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

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Starts CMD.EXE for self-deleting

      • csrss.exe (PID: 7596)
    • Create files in the Startup directory

      • csrss.exe (PID: 4624)
  • SUSPICIOUS

    • Self-deletion pattern has been detected

      • csrss.exe (PID: 7596)
    • Reads the date of Windows installation

      • csrss.exe (PID: 7596)
    • The process creates files with name similar to system file names

      • csrss.exe (PID: 7596)
      • csrss.exe (PID: 4624)
    • File deletion via cmd.exe

      • cmd.exe (PID: 2956)
    • Starts CMD.EXE for commands execution

      • cmd.exe (PID: 2956)
    • Hides command output

      • cmd.exe (PID: 2956)
    • Runs PING.EXE to delay simulation

      • cmd.exe (PID: 2956)
    • The process executes files with name similar to system file names

      • cmd.exe (PID: 2956)
    • The executable file from the user directory is run by the CMD process

      • csrss.exe (PID: 4624)
    • Executable content was dropped or overwritten

      • csrss.exe (PID: 4624)
  • INFO

    • Checks supported languages

      • csrss.exe (PID: 7596)
      • csrss.exe (PID: 4624)
      • csrss.exe (PID: 2016)
    • Reads the computer name

      • csrss.exe (PID: 7596)
      • csrss.exe (PID: 4624)
      • csrss.exe (PID: 2016)
    • Reads security settings of Internet Explorer

      • csrss.exe (PID: 7596)
    • Creates files or folders in the user directory

      • csrss.exe (PID: 7596)
      • csrss.exe (PID: 4624)
    • Process checks computer location settings

      • csrss.exe (PID: 7596)
    • Launching a file from the Startup directory

      • csrss.exe (PID: 4624)
    • Manual execution by a user

      • csrss.exe (PID: 2016)
    • Reads the machine GUID from the registry

      • csrss.exe (PID: 4624)
    • Reads Environment values

      • csrss.exe (PID: 4624)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.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)

EXIF

EXE

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
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
139
Monitored processes
6
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start csrss.exe no specs cmd.exe no specs conhost.exe no specs ping.exe no specs csrss.exe csrss.exe no specs

Process information

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.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Microsoft Corporation
Exit code:
0
Version:
7,8,3,4
Modules
Images
c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\csrss.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2452ping 1.1.1.1 -n 1 -w 3 C:\Windows\System32\PING.EXEcmd.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
Images
c:\windows\system32\ping.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\nsi.dll
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.execsrss.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\bcrypt.dll
3036\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
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
Images
c:\users\admin\appdata\roaming\system32\csrss.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
7596"C:\Users\admin\Desktop\csrss.exe" C:\Users\admin\Desktop\csrss.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Microsoft Corporation
Exit code:
0
Version:
7,8,3,4
Modules
Images
c:\users\admin\desktop\csrss.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
1 296
Read events
1 296
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
4624csrss.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.exeexecutable
MD5:CE6A18A42BBD1E3D01B9F46997DCF978
SHA256:84287DB9B35BEB4E7E4EEB2BDD220C5145575E8E247D165C7BFAC17070B9B3E2
7596csrss.exeC:\Users\admin\AppData\Roaming\System32\csrss.exebinary
MD5:CE6A18A42BBD1E3D01B9F46997DCF978
SHA256:84287DB9B35BEB4E7E4EEB2BDD220C5145575E8E247D165C7BFAC17070B9B3E2
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
35
TCP/UDP connections
33
DNS requests
23
Threats
1

HTTP requests

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
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

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

DNS requests

Domain
IP
Reputation
activation-v2.sls.microsoft.com
  • 48.192.1.64
whitelisted
www.bing.com
  • 2.16.241.218
  • 2.16.241.207
  • 2.16.241.201
  • 2.16.241.205
whitelisted
ocsp.digicert.com
  • 162.159.142.9
  • 172.66.2.5
whitelisted
oneocsp.microsoft.com
  • 204.79.197.203
whitelisted
google.com
  • 142.251.20.101
  • 142.251.20.102
  • 142.251.20.100
  • 142.251.20.138
  • 142.251.20.113
  • 142.251.20.139
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
  • 40.127.240.158
  • 51.124.78.146
whitelisted
crl.microsoft.com
  • 23.216.77.28
  • 23.216.77.6
whitelisted
www.microsoft.com
  • 23.52.181.212
  • 23.197.162.102
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
xn--n8j214gc5b0s5af8k.jp.net
  • 188.114.97.3
  • 188.114.96.3
unknown

Threats

PID
Process
Class
Message
5708
svchost.exe
Unknown Traffic
ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)
No debug info