| File name: | Microsoft.TeamsUpdate (1).exe |
| Full analysis: | https://app.any.run/tasks/04ed2381-315b-43ae-819a-e349a0ce02c2 |
| Verdict: | Malicious activity |
| Analysis date: | February 24, 2025, 22:30:08 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 5 sections |
| MD5: | 14AC5306CC77BF653161C43B0454BA60 |
| SHA1: | 5CAE52721471D348800167FD544EA00B9EE81C48 |
| SHA256: | 60958585699D0153DD73C516C3B67A84A882DA2EFCFFA12EC18F386BEE52492B |
| SSDEEP: | 98304:EskBi2Tt2xyWR+OytH9awXB0DXe3S+5OmxlGwP3AW5JTGG0DR/WeF3K5z/xlLSb5:0DA |
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:11:18 20:10:20+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.33 |
| CodeSize: | 45568 |
| InitializedDataSize: | 5483520 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x14ad |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 864 | "C:\Users\admin\AppData\Local\Temp\Microsoft.TeamsUpdate (1).exe" | C:\Users\admin\AppData\Local\Temp\Microsoft.TeamsUpdate (1).exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 1020 | "C:\Users\admin\AppData\Local\Temp\Microsoft.TeamsUpdate (1).exe" | C:\Users\admin\AppData\Local\Temp\Microsoft.TeamsUpdate (1).exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1600 | C:\Windows\syswow64\MsiExec.exe -Embedding 5AA8E1677141AFF2D93AE07571345DBA C | C:\Windows\SysWOW64\msiexec.exe | — | msiexec.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows® installer Exit code: 0 Version: 5.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2852 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4200 | C:\WINDOWS\system32\msiexec.exe /V | C:\Windows\System32\msiexec.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows® installer Version: 5.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5008 | rundll32.exe "C:\Users\admin\AppData\Local\Temp\MSI812E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_1212812 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments | C:\Windows\SysWOW64\rundll32.exe | msiexec.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5364 | C:\WINDOWS\system32\vssvc.exe | C:\Windows\System32\VSSVC.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft® Volume Shadow Copy Service Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6808 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7084 | "C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\d117b32921e4d547\ScreenConnect.ClientSetup.msi" | C:\Windows\SysWOW64\msiexec.exe | Microsoft.TeamsUpdate (1).exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows® installer Exit code: 0 Version: 5.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7328 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SystemRestore |
| Operation: | write | Name: | SrCreateRp (Enter) |
Value: 4800000000000000B902DDAD0B87DB016810000060030000D50700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SPP |
| Operation: | write | Name: | SppGetSnapshots (Enter) |
Value: 4800000000000000B902DDAD0B87DB016810000060030000D20700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SPP |
| Operation: | write | Name: | SppGetSnapshots (Leave) |
Value: 4800000000000000353235AE0B87DB016810000060030000D20700000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SPP |
| Operation: | write | Name: | SppEnumGroups (Enter) |
Value: 4800000000000000353235AE0B87DB016810000060030000D10700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SPP |
| Operation: | write | Name: | SppEnumGroups (Leave) |
Value: 48000000000000003DFC39AE0B87DB016810000060030000D10700000100000000000000010000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SPP |
| Operation: | write | Name: | SppCreate (Enter) |
Value: 480000000000000076C23EAE0B87DB016810000060030000D00700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (4200) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\VssapiPublisher |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 480000000000000043C40BAF0B87DB01681000005C060000E8030000010000000000000000000000315E332DA09CE248AF3898DDFD51959D00000000000000000000000000000000 | |||
| (PID) Process: | (5364) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4800000000000000AD5315AF0B87DB01F4140000B4130000E80300000100000001000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (5364) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4800000000000000AD5315AF0B87DB01F414000084130000E80300000100000001000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (5364) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4800000000000000AD5315AF0B87DB01F414000020000000E80300000100000001000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1020 | Microsoft.TeamsUpdate (1).exe | C:\Users\admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\d117b32921e4d547\ScreenConnect.ClientSetup.msi | — | |
MD5:— | SHA256:— | |||
| 7556 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\c0a959c3-874b-4716-af0a-c1e48c1b3404.down_data | — | |
MD5:— | SHA256:— | |||
| 4200 | msiexec.exe | C:\System Volume Information\SPP\metadata-2 | — | |
MD5:— | SHA256:— | |||
| 4200 | msiexec.exe | C:\Windows\Installer\12e3c1.msi | — | |
MD5:— | SHA256:— | |||
| 5008 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\MSI812E.tmp-\ScreenConnect.Core.dll | executable | |
MD5:14E7489FFEBBB5A2EA500F796D881AD9 | SHA256:A2E9752DE49D18E885CBD61B29905983D44B4BC0379A244BFABDAA3188C01F0A | |||
| 5008 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\MSI812E.tmp-\Microsoft.Deployment.WindowsInstaller.Package.dll | executable | |
MD5:A921A2B83B98F02D003D9139FA6BA3D8 | SHA256:548C551F6EBC5D829158A1E9AD1948D301D7C921906C3D8D6B6D69925FC624A1 | |||
| 7556 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:A5A6AD196AD8E82DE247A9AC52737301 | SHA256:F73DF1548814E2900D0D6971D1CEEFB85F093DE0CBACD1BF56AE4D3B39AC630C | |||
| 7084 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\MSI812E.tmp | executable | |
MD5:8A8767F589EA2F2C7496B63D8CCC2552 | SHA256:0918D8AB2237368A5CEC8CE99261FB07A1A1BEEDA20464C0F91AF0FE3349636B | |||
| 5008 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\MSI812E.tmp-\Microsoft.Deployment.WindowsInstaller.dll | executable | |
MD5:5EF88919012E4A3D8A1E2955DC8C8D81 | SHA256:3E54286E348EBD3D70EAED8174CCA500455C3E098CDD1FCCB167BC43D93DB29D | |||
| 7556 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\38b76eb3-c464-4118-9a37-c2911c2be982.up_meta_secure | binary | |
MD5:608EAB34BFE7F295B8070F09D38926AD | SHA256:5BF8A3CDA6DF1DA041D43B1F0E388682153492D5987341FDB68CEB59FDE70D7C | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
7556 | BackgroundTransferHost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
7496 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7496 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2740 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4152 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 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 |
6544 | svchost.exe | 20.190.159.0:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2408 | backgroundTaskHost.exe | 184.86.251.27:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
664 | svchost.exe | 2.19.106.8:443 | go.microsoft.com | AKAMAI-AS | DE | whitelisted |
6700 | backgroundTaskHost.exe | 20.223.35.26:443 | fd.api.iris.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
www.bing.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
fd.api.iris.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Misc activity | ET REMOTE_ACCESS Observed DNS Query to Known ScreenConnect/ConnectWise Remote Desktop Service Domain |