| File name: | Hrkill-SilverFox.exe |
| Full analysis: | https://app.any.run/tasks/d101ca98-9fca-427c-ac9f-8ef39790f5bf |
| Verdict: | Malicious activity |
| Analysis date: | June 19, 2025, 12:48:24 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, 3 sections |
| MD5: | FF64DA1EE176AD63E6E479150B49C1DD |
| SHA1: | 2186E1CFDAAA5F07F0124E973114201F48345807 |
| SHA256: | FA303366CF1BB91AED33EBC07E5594D68FC0177ADEF55CFEEE200FEB77FF920B |
| SSDEEP: | 98304:o4JJYpdCZq1D9qxZe3hmarV+hl6SoMhsWpTkpdX94exQJfDFsShEHBvFJjFL5Eow:zOSt |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts application with an unusual extension
- Hrkill-SilverFox.exe (PID: 1156)
Executable content was dropped or overwritten
- Hrkill-SilverFox.exe (PID: 1156)
Creates files in the driver directory
- Hrkill-SilverFox.exe (PID: 1156)
Creates or modifies Windows services
- Hrkill-SilverFox.exe (PID: 1156)
Drops a system driver (possible attempt to evade defenses)
- Hrkill-SilverFox.exe (PID: 1156)
INFO
Reads the computer name
- Hrkill-SilverFox.exe (PID: 1156)
- 5DFE.tmp (PID: 5168)
- 5E2E.tmp (PID: 2032)
Checks supported languages
- 5DFE.tmp (PID: 5168)
- 5E2E.tmp (PID: 2032)
- Hrkill-SilverFox.exe (PID: 1156)
Create files in a temporary directory
- Hrkill-SilverFox.exe (PID: 1156)
UPX packer has been detected
- Hrkill-SilverFox.exe (PID: 1156)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (43.5) |
|---|---|---|
| .exe | | | Win32 EXE Yoda's Crypter (42.7) |
| .exe | | | Win32 Executable (generic) (7.2) |
| .exe | | | Generic Win/DOS Executable (3.2) |
| .exe | | | DOS Executable Generic (3.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:03 07:55:28+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 1937408 |
| InitializedDataSize: | 49152 |
| UninitializedDataSize: | 3530752 |
| EntryPoint: | 0x537210 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 2025.4.3.1 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x0017 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Unknown (0009) |
| CharacterSet: | Unicode |
| CompanyName: | Huorong Security |
| FileDescription: | 火绒银狐木马专杀工具 |
| FileVersion: | 2025.04.03.v1 |
| InternalName: | HRKill |
| LegalCopyright: | Huorong Security |
| OriginalFileName: | HRKill.exe |
| ProductName: | Huorong Internet Security |
| ProductVersion: | 1.0.0.0 |
Total processes
141
Monitored processes
5
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1156 | "C:\Users\admin\AppData\Local\Temp\Hrkill-SilverFox.exe" | C:\Users\admin\AppData\Local\Temp\Hrkill-SilverFox.exe | explorer.exe | ||||||||||||
User: admin Company: Huorong Security Integrity Level: HIGH Description: 火绒银狐木马专杀工具 Exit code: 0 Version: 2025.04.03.v1 Modules
| |||||||||||||||
| 2032 | "C:\Users\admin\AppData\Local\Temp\5E2E.tmp" 656 | C:\Users\admin\AppData\Local\Temp\5E2E.tmp | — | Hrkill-SilverFox.exe | |||||||||||
User: admin Company: Huorong Security Integrity Level: HIGH Description: Huorong Internet Security (Uext) Exit code: 8 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3504 | 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
| |||||||||||||||
| 5168 | "C:\Users\admin\AppData\Local\Temp\5DFE.tmp" 636 | C:\Users\admin\AppData\Local\Temp\5DFE.tmp | — | Hrkill-SilverFox.exe | |||||||||||
User: admin Company: Huorong Security Integrity Level: HIGH Description: Huorong Internet Security (Uext) Exit code: 4294967282 Version: 1.0.0.0 Modules
| |||||||||||||||
| 6892 | "C:\Users\admin\AppData\Local\Temp\Hrkill-SilverFox.exe" | C:\Users\admin\AppData\Local\Temp\Hrkill-SilverFox.exe | — | explorer.exe | |||||||||||
User: admin Company: Huorong Security Integrity Level: MEDIUM Description: 火绒银狐木马专杀工具 Exit code: 3221226540 Version: 2025.04.03.v1 Modules
| |||||||||||||||
Total events
292
Read events
276
Write events
13
Delete events
3
Modification events
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | DebugLevel |
Value: 1 | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | DependOnService |
Value: FltMgr | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | ErrorControl |
Value: 1 | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | Start |
Value: 3 | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | Type |
Value: 1 | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | Tag |
Value: 2 | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | Group |
Value: PNP_TDI | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | ImagePath |
Value: system32\DRIVERS\v6s0FsmW_iO.sys | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | DisplayName |
Value: Huorong Internet Security (Kext) | |||
| (PID) Process: | (1156) Hrkill-SilverFox.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\v6s0FsmW_iO |
| Operation: | write | Name: | Description |
Value: Huorong Internet Security (Kext) | |||
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1156 | Hrkill-SilverFox.exe | C:\Users\admin\AppData\Local\Temp\5DFE.tmp | executable | |
MD5:07EAE3A729C09CA682C943DEAD65663F | SHA256:2F416F84B6A00C106397D62CCAF0A29B8A5A2F8B4FF616BEF432237724199164 | |||
| 1156 | Hrkill-SilverFox.exe | C:\Windows\System32\drivers\v6s0FsmW_iO.sys | executable | |
MD5:BDABB7EE1C3213D2E2109DFF3A1AE1B5 | SHA256:B388E0914FDA1D69CEE7B3FFBB218B792D1AAA13C2BD9AE9F9AF7E8E36EB1434 | |||
| 1156 | Hrkill-SilverFox.exe | C:\Users\admin\AppData\Local\Temp\5E2E.tmp | executable | |
MD5:07EAE3A729C09CA682C943DEAD65663F | SHA256:2F416F84B6A00C106397D62CCAF0A29B8A5A2F8B4FF616BEF432237724199164 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
23
DNS requests
15
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1268 | svchost.exe | GET | 200 | 23.55.104.172:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | US | binary | 825 b | whitelisted |
1268 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | NL | binary | 868 b | whitelisted |
1200 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | DE | binary | 471 b | whitelisted |
4460 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | NL | binary | 420 b | whitelisted |
4460 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | NL | binary | 408 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 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 51.124.78.146:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 51.124.78.146:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4456 | RUXIMICS.exe | 51.124.78.146:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1268 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 23.55.104.172:80 | crl.microsoft.com | Akamai International B.V. | US | whitelisted |
2336 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
1268 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
1200 | svchost.exe | 20.190.160.3:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |