| File name: | svchost.exe |
| Full analysis: | https://app.any.run/tasks/f19567b0-2a48-4b94-aaf4-456cafdeb3c0 |
| Verdict: | Malicious activity |
| Analysis date: | May 29, 2025, 03:01:58 |
| 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, 4 sections |
| MD5: | 897FD5CC7243E23CCD16B9706D0D4B85 |
| SHA1: | E864024CDC875B7274CCBDDD9D654C47F3C14C37 |
| SHA256: | A5ABE9B651A53A8D4E458D80A3F3D1A6CB12FD30C51C4F2C1AE385921175F977 |
| SSDEEP: | 3072:rgvsAUWmY/X5+rtqsi+zTzza5WOdp6eJ:kvsAUWJCiEzSWMH |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executes as Windows Service
- yyaoye.exe (PID: 776)
Executable content was dropped or overwritten
- svchost.exe (PID: 1284)
Creates or modifies Windows services
- svchost.exe (PID: 1284)
Application launched itself
- yyaoye.exe (PID: 776)
Connects to unusual port
- yyaoye.exe (PID: 6644)
INFO
Reads the computer name
- svchost.exe (PID: 1284)
- yyaoye.exe (PID: 776)
- yyaoye.exe (PID: 6644)
The sample compiled with chinese language support
- svchost.exe (PID: 1284)
Checks supported languages
- svchost.exe (PID: 1284)
- yyaoye.exe (PID: 776)
- yyaoye.exe (PID: 6644)
Reads CPU info
- yyaoye.exe (PID: 6644)
Reads the software policy settings
- slui.exe (PID: 6820)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:01:21 13:33:42+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 28672 |
| InitializedDataSize: | 110592 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x29c3 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Chinese (Simplified) |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | |
| FileDescription: | Install |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | Install |
| LegalCopyright: | 版权所有(C) 2019 |
| LegalTrademarks: | - |
| OriginalFileName: | Install.dat |
| PrivateBuild: | - |
| ProductName: | Install |
| ProductVersion: | 1, 0, 0, 1 |
| SpecialBuild: | - |
Total processes
140
Monitored processes
7
Malicious processes
0
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 776 | C:\WINDOWS\yyaoye.exe | C:\Windows\yyaoye.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Integrity Level: SYSTEM Description: Install Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 1284 | "C:\Users\admin\AppData\Local\Temp\svchost.exe" | C:\Users\admin\AppData\Local\Temp\svchost.exe | explorer.exe | ||||||||||||
User: admin Company: Integrity Level: HIGH Description: Install Exit code: 0 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 1532 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2660 | 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
| |||||||||||||||
| 4756 | "C:\Users\admin\AppData\Local\Temp\svchost.exe" | C:\Users\admin\AppData\Local\Temp\svchost.exe | — | explorer.exe | |||||||||||
User: admin Company: Integrity Level: MEDIUM Description: Install Exit code: 3221226540 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 6644 | C:\WINDOWS\yyaoye.exe Win7 | C:\Windows\yyaoye.exe | yyaoye.exe | ||||||||||||
User: SYSTEM Company: Integrity Level: SYSTEM Description: Install Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 6820 | "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
| |||||||||||||||
Total events
1 417
Read events
1 411
Write events
6
Delete events
0
Modification events
| (PID) Process: | (1284) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Defghi |
| Operation: | write | Name: | Group |
Value: Default | |||
| (PID) Process: | (1284) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Defghi |
| Operation: | write | Name: | InstallTime |
Value: 2025-05-29 03:02 | |||
| (PID) Process: | (1284) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Defghi |
| Operation: | write | Name: | Description |
Value: Defghijk Mnopqrstu Wxyabcd Fghijklm Opq | |||
| (PID) Process: | (6644) yyaoye.exe | Key: | HKEY_USERS\.DEFAULT\Software\Microsoft\ActiveMovie\devenum |
| Operation: | write | Name: | Version |
Value: 7 | |||
| (PID) Process: | (6644) yyaoye.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\DirectDraw\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: yyaoye.exe | |||
| (PID) Process: | (6644) yyaoye.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\DirectDraw\MostRecentApplication |
| Operation: | write | Name: | ID |
Value: | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1284 | svchost.exe | C:\Windows\SysWOW64\1093046.bak | executable | |
MD5:897FD5CC7243E23CCD16B9706D0D4B85 | SHA256:A5ABE9B651A53A8D4E458D80A3F3D1A6CB12FD30C51C4F2C1AE385921175F977 | |||
| 1284 | svchost.exe | C:\Windows\yyaoye.exe | executable | |
MD5:897FD5CC7243E23CCD16B9706D0D4B85 | SHA256:A5ABE9B651A53A8D4E458D80A3F3D1A6CB12FD30C51C4F2C1AE385921175F977 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
26
DNS requests
20
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2740 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2740 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5796 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
6592 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.23.181.156:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2112 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6644 | yyaoye.exe | 154.217.244.152:8001 | — | MULTA-ASN1 | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
ref.tbfull.com |
| unknown |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |