| File name: | MasonClient.exe |
| Full analysis: | https://app.any.run/tasks/ba3f90f2-383b-4844-b36c-5a66f2cf5045 |
| 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: | April 22, 2025, 19:26:05 |
| OS: | Windows 10 Professional (build: 19044, 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: | AE63AF46507A4DBA8143D1E83F3EF33B |
| SHA1: | 55B5BF79A20EBCC70FF85AAAFA70CE8F82F629DC |
| SHA256: | D85B16955B735FD9BAD14ED84AC17450DD9A35379FA89311B4A751EE58492487 |
| SSDEEP: | 1536:dWeHeVDOkMkl7UKE6eqjOUXWR14bgaSe+g6GatRNbAn8nJW3OtR:d7eVDOkMkl7UKE6eqjOUXQ14beJrNbAM |
MALICIOUS
XWORM has been detected (YARA)
- MasonClient.exe (PID: 4112)
SUSPICIOUS
There is functionality for taking screenshot (YARA)
- MasonClient.exe (PID: 4112)
Connects to unusual port
- MasonClient.exe (PID: 4112)
INFO
Disables trace logs
- MasonClient.exe (PID: 4112)
Reads Environment values
- MasonClient.exe (PID: 4112)
Checks supported languages
- MasonClient.exe (PID: 4112)
Reads the software policy settings
- MasonClient.exe (PID: 4112)
- slui.exe (PID: 660)
- slui.exe (PID: 2568)
Reads the machine GUID from the registry
- MasonClient.exe (PID: 4112)
Checks proxy server information
- MasonClient.exe (PID: 4112)
- slui.exe (PID: 660)
Reads the computer name
- MasonClient.exe (PID: 4112)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(4112) MasonClient.exe
C2127.0.0.1:1417
Keys
AESMasonRAT
Options
SplitterMasonGroup
USB drop nameUSB.exe
MutexWRxJuRHhxyZXX3Ul
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: | 2025:04:22 19:14:48+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 47616 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xd7fe |
| 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
138
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 660 | 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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1628 | 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 Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 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
| |||||||||||||||
| 2568 | "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 Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4112 | "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(4112) MasonClient.exe C2127.0.0.1:1417 Keys AESMasonRAT Options SplitterMasonGroup USB drop nameUSB.exe MutexWRxJuRHhxyZXX3Ul | |||||||||||||||
Total events
1 542
Read events
1 528
Write events
14
Delete events
0
Modification events
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (4112) MasonClient.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MasonClient_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
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
7
TCP/UDP connections
38
DNS requests
19
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
3884 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
3884 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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 |
|---|---|---|---|---|---|---|
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 2.23.246.101:80 | www.microsoft.com | Ooredoo Q.S.C. | QA | whitelisted |
2104 | svchost.exe | 2.23.246.101:80 | www.microsoft.com | Ooredoo Q.S.C. | QA | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4112 | MasonClient.exe | 185.199.108.133:443 | raw.githubusercontent.com | FASTLY | US | whitelisted |
6544 | svchost.exe | 20.190.159.2:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
raw.githubusercontent.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
abolhb.com |
| malicious |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Attempting to access raw user content on GitHub |