| File name: | WFS.exe |
| Full analysis: | https://app.any.run/tasks/5af717ae-34b7-4095-99d9-14392eeb04d8 |
| Verdict: | Malicious activity |
| Analysis date: | September 12, 2024, 20:30:45 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows |
| MD5: | 0027EBE13C0814FDB0389D2A9182AA5A |
| SHA1: | AF8DECB4D93C8B6A9C38781158B5CDCAECB5ED90 |
| SHA256: | C5E2440DD76B81B83A4E25B1B007F5005C37467F20CE5241B15A66D9A4A27A73 |
| SSDEEP: | 12288:i/N4m4LZhRQ1kLfudLVNI3ZhB7/hYWu9acSnXpuuJx584+XpuuJL7hpiVVEdh30D:i/2ZikTG8phYZM7584E9ZNf |
MALICIOUS
No malicious indicators.SUSPICIOUS
Write to the desktop.ini file (may be used to cloak folders)
- WFS.exe (PID: 1568)
Process drops legitimate windows executable
- WFS.exe (PID: 1568)
Detected use of alternative data streams (AltDS)
- WFS.exe (PID: 1568)
Starts a Microsoft application from unusual location
- WFS.exe (PID: 1568)
Executes as Windows Service
- FXSSVC.exe (PID: 7052)
Reads the Windows owner or organization settings
- WFS.exe (PID: 1568)
INFO
Reads the computer name
- WFS.exe (PID: 1568)
Creates files in the program directory
- FXSSVC.exe (PID: 7052)
Checks supported languages
- WFS.exe (PID: 1568)
Disables trace logs
- FXSSVC.exe (PID: 7052)
Create files in a temporary directory
- WFS.exe (PID: 1568)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 1983:09:09 00:32:50+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.2 |
| CodeSize: | 476160 |
| InitializedDataSize: | 493568 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6e520 |
| OSVersion: | 10 |
| ImageVersion: | 10 |
| SubsystemVersion: | 10 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 10.0.19041.4355 |
| ProductVersionNumber: | 10.0.19041.4355 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Windows Fax and Scan |
| FileVersion: | 10.0.19041.4355 (WinBuild.160101.0800) |
| InternalName: | ClientConsole.EXE |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | ClientConsole.EXE |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.19041.4355 |
Total processes
123
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1568 | "C:\Users\admin\Desktop\WFS.exe" | C:\Users\admin\Desktop\WFS.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Windows Fax and Scan Version: 10.0.19041.4355 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7052 | C:\WINDOWS\system32\fxssvc.exe | C:\Windows\System32\FXSSVC.exe | — | services.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Fax Service Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
1 020
Read events
1 003
Write events
16
Delete events
1
Modification events
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax |
| Operation: | write | Name: | RedirectionGuard |
Value: 1 | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts |
| Operation: | write | Name: | Password |
Value: 00 | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts |
| Operation: | delete value | Name: | Password |
Value: | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts |
| Operation: | write | Name: | Server |
Value: | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts |
| Operation: | write | Name: | From |
Value: | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts |
| Operation: | write | Name: | User |
Value: | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Security |
| Operation: | write | Name: | Descriptor |
Value: 010004805C000000680000000000000014000000020048000300000000001800E7020E000102000000000005200000002002000000001400030002000101000000000001000000000000140027020200010100000000000504000000010100000000000514000000010100000000000514000000 | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Outbound Routing\Groups\<All devices> |
| Operation: | write | Name: | Devices |
Value: | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Outbound Routing\Rules\0:0 |
| Operation: | write | Name: | CountryCode |
Value: 0 | |||
| (PID) Process: | (7052) FXSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Outbound Routing\Rules\0:0 |
| Operation: | write | Name: | AreaCode |
Value: 0 | |||
Executable files
1
Suspicious files
3
Text files
3
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1568 | WFS.exe | C:\Users\admin\Documents\Scanned Documents\Welcome Scan.jpg:3or4kl4x13tuuug3Byamue2s4b | — | |
MD5:— | SHA256:— | |||
| 1568 | WFS.exe | C:\Users\admin\AppData\Local\Temp\MSFaxConsoleTempPreview-#00000620ad95d71d.tif | binary | |
MD5:54EB5F0F7F114FA734BBA5502978DFA3 | SHA256:4A4C0268526599811E8CA91A50C0B0F4511A259A4AAFE3F65C174BC4D026F964 | |||
| 1568 | WFS.exe | C:\Users\admin\Documents\Fax\Drafts\desktop.ini | ini | |
MD5:049287DAE44828AE84F1F63806E68689 | SHA256:EEF82D186B097ABD1A114E1BD2DB82EDCEB4AE9437DFE7C7E11ED4711A7151D1 | |||
| 1568 | WFS.exe | C:\Users\admin\Documents\Scanned Documents\Welcome Scan.jpg | image | |
MD5:73D4281E46A68222934403627E5B4E19 | SHA256:AAC4AC970EC47CD95DC7C65D7D38D29C1F948BE24D5DAD1D5AA21053125367C7 | |||
| 1568 | WFS.exe | C:\Users\admin\Documents\Scanned Documents\desktop.ini | text | |
MD5:88CC9559EF771AE2D5F1879721226E8A | SHA256:FC1162993DE676F59BEFF2FB6A315081755C7500CD3CA729E691AEA0EB41B516 | |||
| 1568 | WFS.exe | C:\Users\admin\Documents\Fax\Inbox\desktop.ini | ini | |
MD5:78123470C02CA0DB68A5E9F355503B1A | SHA256:E07BD44303DEF6DA0204F92CDDCDAA6A44A393CF8E713C617FC66640486DA4B8 | |||
| 1568 | WFS.exe | C:\Users\admin\Documents\Fax\Inbox\WelcomeFax.tif | binary | |
MD5:54EB5F0F7F114FA734BBA5502978DFA3 | SHA256:4A4C0268526599811E8CA91A50C0B0F4511A259A4AAFE3F65C174BC4D026F964 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
18
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2248 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4760 | RUXIMICS.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2120 | 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2248 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4760 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2120 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2248 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4760 | RUXIMICS.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2120 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2120 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |