| File name: | efsefsfesfnt.exe |
| Full analysis: | https://app.any.run/tasks/fb261dfa-3aa1-49c3-9150-696b392486fd |
| 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 13, 2024, 18:41:13 |
| 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: | D1AE7B20BD3DA8FCE483BF5488C8B973 |
| SHA1: | A6973AD9867007C98715B91279F9CCBBEEF37A5E |
| SHA256: | 3DB5E9C628703F42C947299A55947AF6F3FD5E10566C397A3E16742D43B230B9 |
| SSDEEP: | 1536:2CvoLcSM+RIba+b6DECsBK7jvWO29N6uo51a:2Cjba+b6DLrWO+N6BO |
MALICIOUS
Changes the autorun value in the registry
- efsefsfesfnt.exe (PID: 1616)
Create files in the Startup directory
- efsefsfesfnt.exe (PID: 1616)
Connects to the CnC server
- efsefsfesfnt.exe (PID: 1616)
XWORM has been detected (YARA)
- efsefsfesfnt.exe (PID: 1616)
XWORM has been detected (SURICATA)
- efsefsfesfnt.exe (PID: 1616)
SUSPICIOUS
The process checks if it is being run in the virtual environment
- efsefsfesfnt.exe (PID: 1616)
Executable content was dropped or overwritten
- efsefsfesfnt.exe (PID: 1616)
Connects to unusual port
- efsefsfesfnt.exe (PID: 1616)
Contacting a server suspected of hosting an CnC
- efsefsfesfnt.exe (PID: 1616)
INFO
Creates files or folders in the user directory
- efsefsfesfnt.exe (PID: 1616)
Checks supported languages
- efsefsfesfnt.exe (PID: 1616)
Reads the machine GUID from the registry
- efsefsfesfnt.exe (PID: 1616)
Reads the computer name
- efsefsfesfnt.exe (PID: 1616)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(1616) efsefsfesfnt.exe
Options
MutexTO2zDm0jlv9rfrv4
USB drop nameXWorm V5.6
Sleep time3
Splitter<Xwormmm>
Keys
AES<123456789>
C2192.168.12.252:2443
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: | 2024:12:13 18:37:26+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 59904 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1099e |
| 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: | efsefsfesfnt.exe |
| LegalCopyright: | |
| OriginalFileName: | efsefsfesfnt.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
118
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1616 | "C:\Users\admin\Desktop\efsefsfesfnt.exe" | C:\Users\admin\Desktop\efsefsfesfnt.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 1.0.0.0 Modules
XWorm(PID) Process(1616) efsefsfesfnt.exe Options MutexTO2zDm0jlv9rfrv4 USB drop nameXWorm V5.6 Sleep time3 Splitter<Xwormmm> Keys AES<123456789> C2192.168.12.252:2443 | |||||||||||||||
Total events
751
Read events
750
Write events
1
Delete events
0
Modification events
| (PID) Process: | (1616) efsefsfesfnt.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | test |
Value: C:\Users\admin\AppData\Roaming\test.exe | |||
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1616 | efsefsfesfnt.exe | C:\Users\admin\AppData\Roaming\test.exe | executable | |
MD5:D1AE7B20BD3DA8FCE483BF5488C8B973 | SHA256:3DB5E9C628703F42C947299A55947AF6F3FD5E10566C397A3E16742D43B230B9 | |||
| 1616 | efsefsfesfnt.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\test.lnk | binary | |
MD5:07546FFE0DC1293297BAFBAB0271FA9E | SHA256:74A67F7EFFD44DF7023686420981BDDF572CA76F781F766B14CE1FFB621DEF59 | |||
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
7
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | 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 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | POST | 204 | 104.126.37.161:443 | 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 |
|---|---|---|---|---|---|---|
5564 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 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 |
— | — | 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 |
4712 | MoUsoCoreWorker.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3976 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5064 | SearchApp.exe | 104.126.37.186:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
1616 | efsefsfesfnt.exe | 192.168.12.252:2443 | — | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
— | — | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
1 ETPRO signatures available at the full report