| File name: | MasonClient.exe |
| Full analysis: | https://app.any.run/tasks/2dbda9b7-a036-45ce-bd86-38b6963b09c6 |
| 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: | March 19, 2025, 00:41:13 |
| 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: | FAC3703AEB7FF02BE153A782EACF3F54 |
| SHA1: | A9D362E05F5FBD55B106E245D8FDED9E6C45C5E0 |
| SHA256: | DC4E5B5D3366A24A0FDAFF92BD54D220A2553B1AD0D5CB1442451D269E743F72 |
| SSDEEP: | 768:NJHQDzCTvCOACW2IuzAptpuZpIim9T8Mtb21M6T6wuWxPJ/hFOsK82+jG6:3QHio2IftuZpE9Rb21MyJ3Oa1 |
MALICIOUS
Uses Task Scheduler to run other applications
- MasonClient.exe (PID: 4784)
Changes the autorun value in the registry
- MasonClient.exe (PID: 4784)
XWORM has been detected (YARA)
- MasonClient.exe (PID: 4784)
SUSPICIOUS
Reads the date of Windows installation
- MasonClient.exe (PID: 4784)
Executable content was dropped or overwritten
- MasonClient.exe (PID: 4784)
Reads security settings of Internet Explorer
- MasonClient.exe (PID: 4784)
Checks for external IP
- MasonClient.exe (PID: 4784)
- svchost.exe (PID: 2196)
Connects to unusual port
- MasonClient.exe (PID: 4784)
There is functionality for taking screenshot (YARA)
- MasonClient.exe (PID: 4784)
The process executes via Task Scheduler
- MasonClient.exe (PID: 2236)
INFO
Reads Environment values
- MasonClient.exe (PID: 4784)
Disables trace logs
- MasonClient.exe (PID: 4784)
Creates files or folders in the user directory
- MasonClient.exe (PID: 4784)
Checks supported languages
- MasonClient.exe (PID: 4784)
- MasonClient.exe (PID: 2236)
Checks proxy server information
- MasonClient.exe (PID: 4784)
Process checks computer location settings
- MasonClient.exe (PID: 4784)
Reads the computer name
- MasonClient.exe (PID: 4784)
- MasonClient.exe (PID: 2236)
Autorun file from Registry key
- MasonClient.exe (PID: 4784)
Reads the software policy settings
- MasonClient.exe (PID: 4784)
Reads the machine GUID from the registry
- MasonClient.exe (PID: 4784)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(4784) MasonClient.exe
C2127.0.0.1:1417
Keys
AESMasonRAT
Options
SplitterMasonGroup
USB drop nameUSB.exe
Mutex5MwTh7ikc2VFKv1d
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: | 2025:03:19 00:30:47+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 54784 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xf3fe |
| 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 |
| Comments: | %Des% |
| CompanyName: | %Company% |
| FileDescription: | %Title% |
| FileVersion: | 1.0.0.0 |
| InternalName: | MasonClient.exe |
| LegalCopyright: | %Copyright% |
| LegalTrademarks: | %Trademark% |
| OriginalFileName: | MasonClient.exe |
| ProductName: | %Product% |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
140
Monitored processes
7
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2196 | 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
| |||||||||||||||
| 2236 | "C:\Users\admin\AppData\Roaming\MasonClient.exe" | C:\Users\admin\AppData\Roaming\MasonClient.exe | — | svchost.exe | |||||||||||
User: admin Company: %Company% Integrity Level: MEDIUM Description: %Title% Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 4784 | "C:\Users\admin\AppData\Local\Temp\MasonClient.exe" | C:\Users\admin\AppData\Local\Temp\MasonClient.exe | explorer.exe | ||||||||||||
User: admin Company: %Company% Integrity Level: MEDIUM Description: %Title% Version: 1.0.0.0 Modules
XWorm(PID) Process(4784) MasonClient.exe C2127.0.0.1:1417 Keys AESMasonRAT Options SplitterMasonGroup USB drop nameUSB.exe Mutex5MwTh7ikc2VFKv1d | |||||||||||||||
| 7320 | "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
| |||||||||||||||
| 7328 | \??\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
| |||||||||||||||
| 7436 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7468 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
53 648
Read events
53 633
Write events
15
Delete events
0
Modification events
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (4784) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4784 | MasonClient.exe | C:\Users\admin\AppData\Roaming\MasonClient.exe | executable | |
MD5:FAC3703AEB7FF02BE153A782EACF3F54 | SHA256:DC4E5B5D3366A24A0FDAFF92BD54D220A2553B1AD0D5CB1442451D269E743F72 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
27
DNS requests
16
Threats
5
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4784 | MasonClient.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7800 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
3332 | SIHClient.exe | GET | 200 | 104.119.109.218:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
3332 | SIHClient.exe | GET | 200 | 104.119.109.218:80 | 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 |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4784 | MasonClient.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | whitelisted |
4784 | MasonClient.exe | 185.199.109.133:443 | raw.githubusercontent.com | FASTLY | US | whitelisted |
2432 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4784 | MasonClient.exe | 185.172.175.125:505 | abolhb.com | HUGESERVER-NETWORKS | LT | malicious |
3216 | svchost.exe | 20.198.162.76:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | SG | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
ip-api.com |
| whitelisted |
raw.githubusercontent.com |
| whitelisted |
abolhb.com |
| malicious |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
arc.msn.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Device Retrieving External IP Address Detected | INFO [ANY.RUN] External IP Check (ip-api .com) |
4784 | MasonClient.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
4784 | MasonClient.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup ip-api.com |
2196 | svchost.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com) |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Attempting to access raw user content on GitHub |