| File name: | csrss.exe |
| Full analysis: | https://app.any.run/tasks/a283c969-495f-4b0d-846f-79d07b31ec80 |
| Verdict: | Malicious activity |
| Analysis date: | April 30, 2026, 18:00:00 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | CE6A18A42BBD1E3D01B9F46997DCF978 |
| SHA1: | 70B70A8A61ECE829AE3EB9348FDF11AD3309CE8B |
| SHA256: | 84287DB9B35BEB4E7E4EEB2BDD220C5145575E8E247D165C7BFAC17070B9B3E2 |
| SSDEEP: | 1536:06hIcAl/6PaQ+iAyovID60Ux7c3U9SI9iP2h7v:0aux6CQ6yovDxgU9SIMyj |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (45.1) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (19.2) |
| .exe | | | Win64 Executable (generic) (17) |
| .scr | | | Windows screen saver (8) |
| .dll | | | Win32 Dynamic Link Library (generic) (4) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2026:04:30 17:56:52+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 73728 |
| InitializedDataSize: | 8192 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x131de |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 7.0.0.0 |
| ProductVersionNumber: | 7.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | Windows Session Manager |
| FileDescription: | Microsoft Corporation |
| FileVersion: | 7,8,3,4 |
| InternalName: | csrss.exe |
| LegalCopyright: | |
| OriginalFileName: | csrss.exe |
| ProductName: | Windows Operating System |
| ProductVersion: | 7,8,3,4 |
| AssemblyVersion: | 0.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Microsoft Corporation Exit code: 0 Version: 7,8,3,4 Modules
| |||||||||||||||
| 2452 | ping 1.1.1.1 -n 1 -w 3 | C:\Windows\System32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2956 | "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3 > Nul & Del "C:\Users\admin\Desktop\csrss.exe"&"C:\Users\admin\AppData\Roaming\System32\csrss.exe" | C:\Windows\System32\cmd.exe | — | csrss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3036 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4624 | "C:\Users\admin\AppData\Roaming\System32\csrss.exe" | C:\Users\admin\AppData\Roaming\System32\csrss.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Microsoft Corporation Version: 7,8,3,4 Modules
| |||||||||||||||
| 7596 | "C:\Users\admin\Desktop\csrss.exe" | C:\Users\admin\Desktop\csrss.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Microsoft Corporation Exit code: 0 Version: 7,8,3,4 Modules
| |||||||||||||||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4624 | csrss.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.exe | executable | |
MD5:CE6A18A42BBD1E3D01B9F46997DCF978 | SHA256:84287DB9B35BEB4E7E4EEB2BDD220C5145575E8E247D165C7BFAC17070B9B3E2 | |||
| 7596 | csrss.exe | C:\Users\admin\AppData\Roaming\System32\csrss.exe | binary | |
MD5:CE6A18A42BBD1E3D01B9F46997DCF978 | SHA256:84287DB9B35BEB4E7E4EEB2BDD220C5145575E8E247D165C7BFAC17070B9B3E2 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5276 | MoUsoCoreWorker.exe | GET | 304 | 51.124.78.146:443 | https://settings-win.data.microsoft.com/settings/v3.0/wsd/muse?ProcessorClockSpeed=3094&FlightIds=&UpdateOfferedDays=4294967295&BranchReadinessLevel=CB&OEMManufacturerName=DELL&IsCloudDomainJoined=0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&sku=48&ActivationChannel=Retail&AttrDataVer=186&IsMDMEnrolled=0&ProcessorCores=6&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&TotalPhysicalRAM=6144&PrimaryDiskType=4294967295&FlightingBranchName=&ChassisTypeId=1&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&sampleId=95271487&deviceClass=Windows.Desktop&App=muse&DisableDualScan=0&AppVer=10.0&OEMSubModel=J5CR&locale=en-US&IsAlwaysOnAlwaysConnectedCapable=0&ms=0&DefaultUserRegion=244&UpdateServiceUrl=http%3A%2F%2Fneverupdatewindows10.com&osVer=10.0.19045.4046.amd64fre.vb_release.191206-1406&os=windows&deviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&DeferQualityUpdatePeriodInDays=0&ring=Retail&DeferFeatureUpdatePeriodInDays=30 | US | — | — | whitelisted |
7692 | SIHClient.exe | GET | 304 | 135.233.95.144:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | US | — | — | whitelisted |
7692 | SIHClient.exe | GET | 200 | 20.165.94.54:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | US | — | — | whitelisted |
7692 | SIHClient.exe | GET | 200 | 135.233.95.144:443 | https://slscr.update.microsoft.com/sls/ping | US | — | — | whitelisted |
7692 | SIHClient.exe | GET | 304 | 135.233.95.144:443 | https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | US | — | — | whitelisted |
— | — | GET | 200 | 204.79.197.203:80 | http://oneocsp.microsoft.com/ocsp/MFQwUjBQME4wTDAJBgUrDgMCGgUABBQ3L3%2F%2Fa6ADK8NraY2GXzVaYrHG4AQUb6t%2B2v%2BXQ3LsO2d33oJhNYhHQoUCEzMAAAAGb6JMMcOVb6sAAAAAAAY%3D | US | binary | 923 b | whitelisted |
5708 | svchost.exe | GET | 200 | 51.104.136.2:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/WaaSAssessment?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&ring=Retail&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&FlightRing=Retail&TelemetryLevel=1&HidOverGattReg=C%3A%5CWINDOWS%5CSystem32%5CDriverStore%5CFileRepository%5Chidbthle.inf_amd64_9610b4821fdf82a5%5CMicrosoft.Bluetooth.Profiles.HidOverGatt.dll&AppVer=10.0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&OEMModel=DELL&UpdateOfferedDays=4294967295&ProcessorManufacturer=AuthenticAMD&InstallDate=1661339444&OEMModelBaseBoard=&BranchReadinessLevel=CB&OEMSubModel=J5CR&IsCloudDomainJoined=0&DeferFeatureUpdatePeriodInDays=30&IsDeviceRetailDemo=0&FlightingBranchName=&OSUILocale=en-US&DeviceFamily=Windows.Desktop&WuClientVer=10.0.19041.3996&UninstallActive=1&IsFlightingEnabled=0&OSSkuId=48&ProcessorClockSpeed=3094&TotalPhysicalRAM=6144&SecureBootCapable=0&App=WaaSAssessment&ProcessorCores=6&CurrentBranch=vb_release&InstallLanguage=en-US&DeferQualityUpdatePeriodInDays=0&ServicingBranch=CB&OEMName_Uncleaned=DELL&TPMVersion=0&PrimaryDiskTotalCapacity=262144&InstallationType=Client&AttrDataVer=186&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&IsEdgeWithChromiumInstalled=1&OSVersion=10.0.19045.4046&IsMDMEnrolled=0&ActivationChannel=Retail&HonorWUfBDeferrals=0&FirmwareVersion=A.40&TrendInstalledKey=1&OSArchitecture=AMD64&DefaultUserRegion=244&UpdateManagementGroup=2 | US | text | 5.80 Kb | whitelisted |
5708 | svchost.exe | GET | 304 | 51.104.136.2:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/UpdateHealthTools?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=s:BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&sampleId=s:95271487&appVer=10.0.19041.3626&FlightRing=Retail&TelemetryLevel=1&HidOverGattReg=C%3A%5CWINDOWS%5CSystem32%5CDriverStore%5CFileRepository%5Chidbthle.inf_amd64_9610b4821fdf82a5%5CMicrosoft.Bluetooth.Profiles.HidOverGatt.dll&AppVer=&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&OEMModel=DELL&UpdateOfferedDays=4294967295&ProcessorManufacturer=AuthenticAMD&InstallDate=1661339444&OEMModelBaseBoard=&BranchReadinessLevel=CB&OEMSubModel=J5CR&IsCloudDomainJoined=0&DeferFeatureUpdatePeriodInDays=30&IsDeviceRetailDemo=0&FlightingBranchName=&OSUILocale=en-US&DeviceFamily=Windows.Desktop&WuClientVer=10.0.19041.3996&UninstallActive=1&IsFlightingEnabled=0&OSSkuId=48&ProcessorClockSpeed=3094&TotalPhysicalRAM=6144&SecureBootCapable=0&App=SedimentPack&ProcessorCores=6&CurrentBranch=vb_release&InstallLanguage=en-US&DeferQualityUpdatePeriodInDays=0&OEMName_Uncleaned=DELL&TPMVersion=0&PrimaryDiskTotalCapacity=262144&InstallationType=Client&AttrDataVer=186&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&IsEdgeWithChromiumInstalled=1&OSVersion=10.0.19045.4046&IsMDMEnrolled=0&ActivationChannel=Retail&FirmwareVersion=A.40&TrendInstalledKey=1&OSArchitecture=AMD64&DefaultUserRegion=244&UpdateManagementGroup=2 | US | — | — | whitelisted |
— | — | GET | 200 | 162.159.142.9:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAjTxtAB8my1oj8MfWpz%2F7Y%3D | US | binary | 312 b | whitelisted |
5708 | svchost.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 825 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | Not routed | — | whitelisted |
5276 | MoUsoCoreWorker.exe | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
— | — | 48.192.1.64:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5708 | svchost.exe | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5532 | SearchApp.exe | 2.16.241.218:443 | www.bing.com | AKAMAI-ASN1 | NL | whitelisted |
— | — | 162.159.142.9:80 | ocsp.digicert.com | CLOUDFLARENET | US | whitelisted |
— | — | 204.79.197.203:80 | oneocsp.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:138 | — | Not routed | — | whitelisted |
5708 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5708 | svchost.exe | 23.216.77.28:80 | crl.microsoft.com | AKAMAI-ASN1 | NL | whitelisted |
Domain | IP | Reputation |
|---|---|---|
activation-v2.sls.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
oneocsp.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
xn--n8j214gc5b0s5af8k.jp.net |
| unknown |
PID | Process | Class | Message |
|---|---|---|---|
5708 | svchost.exe | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |