| File name: | Rundll32.exe |
| Full analysis: | https://app.any.run/tasks/da18ffaa-a960-40a3-b860-39ca0efb0e30 |
| 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 28, 2024, 18:38:53 |
| 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: | 4D2969D5D0BC17E103F3B2C94BD474BD |
| SHA1: | DEB93D68B81149D8BD3F3476D3D0A8BA06F5EEFC |
| SHA256: | 7ADE12BDEE6D826DB8DC1D743F5B48967B25EC76A80D1C2B3A64C0C2CD4A2C24 |
| SSDEEP: | 1536:4dHkwgpnOSc6GPjbrB5+p0Vr6I4fG8OZB:4tvMc6CbrWOlYOZB |
MALICIOUS
Changes the autorun value in the registry
- Rundll32.exe (PID: 5752)
XWORM has been detected (YARA)
- Rundll32.exe (PID: 5752)
Uses Task Scheduler to run other applications
- Rundll32.exe (PID: 5752)
XWORM has been detected (SURICATA)
- Rundll32.exe (PID: 5752)
Create files in the Startup directory
- Rundll32.exe (PID: 5752)
Connects to the CnC server
- Rundll32.exe (PID: 5752)
SUSPICIOUS
Reads the date of Windows installation
- Rundll32.exe (PID: 5752)
Checks for external IP
- Rundll32.exe (PID: 5752)
- svchost.exe (PID: 2192)
Executable content was dropped or overwritten
- Rundll32.exe (PID: 5752)
Potential Corporate Privacy Violation
- svchost.exe (PID: 2192)
Reads security settings of Internet Explorer
- Rundll32.exe (PID: 5752)
Contacting a server suspected of hosting an CnC
- Rundll32.exe (PID: 5752)
Connects to unusual port
- Rundll32.exe (PID: 5752)
INFO
Disables trace logs
- Rundll32.exe (PID: 5752)
Reads the computer name
- Rundll32.exe (PID: 5752)
Reads Environment values
- Rundll32.exe (PID: 5752)
Creates files or folders in the user directory
- Rundll32.exe (PID: 5752)
The process uses the downloaded file
- Rundll32.exe (PID: 5752)
Checks supported languages
- Rundll32.exe (PID: 5752)
Checks proxy server information
- Rundll32.exe (PID: 5752)
Creates files in the program directory
- Rundll32.exe (PID: 5752)
Reads the machine GUID from the registry
- Rundll32.exe (PID: 5752)
Process checks computer location settings
- Rundll32.exe (PID: 5752)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(5752) Rundll32.exe
C2mbaper-28496.portmap.host:28833
Keys
AES(<123456789>)
Options
Splitter<Xwormmm>
Sleep time3
USB drop nameXWorm V5.6
MutexC7COFI6joTtkDKNZ
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: | 2024:12:28 17:48:19+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 61440 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x10e0e |
| 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: | Rundll32.exe |
| LegalCopyright: | |
| OriginalFileName: | Rundll32.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
120
Monitored processes
4
Malicious processes
1
Suspicious processes
1
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
| |||||||||||||||
| 3736 | \??\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
| |||||||||||||||
| 4128 | "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn " " /tr "C:\ProgramData\ .exe" | C:\Windows\System32\schtasks.exe | — | Rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5752 | "C:\Users\admin\Desktop\Rundll32.exe" | C:\Users\admin\Desktop\Rundll32.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 1.0.0.0 Modules
XWorm(PID) Process(5752) Rundll32.exe C2mbaper-28496.portmap.host:28833 Keys AES(<123456789>) Options Splitter<Xwormmm> Sleep time3 USB drop nameXWorm V5.6 MutexC7COFI6joTtkDKNZ | |||||||||||||||
Total events
1 707
Read events
1 692
Write events
15
Delete events
0
Modification events
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5752) Rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Rundll32_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5752 | Rundll32.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ .lnk | binary | |
MD5:BD37CBC76C018D3D27A4B4385DEED1DC | SHA256:1E7945FB03244E13C1650F81F699B6429A4B862E9EE26099A380AE40841A4F87 | |||
| 5752 | Rundll32.exe | C:\ProgramData\ .exe | executable | |
MD5:4D2969D5D0BC17E103F3B2C94BD474BD | SHA256:7ADE12BDEE6D826DB8DC1D743F5B48967B25EC76A80D1C2B3A64C0C2CD4A2C24 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
22
DNS requests
9
Threats
41
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4024 | svchost.exe | GET | 200 | 23.48.23.166:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5752 | Rundll32.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | shared |
— | — | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.166:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4024 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | POST | 204 | 104.126.37.155:443 | https://www.bing.com/threshold/xls.aspx | 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 |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4024 | 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 |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4024 | svchost.exe | 23.48.23.166:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5752 | Rundll32.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | shared |
4712 | MoUsoCoreWorker.exe | 23.48.23.166:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4024 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
ip-api.com |
| shared |
www.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
mbaper-28496.portmap.host |
| malicious |
self.events.data.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) |
2192 | svchost.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com) |
5752 | Rundll32.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup ip-api.com |
5752 | Rundll32.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
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) |
5752 | Rundll32.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
34 ETPRO signatures available at the full report