| File name: | cve-2025-21298-poc.rtf |
| Full analysis: | https://app.any.run/tasks/169ffd2f-fd11-469e-a444-5364923b509e |
| Verdict: | Malicious activity |
| Analysis date: | January 28, 2025, 08:03:57 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/rtf |
| File info: | Rich Text Format data, version 1 |
| MD5: | 9D68678AEEE52684BBE3C983222B1DA3 |
| SHA1: | BA3AE643E20A26ACA550B6888D9107E5D434959C |
| SHA256: | 93EF57B81021BE174E33B5B48C1AED525D2785C3607AEB540508BB3713690179 |
| SSDEEP: | 3:gOVAGaI6vUvuvX+xReRQGJ/ecPBEmrd3V8CLRBgTfVdVDVfVdVwFt3dXVBYv:9AFQfxR4F/jExCL40Yv |
MALICIOUS
Unusual execution from MS Office
- WINWORD.EXE (PID: 448)
SUSPICIOUS
No suspicious indicators.INFO
Creates files in the program directory
- DWWIN.EXE (PID: 6332)
Checks proxy server information
- DWWIN.EXE (PID: 6332)
Reads the software policy settings
- DWWIN.EXE (PID: 6332)
Reads Microsoft Office registry keys
- DWWIN.EXE (PID: 6332)
Manual execution by a user
- notepad++.exe (PID: 7120)
- WinRAR.exe (PID: 6832)
- WinRAR.exe (PID: 6588)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rtf | | | Rich Text Format (100) |
|---|
Total processes
139
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 448 | "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n C:\Users\admin\AppData\Local\Temp\cve-2025-21298-poc.rtf /o "" | C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 4 Version: 16.0.16026.20146 Modules
| |||||||||||||||
| 5872 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6332 | C:\WINDOWS\system32\dwwin.exe -x -s 3852 | C:\Windows\System32\DWWIN.EXE | WINWORD.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Error Reporting Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6588 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\cve-2025-21298-poc.zip" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 1 Version: 5.91.0 Modules
| |||||||||||||||
| 6832 | "C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\cve-2025-21298-poc.zip" "?\" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 1 Version: 5.91.0 Modules
| |||||||||||||||
| 7120 | "C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\Desktop\cve-2025-21298-poc.rtf" | C:\Program Files\Notepad++\notepad++.exe | explorer.exe | ||||||||||||
User: admin Company: Don HO don.h@free.fr Integrity Level: MEDIUM Description: Notepad++ : a free (GNU) source code editor Version: 7.91 Modules
| |||||||||||||||
Total events
8 951
Read events
8 728
Write events
217
Delete events
6
Modification events
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common |
| Operation: | write | Name: | SessionId |
Value: F6D4CA1FAD15F8409C845C3998F3AE26 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\GracefulExit\WINWORD\2200 |
| Operation: | delete value | Name: | 0 |
Value: ซ鴐㝅娴Ꝇ꿹�䙔�닜樁င$驄摽鶲
ީ湕湫睯쥮Ȇ∢්ł¢ᣂ숁씀褎예츏릺캲ǭ砃㐶ᇅᆘዒ看椀渀眀漀爀搀⸀攀砀攀씀‖ៅ肀줄࠘㈲㈱䐭捥 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\GracefulExit\WINWORD\2200 |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\WINWORD\448 |
| Operation: | write | Name: | 0 |
Value: 0B0E10A3567C7CB4B44C4FB0F4585D4497FDA82300469CF1FA9FB3ABDCED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C50E8908C91003783634C511C003D2120B770069006E0077006F00720064002E00650078006500C51620C517808004C91808323231322D44656300 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | op* |
Value: 6F702A00C00100000400000000000000C2EB94345B71DB018C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Internet\WebServiceCache\AllUsers\officeclient.microsoft.com\config16--lcid=1033&syslcid=1033&uilcid=1033&build=16.0.16026&crev=3\0 |
| Operation: | write | Name: | FilePath |
Value: officeclient.microsoft.com\12B1325A-0608-4172-B53B-216693EE56F7 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Internet\WebServiceCache\AllUsers\officeclient.microsoft.com\config16--lcid=1033&syslcid=1033&uilcid=1033&build=16.0.16026&crev=3\0 |
| Operation: | write | Name: | StartDate |
Value: F090A5345B71DB01 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Internet\WebServiceCache\AllUsers\officeclient.microsoft.com\config16--lcid=1033&syslcid=1033&uilcid=1033&build=16.0.16026&crev=3\0 |
| Operation: | write | Name: | EndDate |
Value: F0500F5F2472DB01 | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\Resiliency\StartupItems |
| Operation: | delete value | Name: | op* |
Value: 灯*ǀ | |||
| (PID) Process: | (448) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs |
| Operation: | write | Name: | CountryCode |
Value: std::wstring|US | |||
Executable files
0
Suspicious files
11
Text files
8
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6332 | DWWIN.EXE | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_WINWORD.EXE_32afa92cd6dc5a41387953d68edafb73db78ecf_00000000_dcc9d57a-5023-4036-ae2f-d3cb8edafdfb\Report.wer | — | |
MD5:— | SHA256:— | |||
| 448 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bin | text | |
MD5:CC90D669144261B198DEAD45AA266572 | SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899 | |||
| 448 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\12B1325A-0608-4172-B53B-216693EE56F7 | xml | |
MD5:F191E3CD0B7A75BD06487F9C1B79F728 | SHA256:4265CBE87267849B6D1EB37789384AE1498A44556DA904D5A1E0FB93F7A9DCEE | |||
| 448 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | binary | |
MD5:C869B9CAB5EFD3A501A801361CD29E8C | SHA256:51BC3C5D788E7B31EECD15D79E46E365FD8B535BD68E098BA68DD4A583EB57AA | |||
| 6332 | DWWIN.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:680B0331A3CC8FCCE16367586EC7A721 | SHA256:19F1B5D2C7F62663C14D97578411DC610E5F33E6CE4165977314442435F15305 | |||
| 6332 | DWWIN.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:C14A94CCB9BE73874B484D502C583BBE | SHA256:69F070FED2359609B07F55DD4EF0D8AB1E0AC55BECBE362EC7497BBB01CCBF5E | |||
| 7120 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\stylers.xml | xml | |
MD5:312281C4126FA897EF21A7E8CCB8D495 | SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90 | |||
| 6332 | DWWIN.EXE | C:\ProgramData\Microsoft\Windows\WER\Temp\WER7EC8.tmp.WERInternalMetadata.xml | binary | |
MD5:8FC972EF441B0E8CAFE7CA74966C2ACC | SHA256:300B7903459BB2C128EEC9324445651F6FA0ED0ADBD25DF529ADDC8A2F3E91A6 | |||
| 448 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin | text | |
MD5:3B2CB41DCA3456D1804982C4F2B21815 | SHA256:E429AC026DAD5F12C570B8F9DABEE8B0EBCE253124DA843EC5B44B3CB5884ED0 | |||
| 448 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres | binary | |
MD5:5B8AF3C52A844C85291F91EDA25746AC | SHA256:405D277644E54C0F58D8D14ABC5AE4106D8D17C5E00706EA2A3B693A75C60A6A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
37
DNS requests
26
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3884 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6332 | DWWIN.EXE | GET | 200 | 2.16.164.106:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
3884 | svchost.exe | GET | 200 | 2.16.164.106:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6700 | backgroundTaskHost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
6332 | DWWIN.EXE | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1544 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
5064 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1544 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.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 |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3884 | svchost.exe | 2.16.164.106:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
3884 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4724 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
448 | WINWORD.EXE | 52.109.89.18:443 | officeclient.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
448 | WINWORD.EXE | 52.113.194.132:443 | ecs.office.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
448 | WINWORD.EXE | 2.22.242.130:443 | omex.cdn.office.net | Akamai International B.V. | DE | whitelisted |
6332 | DWWIN.EXE | 52.182.143.212:443 | watson.events.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
ecs.office.com |
| whitelisted |
omex.cdn.office.net |
| whitelisted |
watson.events.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
Threats
Process | Message |
|---|---|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\SciLexer.dll
|
notepad++.exe | ED255D9151912E40DF048A56288E969A8D0DAFA3
|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\updater\gup.exe
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | VerifyLibrary: error while getting certificate informations
|