| File name: | Windows10Upgrade9252 (1).exe |
| Full analysis: | https://app.any.run/tasks/7670f893-c7dd-4bc7-9376-737ce04472b9 |
| Verdict: | Malicious activity |
| Analysis date: | June 01, 2025, 18:13:09 |
| 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, 6 sections |
| MD5: | C0B25DEF4312FBDDBCC4F01C6C0F5BA6 |
| SHA1: | 8D16A183D61233E7D6B6AF7B3CAFC6645AC2ACB1 |
| SHA256: | C0424D0AE06CA1E6E0249B40D33AC40D74075856D543EC0924884664FBA52B79 |
| SSDEEP: | 98304:GgjXlctych4cCzJ8k2omX8sUf0ht5f/LyXtcH/B:JjKtych9CzJqXM32jyXE |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts a Microsoft application from unusual location
- Windows10Upgrade9252 (1).exe (PID: 6816)
- Windows10Upgrade9252 (1).exe (PID: 6476)
Process drops legitimate windows executable
- Windows10Upgrade9252 (1).exe (PID: 6476)
Executable content was dropped or overwritten
- Windows10Upgrade9252 (1).exe (PID: 6476)
Creates a software uninstall entry
- Windows10Upgrade9252 (1).exe (PID: 6476)
Reads security settings of Internet Explorer
- Windows10Upgrade9252 (1).exe (PID: 6476)
- Windows10UpgraderApp.exe (PID: 6028)
Reads Microsoft Outlook installation path
- Windows10UpgraderApp.exe (PID: 6028)
Reads Internet Explorer settings
- Windows10UpgraderApp.exe (PID: 6028)
INFO
The sample compiled with bulgarian language support
- Windows10Upgrade9252 (1).exe (PID: 6476)
The sample compiled with arabic language support
- Windows10Upgrade9252 (1).exe (PID: 6476)
The sample compiled with english language support
- Windows10Upgrade9252 (1).exe (PID: 6476)
Create files in a temporary directory
- Windows10Upgrade9252 (1).exe (PID: 6476)
- Windows10UpgraderApp.exe (PID: 6028)
Reads the computer name
- Windows10Upgrade9252 (1).exe (PID: 6476)
- Windows10UpgraderApp.exe (PID: 6028)
Checks supported languages
- Windows10Upgrade9252 (1).exe (PID: 6476)
- Windows10UpgraderApp.exe (PID: 6028)
Creates files in the program directory
- Windows10Upgrade9252 (1).exe (PID: 6476)
- Windows10UpgraderApp.exe (PID: 6028)
Process checks computer location settings
- Windows10Upgrade9252 (1).exe (PID: 6476)
Checks proxy server information
- Windows10UpgraderApp.exe (PID: 6028)
Reads the software policy settings
- Windows10UpgraderApp.exe (PID: 6028)
Creates files or folders in the user directory
- Windows10UpgraderApp.exe (PID: 6028)
Reads the machine GUID from the registry
- Windows10UpgraderApp.exe (PID: 6028)
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) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2046:06:23 08:08:25+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.2 |
| CodeSize: | 473600 |
| InitializedDataSize: | 295424 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x71a80 |
| OSVersion: | 10 |
| ImageVersion: | 10 |
| SubsystemVersion: | 10 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.4.19041.2183 |
| ProductVersionNumber: | 1.4.19041.2183 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Bulgarian |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | WindowsInstallationAssistant |
| InternalName: | WindowsInstallationAssistant.exe |
| LegalCopyright: | © Microsoft Corporation. Всички права запазени. |
| OriginalFileName: | WindowsInstallationAssistant.exe |
| ProductName: | Помощник за инсталиране на Windows |
| FileVersion: | 1.4.19041.2183 |
| ProductVersion: | 1.4.19041.2183 |
Total processes
133
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6028 | "C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe" | C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe | Windows10Upgrade9252 (1).exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Installation Assistant Exit code: 0 Version: 1.4.19041.2183 Modules
| |||||||||||||||
| 6060 | 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
| |||||||||||||||
| 6476 | "C:\Users\admin\AppData\Local\Temp\Windows10Upgrade9252 (1).exe" | C:\Users\admin\AppData\Local\Temp\Windows10Upgrade9252 (1).exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: WindowsInstallationAssistant Exit code: 0 Version: 1.4.19041.2183 Modules
| |||||||||||||||
| 6816 | "C:\Users\admin\AppData\Local\Temp\Windows10Upgrade9252 (1).exe" | C:\Users\admin\AppData\Local\Temp\Windows10Upgrade9252 (1).exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: WindowsInstallationAssistant Exit code: 3221226540 Version: 1.4.19041.2183 Modules
| |||||||||||||||
Total events
1 415
Read events
1 389
Write events
24
Delete events
2
Modification events
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | Publisher |
Value: Microsoft Corporation | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | DisplayName |
Value: Windows 10 Update Assistant | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | DisplayIcon |
Value: "C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe" | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | DisplayVersion |
Value: 1.4.19041.2183 | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | UninstallString |
Value: "C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe" /ForceUninstall | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{D5C69738-B486-402E-85AC-2456D98A64E4} |
| Operation: | write | Name: | EstimatedSize |
Value: 5120 | |||
| (PID) Process: | (6476) Windows10Upgrade9252 (1).exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\UpdateAssistantBox\LocalState\TelemetryUpdateAssistant |
| Operation: | write | Name: | GlobalEventCounter |
Value: 0200000000000000 | |||
| (PID) Process: | (6028) Windows10UpgraderApp.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\UpdateAssistantApp\LocalState\TelemetryUpdateAssistant |
| Operation: | write | Name: | GlobalEventCounter |
Value: 0200000000000000 | |||
| (PID) Process: | (6028) Windows10UpgraderApp.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\UpdateAssistantApp\LocalState\TelemetryUpdateAssistant |
| Operation: | write | Name: | GlobalEventCounter |
Value: 0300000000000000 | |||
| (PID) Process: | (6028) Windows10UpgraderApp.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
Executable files
16
Suspicious files
20
Text files
29
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\appraiserxp.dll | executable | |
MD5:CBB270591C9A1BFB1B10559AB672F705 | SHA256:770A9A15E1EB8E2729F23A3D262B55BEF16E4BB7822A2D16EEAC3DB35A116D7F | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\GetCurrentRollback.EXE | executable | |
MD5:D705A34A869AC46E3F07C9BE3EA1693A | SHA256:0436DEDA2DBBD46D74E4A83B5897BA26A3EC35A9AB77D4B46E7477D9CDD213B8 | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\Windows10UpgraderApp.exe | executable | |
MD5:AB38A78503D8AD3CE7D69F937D71A99C | SHA256:F635CD1996967C2297E3F20C4838D2F45D1535CFEA38971909683E26158FB782 | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\downloader.dll | executable | |
MD5:5B62AD6AE42F32806062AD1BCB3E2DE5 | SHA256:96F7B268820511ABEEB6BBFAD0918CF9161366BC2F558EF7F011331E7DE1D6F3 | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\resources\ux\default.css | text | |
MD5:7F5FCAC447CC2150AC90020F8DC8C98B | SHA256:453D8CA4F52FB8FD40D5B4596596911B9FB0794BB89FBF9B60DC27AF3EAA2850 | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\resources\ux\default_sunvalley.htm | html | |
MD5:66B63E270CC9186F7186B316606F541F | SHA256:00F8F3E4534146858326D6D2524F3360DFC9E5D149E207D61CABAC17AD7A5F9F | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\ESDHelper.dll | executable | |
MD5:C61DCF4DB82482A4498FCCA646A6C640 | SHA256:C98289454CDCB2266E82204AF73A799B09458A899CDD8366E24FBB613273C0FF | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\GetCurrentDeploy.dll | executable | |
MD5:410FAC98056AB0BE74E4539A4C0EAAFF | SHA256:09EC6DC5CB94160B2C4D9F1F4224A7DC1951F227DD311ACB1BC4335F23DB9B24 | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\resources\ux\logo.png | image | |
MD5:AFEED45DF4D74D93C260A86E71E09102 | SHA256:F5FB1E3A7BCA4E2778903E8299C63AB34894E810A174B0143B79183C0FA5072F | |||
| 6476 | Windows10Upgrade9252 (1).exe | C:\Users\admin\AppData\Local\Temp\WXUFB35.tmp\resources\ux\loading.gif | image | |
MD5:1A276CB116BDECE96ADF8E32C4AF4FEE | SHA256:9D9A156C6CA2929F0F22C310260723E28428CB38995C0F940F2617B25E15B618 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
32
DNS requests
17
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.168.124:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6028 | Windows10UpgraderApp.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7896 | 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 |
7896 | 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 |
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 | — | — | — | whitelisted |
6544 | svchost.exe | 20.190.160.22:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 2.16.168.124:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6028 | Windows10UpgraderApp.exe | 95.100.186.9:443 | go.microsoft.com | AKAMAI-AS | FR | whitelisted |
6028 | Windows10UpgraderApp.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
6028 | Windows10UpgraderApp.exe | 23.58.110.83:443 | download.microsoft.com | AKAMAI-AS | IN | whitelisted |
6544 | svchost.exe | 20.190.160.66:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
login.live.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
download.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |