| File name: | microsoft-teams-1-6-00-12455.exe |
| Full analysis: | https://app.any.run/tasks/11fc62e7-7980-496e-9841-2d55e3d29c5d |
| Verdict: | Malicious activity |
| Analysis date: | July 08, 2025, 09:47:11 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 5 sections |
| MD5: | 2902EFEDEDA448DB156A22FD6A2EB194 |
| SHA1: | 26369511750AD6843E3D3F65505144BA2F4B1BBA |
| SHA256: | 60F7CF85C520FCC72D87D9B0B8E4762F9ADB12392F9BE6CF90BF6D031B553464 |
| SSDEEP: | 24576:TNYuPOTryV7OXRBe7cYn+ssmpdZIONA4ySN+98X3GVF4nIuUWHWzazqr7Z3imR:5OX67407Rr5IOMYIRtazqnZ3J |
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:04:12 23:56:55+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.16 |
| CodeSize: | 215040 |
| InitializedDataSize: | 1208832 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x14510 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.6.0.12455 |
| ProductVersionNumber: | 1.6.0.12455 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileDescription: | Microsoft Teams |
| FileVersion: | 1.6.00.12455 |
| InternalName: | Setup.exe |
| LegalCopyright: | Copyright (C) 2016 Microsoft. All rights reserved. |
| OriginalFileName: | Setup.exe |
| ProductName: | Microsoft Teams |
| ProductVersion: | 1.6.00.12455 |
| SquirrelAwareVersion: | 1 |
| CompanyName: | Microsoft Corporation |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 424 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --type=renderer --enable-wer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Teams" --app-user-model-id=com.squirrel.Teams.Teams --app-path="C:\Users\admin\AppData\Local\Microsoft\Teams\current\resources\app.asar" --enable-sandbox --autoplay-policy=no-user-gesture-required --disable-background-timer-throttling --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=4544,i,9846640907202135110,3625042472664274814,262144 --enable-features=ContextBridgeMutability,SharedArrayBuffer,WinUseBrowserSpellChecker,WinUseHybridSpellChecker --disable-features=CalculateNativeWinOcclusion,ExtraCookieValidityChecks,ForcedColors,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=4584 --msteams-process-type=accountSelectWindow /prefetch:1 | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Teams.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Teams Version: 1.8.00.17054 Modules
| |||||||||||||||
| 684 | "C:\WINDOWS\system32\regsvr32.exe" /s /n /i:user "C:\Users\admin\AppData\Local\Microsoft\TeamsMeetingAddin\1.0.24313.1\x64\Microsoft.Teams.AddinLoader.dll" | C:\Windows\SysWOW64\regsvr32.exe | — | Update.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1052 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Squirrel.exe" --updateSelf=C:\Users\admin\AppData\Local\SquirrelTemp\Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Squirrel.exe | Update.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams classic Exit code: 0 Version: 3.5.0.0 Modules
| |||||||||||||||
| 3460 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --type=renderer --enable-wer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Teams" --app-user-model-id=com.squirrel.Teams.Teams --app-path="C:\Users\admin\AppData\Local\Microsoft\Teams\current\resources\app.asar" --enable-sandbox --autoplay-policy=no-user-gesture-required --disable-background-timer-throttling --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=3280,i,9846640907202135110,3625042472664274814,262144 --enable-features=ContextBridgeMutability,SharedArrayBuffer,WinUseBrowserSpellChecker,WinUseHybridSpellChecker --disable-features=CalculateNativeWinOcclusion,ExtraCookieValidityChecks,ForcedColors,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=3276 --msteams-process-type=notificationsManager /prefetch:1 | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Teams.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Teams Version: 1.8.00.17054 Modules
| |||||||||||||||
| 3588 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --enable-wer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Teams" --field-trial-handle=2428,i,9846640907202135110,3625042472664274814,262144 --enable-features=ContextBridgeMutability,SharedArrayBuffer,WinUseBrowserSpellChecker,WinUseHybridSpellChecker --disable-features=CalculateNativeWinOcclusion,ExtraCookieValidityChecks,ForcedColors,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=4248 /prefetch:8 | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Teams.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Teams Version: 1.8.00.17054 Modules
| |||||||||||||||
| 3620 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Teams" --field-trial-handle=2212,i,13443687560146977637,5347082446852626774,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2112 /prefetch:3 | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Teams.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams Exit code: 0 Version: 1.8.00.17054 Modules
| |||||||||||||||
| 3624 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --type=renderer --enable-wer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Teams" --app-user-model-id=com.squirrel.Teams.Teams --app-path="C:\Users\admin\AppData\Local\Microsoft\Teams\current\resources\app.asar" --enable-sandbox --autoplay-policy=no-user-gesture-required --disable-background-timer-throttling --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=2588,i,9846640907202135110,3625042472664274814,262144 --enable-features=ContextBridgeMutability,SharedArrayBuffer,WinUseBrowserSpellChecker,WinUseHybridSpellChecker --disable-features=CalculateNativeWinOcclusion,ExtraCookieValidityChecks,ForcedColors,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2584 --msteams-process-type=loadingWindow /prefetch:1 | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Teams.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Teams Version: 1.8.00.17054 Modules
| |||||||||||||||
| 4312 | "C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe" --squirrel-firstrun | C:\Users\admin\AppData\Local\Microsoft\Teams\current\Teams.exe | — | Update.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams Version: 1.8.00.17054 Modules
| |||||||||||||||
| 4520 | /s /n /i:user "C:\Users\admin\AppData\Local\Microsoft\TeamsMeetingAddin\1.0.24313.1\x64\Microsoft.Teams.AddinLoader.dll" | C:\Windows\System32\regsvr32.exe | — | regsvr32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5352 | C:\Users\admin\AppData\Local\Microsoft\Teams\Update.exe --createShortcut=Teams.exe -l=StartMenu | C:\Users\admin\AppData\Local\Microsoft\Teams\Update.exe | Teams.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams Exit code: 0 Version: 3.3.2.0 Modules
| |||||||||||||||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6612) Update.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\Update_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6612 | Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\packages\Teams-1.8.00.17054-full.nupkg | — | |
MD5:— | SHA256:— | |||
| 5960 | microsoft-teams-1-6-00-12455.exe | C:\Users\admin\AppData\Local\SquirrelTemp\downloading.gif | image | |
MD5:3488A1749B859E969C01BA981036FAB6 | SHA256:C3FA333FDBCE95D504AEE31912993DC17AB31324428F557AC774F7E98B049B99 | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Local\SquirrelTemp\setup.json | binary | |
MD5:BCF046135B50A1DF0E5622990AABC8DC | SHA256:7F3BE788C694D9AFA9438211A3C9848637BE42EA58C1E886C7927551F9C25081 | |||
| 5960 | microsoft-teams-1-6-00-12455.exe | C:\Users\admin\AppData\Local\SquirrelTemp\background.gif | image | |
MD5:FF1F29DCA0451246C3CA6CB7B023434F | SHA256:753D7D351E427246E2B6CC86C45E21F952939E306C3EB2FDB1BD7D67842C64B8 | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Roaming\Microsoft\Teams\teams_install_session.json | binary | |
MD5:1B5A14CF0BD1BC8F92C33691241B20CB | SHA256:BE98F93AB651D2C6CBEDF0E9F23AA84AFBFBCAEE579F5FD9F0E06AE8A629220C | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\setup.json | binary | |
MD5:BCF046135B50A1DF0E5622990AABC8DC | SHA256:7F3BE788C694D9AFA9438211A3C9848637BE42EA58C1E886C7927551F9C25081 | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\current\icudtl.dat | — | |
MD5:— | SHA256:— | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\current\resources.pak | — | |
MD5:— | SHA256:— | |||
| 5960 | microsoft-teams-1-6-00-12455.exe | C:\Users\admin\AppData\Local\SquirrelTemp\endpoint.json | binary | |
MD5:1AFCC3A53B2154F10E73BB2E766F4E05 | SHA256:00D7742CA8257126B875ED941A04FD500111EC0AD557984D825619F09E93972E | |||
| 6612 | Update.exe | C:\Users\admin\AppData\Local\Microsoft\Teams\current\LICENSE | text | |
MD5:4D42118D35941E0F664DDDBD83F633C5 | SHA256:5154E165BD6C2CC0CFBCD8916498C7ABAB0497923BAFCD5CB07673FE8480087D | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1268 | svchost.exe | GET | 200 | 2.16.168.124:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 23.222.86.92:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7292 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
436 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7292 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6768 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6612 | Update.exe | 52.123.128.14:443 | teams.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6612 | Update.exe | 2.16.168.123:443 | statics.teams.cdn.office.net | Akamai International B.V. | RU | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1268 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 2.16.168.124:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
1268 | svchost.exe | 23.222.86.92:80 | www.microsoft.com | AKAMAI-AS | NZ | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
teams.microsoft.com |
| whitelisted |
statics.teams.cdn.office.net |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
mobile.pipe.aria.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET INFO PE EXE or DLL Windows file download HTTP |
— | — | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
Process | Message |
|---|---|
Update.exe | Update.exe Information: 0 : |
Update.exe | Starting TelemetryManager constructor
|
Update.exe | Update.exe Information: 0 : |
Update.exe | TelemetryManagerImpl creation started
|
Update.exe | Update.exe Information: 0 : |
Update.exe | Performance counters are disabled. Skipping creation of counters category.
|
Update.exe | Update.exe Information: 0 : |
Update.exe | RecordBatcherTask with ID 4 started.
|
Update.exe | Update.exe Information: 0 : |
Update.exe | DataPackageSender with UserAgent name: AST-exe-C#, version: 3.3.2.0, [Ast_Default_Source]
|