| File name: | GuardSer.exe |
| Full analysis: | https://app.any.run/tasks/b8616776-f6da-462a-9671-1d57fff503e5 |
| Verdict: | Malicious activity |
| Analysis date: | February 22, 2025, 18:03:33 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (console) Intel 80386, for MS Windows, 5 sections |
| MD5: | 6EF5897E3C4DA2724633A3A6AB678049 |
| SHA1: | B78DFDCBEAF473266ED8CA8A46D1829E351436C1 |
| SHA256: | EE9E775BFF97A590729BE399E6B38E7D32BC955DE64A621E5061C2E354E45414 |
| SSDEEP: | 3072:U9CsqTZqqqa2MakHijwpNWQbALGlfE1nEv/:U9CsqTZqqqa2MXijSNWQbALmfE1nO |
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:10:28 07:45:21+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 80384 |
| InitializedDataSize: | 43008 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x126c1 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 20.9.28.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Chinese (Simplified) |
| CharacterSet: | Unicode |
| CompanyName: | Shenzhen iMyFone Technology Co., Ltd. |
| FileDescription: | guardService |
| FileVersion: | 20.9.28.1 |
| InternalName: | GuardSer.exe |
| LegalCopyright: | Copyright (C) 2020 |
| OriginalFileName: | GuardSer.exe |
| ProductName: | MvHost |
| ProductVersion: | 1.0.0.1 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4164 | "C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "255CDA8B-2598-4F7F-B923-3CACC1E86B8B" "4B65C956-61A6-4892-944E-A17C2D0DBED4" "6360" | C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe | — | WINWORD.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64. Exit code: 0 Version: 0.12.2.0 Modules
| |||||||||||||||
| 6360 | "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\admin\Desktop\precoast.rtf" /o "" | C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 0 Version: 16.0.16026.20146 Modules
| |||||||||||||||
| 6492 | "C:\Users\admin\AppData\Local\Temp\GuardSer.exe" | C:\Users\admin\AppData\Local\Temp\GuardSer.exe | — | explorer.exe | |||||||||||
User: admin Company: Shenzhen iMyFone Technology Co., Ltd. Integrity Level: MEDIUM Description: guardService Exit code: 3221226540 Version: 20.9.28.1 Modules
| |||||||||||||||
| 6656 | "C:\Users\admin\AppData\Local\Temp\GuardSer.exe" | C:\Users\admin\AppData\Local\Temp\GuardSer.exe | explorer.exe | ||||||||||||
User: admin Company: Shenzhen iMyFone Technology Co., Ltd. Integrity Level: HIGH Description: guardService Exit code: 0 Version: 20.9.28.1 Modules
| |||||||||||||||
| 6672 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | GuardSer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling |
| Operation: | write | Name: | 0 |
Value: 017012000000001000B24E9A3E02000000000000000600000000000000 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\WINWORD\6360 |
| Operation: | write | Name: | 0 |
Value: 0B0E1084E1A2C8A10EF5459920F0CB67A4F095230046E6DADE90C2AAE1ED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511D831D2120B770069006E0077006F00720064002E00650078006500C51620C517808004C91808323231322D44656300 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | en-US |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | de-de |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | fr-fr |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | es-es |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | it-it |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | ja-jp |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | ko-kr |
Value: 2 | |||
| (PID) Process: | (6360) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | pt-br |
Value: 2 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187 | binary | |
MD5:DB7C32390D484EF304C162134D4DD036 | SHA256:F874D624EFEDFCF36AA74062D3A3E6C59E509948B2B67F977673C2C61CB207C6 | |||
| 6656 | GuardSer.exe | C:\Users\admin\AppData\Local\Temp\Log\SvcInner.log | text | |
MD5:B962C3E66387B5D2A6D61BBA7A06360D | SHA256:6B3067A32BD4C3AC3E3B4B2F37B441575342AB6B5108F86899F02CD8A6E52F33 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | binary | |
MD5:44C7BC7C36BD7EC124470E7B28A35393 | SHA256:A82989F15E3D16E1C6468CA929C8CCFEDE6B644A5F44FEA8E2B7B69C14211446 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin | text | |
MD5:3A95973D1A486F6B22C35AD4340E6129 | SHA256:B535427E528A1A23F30E4A8ABC1E892FBC310F434A93A79A6DF3EF85AC36E838 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187 | binary | |
MD5:A1B7D602A89B7C7C30DC2B2BA1519CDA | SHA256:2F25B037104E0E262848A1E78985B39327FDC13C6CF055633218AD13AB55C49C | |||
| 6360 | WINWORD.EXE | C:\Users\admin\Desktop\~$ecoast.rtf | binary | |
MD5:2D4CAB40B2252643A7E6C71FD7CAE4ED | SHA256:BD0A5DD7F5901621A3B0F0962A6FD892BFD95C66871A3DFC1027FB399A285C9E | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres | binary | |
MD5:055A48DAC7DCF321CA4E046ED2E2330C | SHA256:C6B3FA5398C81F84EBB8BD78CFBB1C6DE3733E02CEFCEFBD9B578A0090C1DAB7 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bin | text | |
MD5:CC90D669144261B198DEAD45AA266572 | SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | text | |
MD5:0605D602E1DA5CFFC185EC107CC7A972 | SHA256:204853E186BE324B4A920D21EA9844883C27898F394585542D788F48AE22EB72 | |||
| 6360 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres | binary | |
MD5:B77F68E85DD6D4A28F9A0588EABBAB97 | SHA256:6889499CF6D1713D00DFF77B7FE89EC272376F40F88A75A2275E6756715ACEDC | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.48.23.151:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6360 | WINWORD.EXE | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6360 | WINWORD.EXE | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D | unknown | — | — | whitelisted |
236 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
236 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6360 | WINWORD.EXE | GET | 200 | 23.48.23.190:80 | http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl | unknown | — | — | whitelisted |
6360 | WINWORD.EXE | GET | 200 | 23.48.23.190:80 | http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5064 | SearchApp.exe | 184.86.251.24:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
— | — | 23.48.23.151:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
2040 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1176 | svchost.exe | 20.190.159.4:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1176 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
ecs.office.com |
| whitelisted |
Process | Message |
|---|---|
GuardSer.exe | [6656.6660.GuardSer.exe.GuardSer] [SVC] -----SVC init(pid = 6656,name = Assistant App GuardService)-------------
|
GuardSer.exe | [6656.6660.GuardSer.exe.GuardSer] [SVC] ERR:StartServiceCtrlDispatcher fail! 0x427
|
WINWORD.EXE | WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
|
WINWORD.EXE | WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
|
WINWORD.EXE | WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
|