Value: 8CCF31B7539C2F00 | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\590450 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {81F2DB22-CE48-44CD-89F1-96FC5268E417} | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\590450 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {2E5FA7AF-1FF2-4C31-8F2C-F5524045188F} | |||
| (PID) Process: | (6892) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftEdgeAutoLaunch_29EBC4579851B72EE312C449CF839B1A |
Value: "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old~RF18d28d.TMP | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF18d29d.TMP | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RF18d31a.TMP | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF18d31a.TMP | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF18d31a.TMP | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 6892 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old | — | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2996 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | US | binary | 471 b | whitelisted |
3572 | msedge.exe | GET | — | 185.160.60.100:80 | http://4.au.download.windowsupdate.com/d/msdownload/update/software/defu/2025/09/am_delta_4fb5aa67b66a8eda48d55a2a71c442ed8c2842cd.exe | UA | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 23.216.77.8:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 825 b | whitelisted |
3572 | msedge.exe | GET | 200 | 150.171.28.11:80 | http://edge.microsoft.com/browsernetworktime/time/1/current?cup2key=2:d-P1_Ca1a4WPUgltSHhfKuZ9ks0N2rpjLN2H6_rDJJk&cup2hreq=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 | US | text | 102 b | whitelisted |
1268 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | DE | binary | 814 b | whitelisted |
3740 | MpSigStub.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | DE | binary | 814 b | whitelisted |
3740 | MpSigStub.exe | GET | 200 | 2.16.164.25:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 825 b | whitelisted |
3944 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | NL | binary | 419 b | whitelisted |
6840 | svchost.exe | HEAD | 200 | 23.50.131.72:80 | http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/bf8090eb-6e5c-4c51-9250-5bf9b46cf160?P1=1756998970&P2=404&P3=2&P4=niexj8uLuIyJBntkXhP08naO4KncLGluHJYkK%2fHQRM9dOK2B1MfMVPXBcknFI2OKlwLmda3Y3k2pMoCSX4wxvQ%3d%3d | DE | — | — | whitelisted |
3944 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | NL | binary | 407 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2348 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1268 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3572 | msedge.exe | 150.171.22.17:443 | config.edge.skype.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3572 | msedge.exe | 150.171.28.11:80 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3572 | msedge.exe | 185.160.60.100:80 | 4.au.download.windowsupdate.com | VELTON.TELECOM Ltd | UA | whitelisted |
3572 | msedge.exe | 150.171.28.11:443 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3572 | msedge.exe | 185.160.60.100:443 | 4.au.download.windowsupdate.com | VELTON.TELECOM Ltd | UA | whitelisted |
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
edge.microsoft.com |
| whitelisted |
config.edge.skype.com |
| whitelisted |
4.au.download.windowsupdate.com |
| whitelisted |
copilot.microsoft.com |
| whitelisted |
update.googleapis.com |
| whitelisted |
www.bing.com |
| whitelisted |
clients2.googleusercontent.com |
| whitelisted |
edgeassetservice.azureedge.net |
| whitelisted |
www.googleapis.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
3572 | msedge.exe | Misc activity | ET INFO Packed Executable Download |