| File name: | YSBTK_XClient.exe |
| Full analysis: | https://app.any.run/tasks/571689bc-d96e-453d-b18a-539a84e290d1 |
| 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: | December 14, 2024, 11:04:10 |
| 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: | 0707A0BF494F25EFF994CA71635464A7 |
| SHA1: | 79C2A21EA26E9933ED7942FECDEBF8BED2C4830B |
| SHA256: | 02A3E90CB848D5E68D775F95FE214518592B809D09A1CBBBF87C058D63119655 |
| SSDEEP: | 768:x91PtKs1TfWHEvCnL+yvHxrKBfh7wWp5Fyc9Lq6hO0hPqW:6Qa+YRr2fFFb9Lq6hO0MW |
MALICIOUS
XWORM has been detected (YARA)
- YSBTK_XClient.exe (PID: 5004)
Uses Task Scheduler to run other applications
- YSBTK_XClient.exe (PID: 5004)
SUSPICIOUS
Reads the date of Windows installation
- YSBTK_XClient.exe (PID: 5004)
Reads security settings of Internet Explorer
- YSBTK_XClient.exe (PID: 5004)
The process executes via Task Scheduler
- XClient.exe (PID: 3700)
- XClient.exe (PID: 2436)
Executable content was dropped or overwritten
- YSBTK_XClient.exe (PID: 5004)
Potential Corporate Privacy Violation
- svchost.exe (PID: 2192)
INFO
Creates files or folders in the user directory
- YSBTK_XClient.exe (PID: 5004)
Reads the machine GUID from the registry
- XClient.exe (PID: 2436)
- XClient.exe (PID: 3700)
- YSBTK_XClient.exe (PID: 5004)
The process uses the downloaded file
- YSBTK_XClient.exe (PID: 5004)
Reads the computer name
- XClient.exe (PID: 2436)
- XClient.exe (PID: 3700)
- YSBTK_XClient.exe (PID: 5004)
Checks supported languages
- XClient.exe (PID: 2436)
- XClient.exe (PID: 3700)
- YSBTK_XClient.exe (PID: 5004)
Process checks computer location settings
- YSBTK_XClient.exe (PID: 5004)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| OriginalFileName: | XClient.exe |
| LegalCopyright: | |
| InternalName: | XClient.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xa23e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 2048 |
| CodeSize: | 33792 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2024:12:14 10:48:46+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Total processes
121
Monitored processes
6
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5004 | "C:\Users\admin\Desktop\YSBTK_XClient.exe" | C:\Users\admin\Desktop\YSBTK_XClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 1.0.0.0 Modules
| |||||||||||||||
| 396 | "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "XClient" /tr "C:\Users\admin\AppData\Local\XClient.exe" | C:\Windows\System32\schtasks.exe | — | YSBTK_XClient.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
| |||||||||||||||
| 624 | \??\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
| |||||||||||||||
| 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
| |||||||||||||||
| 2436 | "C:\Users\admin\AppData\Local\XClient.exe" | C:\Users\admin\AppData\Local\XClient.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3700 | "C:\Users\admin\AppData\Local\XClient.exe" | C:\Users\admin\AppData\Local\XClient.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
891
Read events
891
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5004 | YSBTK_XClient.exe | C:\Users\admin\AppData\Local\XClient.exe | executable | |
MD5:0707A0BF494F25EFF994CA71635464A7 | SHA256:02A3E90CB848D5E68D775F95FE214518592B809D09A1CBBBF87C058D63119655 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
21
DNS requests
8
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | svchost.exe | GET | 200 | 23.48.23.143:80 | 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 |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | svchost.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 |
— | — | 104.126.37.171:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | svchost.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5496 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
Waix-30149.portmap.host |
| malicious |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
— | — | Misc activity | ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .host) |