| File name: | MasonClient.exe |
| Full analysis: | https://app.any.run/tasks/38b887d1-3e5c-4fce-930b-4f7316c1b2ff |
| Verdict: | Malicious activity |
| Threats: | XWorm is a remote access trojan (RAT) sold as a malware-as-a-service. It possesses an extensive hacking toolset and is capable of gathering private information and files from the infected computer, hijacking MetaMask and Telegram accounts, and tracking user activity. XWorm is typically delivered to victims' computers through multi-stage attacks that start with phishing emails. |
| Analysis date: | February 23, 2025, 14:23:23 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | 029BA6C7F7F1A372BC2F41266F661A33 |
| SHA1: | EF2ECEE5CC1C29E7E581B8AD9AB27A3EEFA0B87E |
| SHA256: | FB1E8739E459643B013C44F3B1E455D9957DC25A1BFDB20D7D9D6F9E36983675 |
| SSDEEP: | 1536:rWUpIP6HyUIXNzuUDZUT60KATg7X0kc9HS3Oz5fQ:CfP6Re40Dc9HS3OO |
MALICIOUS
Create files in the Startup directory
- MasonClient.exe (PID: 4824)
Uses Task Scheduler to run other applications
- MasonClient.exe (PID: 4824)
Changes the autorun value in the registry
- MasonClient.exe (PID: 4824)
XWORM has been detected (SURICATA)
- MasonClient.exe (PID: 4824)
XWORM has been detected (YARA)
- MasonClient.exe (PID: 4824)
SUSPICIOUS
Executable content was dropped or overwritten
- MasonClient.exe (PID: 4824)
Reads security settings of Internet Explorer
- MasonClient.exe (PID: 4824)
Reads the date of Windows installation
- MasonClient.exe (PID: 4824)
Checks for external IP
- svchost.exe (PID: 2192)
- MasonClient.exe (PID: 4824)
There is functionality for taking screenshot (YARA)
- MasonClient.exe (PID: 4824)
The process executes via Task Scheduler
- MasonClient.exe (PID: 7140)
Contacting a server suspected of hosting an CnC
- MasonClient.exe (PID: 4824)
Connects to unusual port
- MasonClient.exe (PID: 4824)
INFO
Reads the computer name
- MasonClient.exe (PID: 4824)
- MasonClient.exe (PID: 7140)
Checks supported languages
- MasonClient.exe (PID: 4824)
- MasonClient.exe (PID: 7140)
Disables trace logs
- MasonClient.exe (PID: 4824)
Reads the machine GUID from the registry
- MasonClient.exe (PID: 4824)
Reads Environment values
- MasonClient.exe (PID: 4824)
Checks proxy server information
- MasonClient.exe (PID: 4824)
Creates files or folders in the user directory
- MasonClient.exe (PID: 4824)
Process checks computer location settings
- MasonClient.exe (PID: 4824)
Reads the software policy settings
- MasonClient.exe (PID: 4824)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(4824) MasonClient.exe
C2language-you.gl.at.ply.gg:42287
Keys
AES<123456789>
Options
Splitter<Neptune>
USB drop nameUSB.exe
MutexJNQQHe3ORA2LRrZR
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:02:23 14:17:28+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 42496 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xc4de |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | |
| FileVersion: | 1.0.0.0 |
| InternalName: | MasonClient.exe |
| LegalCopyright: | |
| OriginalFileName: | MasonClient.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
130
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2192 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4824 | "C:\Users\admin\Desktop\MasonClient.exe" | C:\Users\admin\Desktop\MasonClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 1.0.0.0 Modules
XWorm(PID) Process(4824) MasonClient.exe C2language-you.gl.at.ply.gg:42287 Keys AES<123456789> Options Splitter<Neptune> USB drop nameUSB.exe MutexJNQQHe3ORA2LRrZR | |||||||||||||||
| 6352 | "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "MasonClient" /tr "C:\Users\admin\AppData\Roaming\MasonClient.exe" | C:\Windows\System32\schtasks.exe | — | MasonClient.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6360 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7140 | "C:\Users\admin\AppData\Roaming\MasonClient.exe" | C:\Users\admin\AppData\Roaming\MasonClient.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
2 557
Read events
2 542
Write events
15
Delete events
0
Modification events
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MasonClient |
Value: C:\Users\admin\AppData\Roaming\MasonClient.exe | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4824) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4824 | MasonClient.exe | C:\Users\admin\AppData\Roaming\MasonClient.exe | executable | |
MD5:029BA6C7F7F1A372BC2F41266F661A33 | SHA256:FB1E8739E459643B013C44F3B1E455D9957DC25A1BFDB20D7D9D6F9E36983675 | |||
| 4824 | MasonClient.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MasonClient.exe | executable | |
MD5:029BA6C7F7F1A372BC2F41266F661A33 | SHA256:FB1E8739E459643B013C44F3B1E455D9957DC25A1BFDB20D7D9D6F9E36983675 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
45
DNS requests
21
Threats
28
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.48.23.181:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.181:80 | 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 |
— | — | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4824 | MasonClient.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | whitelisted |
5064 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6516 | backgroundTaskHost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
7064 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7064 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
448 | 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 |
— | — | 23.48.23.181:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.48.23.181:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
— | — | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4824 | MasonClient.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
ip-api.com |
| whitelisted |
www.bing.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
language-you.gl.at.ply.gg |
| unknown |
go.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2192 | svchost.exe | Device Retrieving External IP Address Detected | INFO [ANY.RUN] External IP Check (ip-api .com) |
4824 | MasonClient.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup ip-api.com |
4824 | MasonClient.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
2192 | svchost.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com) |
2192 | svchost.exe | Misc activity | ET TA_ABUSED_SERVICES Tunneling Service in DNS Lookup (* .ply .gg) |
2192 | svchost.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Suspected domain Associated with Malware Distribution (.ply .gg) |
2192 | svchost.exe | Potentially Bad Traffic | ET INFO playit .gg Tunneling Domain in DNS Lookup |
4824 | MasonClient.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm Network Packet |
2192 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Attempting to access raw user content on GitHub |
4824 | MasonClient.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm Network Packet |