| File name: | YSBTK_XClient.exe |
| Full analysis: | https://app.any.run/tasks/acfa6fd4-9962-472c-a34c-6a2cd0d59f6b |
| 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, 10:58:15 |
| 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
Uses Task Scheduler to run other applications
- YSBTK_XClient.exe (PID: 6056)
XWORM has been detected (YARA)
- YSBTK_XClient.exe (PID: 6056)
XWORM has been detected (SURICATA)
- YSBTK_XClient.exe (PID: 6056)
Connects to the CnC server
- YSBTK_XClient.exe (PID: 6056)
SUSPICIOUS
Executable content was dropped or overwritten
- YSBTK_XClient.exe (PID: 6056)
Reads security settings of Internet Explorer
- YSBTK_XClient.exe (PID: 6056)
Reads the date of Windows installation
- YSBTK_XClient.exe (PID: 6056)
Potential Corporate Privacy Violation
- svchost.exe (PID: 2192)
Connects to unusual port
- YSBTK_XClient.exe (PID: 6056)
The process executes via Task Scheduler
- XClient.exe (PID: 4980)
- XClient.exe (PID: 5732)
Contacting a server suspected of hosting an CnC
- YSBTK_XClient.exe (PID: 6056)
INFO
Reads the computer name
- YSBTK_XClient.exe (PID: 6056)
- XClient.exe (PID: 5732)
- XClient.exe (PID: 4980)
Checks supported languages
- YSBTK_XClient.exe (PID: 6056)
- XClient.exe (PID: 4980)
- XClient.exe (PID: 5732)
Creates files or folders in the user directory
- YSBTK_XClient.exe (PID: 6056)
The process uses the downloaded file
- YSBTK_XClient.exe (PID: 6056)
Reads the machine GUID from the registry
- YSBTK_XClient.exe (PID: 6056)
- XClient.exe (PID: 5732)
- XClient.exe (PID: 4980)
Process checks computer location settings
- YSBTK_XClient.exe (PID: 6056)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(6056) YSBTK_XClient.exe
C2Waix-30149.portmap.host:30149
Keys
AES<123456789>
Options
Splitter<Xwormmm>
Sleep time3
USB drop nameXWorm V5.2
MutexbmeY63dyzlkWcH8J
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: | 2024:12:14 10:48:46+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 33792 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xa23e |
| 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: | XClient.exe |
| LegalCopyright: | |
| OriginalFileName: | XClient.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
121
Monitored processes
6
Malicious processes
2
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
| |||||||||||||||
| 2212 | "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
| |||||||||||||||
| 3152 | \??\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
| |||||||||||||||
| 4980 | "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
| |||||||||||||||
| 5732 | "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
| |||||||||||||||
| 6056 | "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
XWorm(PID) Process(6056) YSBTK_XClient.exe C2Waix-30149.portmap.host:30149 Keys AES<123456789> Options Splitter<Xwormmm> Sleep time3 USB drop nameXWorm V5.2 MutexbmeY63dyzlkWcH8J | |||||||||||||||
Total events
1 291
Read events
1 291
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 | |
|---|---|---|---|---|
| 6056 | 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
2
TCP/UDP connections
20
DNS requests
7
Threats
17
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.16.164.49:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | 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 |
|---|---|---|---|---|---|---|
1488 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 2.23.209.140:443 | — | Akamai International B.V. | GB | unknown |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4712 | MoUsoCoreWorker.exe | 2.16.164.49:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3976 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6056 | YSBTK_XClient.exe | 193.161.193.99:30149 | Waix-30149.portmap.host | OOO Bitree Networks | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.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 |
|---|---|---|---|
2192 | svchost.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
2192 | svchost.exe | Misc activity | ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .host) |
6056 | YSBTK_XClient.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
6056 | YSBTK_XClient.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
13 ETPRO signatures available at the full report