| File name: | vstdlib_s64.dll |
| Full analysis: | https://app.any.run/tasks/3fdd8445-eb80-4640-ba6e-53ea32bb775e |
| Verdict: | Malicious activity |
| Threats: | Rhadamanthys is a C++ information-stealing malware that extracts sensitive data from infiltrated machines. Its layered operational chain and advanced evasion tactics make it a major risk in cybersecurity landscapes. |
| Analysis date: | February 23, 2025, 01:33:23 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (DLL) (GUI) x86-64, for MS Windows, 8 sections |
| MD5: | C7ADFE8ADEFD46CBF4C4E066F48BE7C2 |
| SHA1: | 395EDDC9104A14822391420DBA170FAFD49FEF32 |
| SHA256: | 56A3B248A233CED12AFAB7FD34B9D077340B05AD27DC210C51C07A0D9E287ACA |
| SSDEEP: | 98304:rJ3TvrSVqrakJlCVlE+v3W/7zI6OUFiVTV/7zkkfnTrXweWIUqejGs5i4BcrHCb5:DW |
MALICIOUS
RHADAMANTHYS mutex has been found
- MSBuild.exe (PID: 4328)
- svchost.exe (PID: 2324)
RHADAMANTHYS has been detected (YARA)
- svchost.exe (PID: 2324)
SUSPICIOUS
The process checks if it is being run in the virtual environment
- svchost.exe (PID: 2324)
Executes application which crashes
- MSBuild.exe (PID: 4328)
Connects to unusual port
- svchost.exe (PID: 2324)
INFO
Checks supported languages
- MSBuild.exe (PID: 4328)
Manual execution by a user
- svchost.exe (PID: 2324)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .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) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:02:20 13:40:21+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware, DLL |
| PEType: | PE32+ |
| LinkerVersion: | 14.32 |
| CodeSize: | 4992512 |
| InitializedDataSize: | 6628864 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xbed08 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 159.148.1234.7890 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | Marijampolės Duomenų Integratorius – pažangus sprendimas didelių informacijos srautų sujungimui ir analizei |
| CompanyName: | Suvalkijos Technologijos |
| FileDescription: | Šakiai |
| FileVersion: | 159.148.1234.7890 |
| InternalName: | Šakiai.dll |
| LegalCopyright: | |
| OriginalFileName: | Šakiai.dll |
| ProductName: | Marijampolės Duomenų Integratorius |
| ProductVersion: | 1.0.0 |
| AssemblyVersion: | 159.148.1234.7890 |
Total processes
126
Monitored processes
4
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2324 | "C:\Windows\System32\svchost.exe" | C:\Windows\SysWOW64\svchost.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Services Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3612 | "C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\Desktop\vstdlib_s64.dll, #1 | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4328 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | rundll32.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Exit code: 3221225477 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 5992 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4328 -s 532 | C:\Windows\SysWOW64\WerFault.exe | — | MSBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
695
Read events
694
Write events
1
Delete events
0
Modification events
| (PID) Process: | (4328) MSBuild.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\SibCode |
| Operation: | write | Name: | sn3 |
Value: 5C2EAE6B9913C3624C988B34470364B5BC27A54E3D798BEC0C44C79A22FB0C34E684D2EB122F92111E61E0FD24001F185AC9F0610C4F53F1540C137AF5150BA4 | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
29
DNS requests
6
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2356 | svchost.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2356 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5156 | RUXIMICS.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5156 | RUXIMICS.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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 |
|---|---|---|---|---|---|---|
2356 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5156 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5156 | RUXIMICS.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2356 | svchost.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2356 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5156 | RUXIMICS.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |