| File name: | attachment.rtf |
| Full analysis: | https://app.any.run/tasks/1ef68c3b-435c-46d4-bd31-5c112df4afa8 |
| Verdict: | Malicious activity |
| Analysis date: | April 06, 2025, 13:25:11 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/rtf |
| File info: | Rich Text Format data, version 1 |
| MD5: | 6E968487BD9B1F2359717B734C6FF76C |
| SHA1: | 776783DB5CA3695067FC9435DC9E71EEAA1DC323 |
| SHA256: | 5A8F1E6238083F520542B639AE90D4071D361980809FA7C69311305EF9D2A191 |
| SSDEEP: | 3:gOe/GaI6vUvuvX+xRvV48vGJ/JG8vBEmH/FBd3VUVyLRBgTF/v/jXVF/v/YV/lvg:2/FQfxRvG8W/JG8ZEEkyL4yvFabv |
MALICIOUS
Unusual execution from MS Office
- WINWORD.EXE (PID: 4164)
SUSPICIOUS
No suspicious indicators.INFO
Checks proxy server information
- DWWIN.EXE (PID: 5972)
Creates files or folders in the user directory
- DWWIN.EXE (PID: 5972)
Creates files in the program directory
- DWWIN.EXE (PID: 5972)
Reads the software policy settings
- DWWIN.EXE (PID: 5972)
- slui.exe (PID: 1188)
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
136
Monitored processes
5
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1188 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4164 | "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n C:\Users\admin\AppData\Local\Temp\attachment.rtf /o "" | C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Version: 16.0.16026.20146 Modules
| |||||||||||||||
| 4180 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5972 | C:\WINDOWS\system32\dwwin.exe -x -s 3892 | C:\Windows\System32\DWWIN.EXE | WINWORD.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Error Reporting Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7840 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
5 920
Read events
5 708
Write events
206
Delete events
6
Modification events
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling |
| Operation: | write | Name: | 0 |
Value: 017012000000001000B24E9A3E02000000000000000600000000000000 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\WINWORD\4164 |
| Operation: | write | Name: | 0 |
Value: 0B0E10522A419AAB1B32468BA2F8C3269ADCAA230046C0D0FFB7F5DEE9ED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511C420D2120B770069006E0077006F00720064002E00650078006500C51620C517808004C91808323231322D44656300 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | en-US |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | de-de |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | fr-fr |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | es-es |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | it-it |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | ja-jp |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | ko-kr |
Value: 2 | |||
| (PID) Process: | (4164) WINWORD.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages |
| Operation: | write | Name: | pt-br |
Value: 2 | |||
Executable files
0
Suspicious files
9
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5972 | DWWIN.EXE | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_WINWORD.EXE_32afa92cd6dc5a41387953d68edafb73db78ecf_00000000_5ddae486-4bb9-4a71-b019-b2e93fb6e469\Report.wer | — | |
MD5:— | SHA256:— | |||
| 5972 | DWWIN.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:42AA0222D2A44C095E52EAD3315B1465 | SHA256:77F6D2268EDD62FC055D5987071954B11E72068376DEAFB65E9DB691FD5CFCD7 | |||
| 5972 | DWWIN.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:5B63C0144C61100C949E65C9B4C7B790 | SHA256:51E7A9D4403161514027724D012C19E4717FD92CC87B31049944A37B40228B8E | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres | binary | |
MD5:5C914655A7BE771B42B718BD424A3C21 | SHA256:27C914615E8A52000BC206F7DAB951260B05E9F44DAB3610A0A36CA7097E8924 | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\18D172E0-7438-46C3-A06A-7D593B9BB19C | xml | |
MD5:F1C705106C8ADC7B3A8430C6E9079FF5 | SHA256:7DD3D5C19B7998EDC139871E565CA7E5B7CE0E98F91DCCE4C740B8D9178A26CE | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Word\~WRS{F4505A09-A16B-4D7F-9B14-945AFB0E0E75}.tmp | binary | |
MD5:830FBF83999E052538EAF156AB6ECB17 | SHA256:D5098A2CEAE815DB29CD53C76F85240C95DC4D2E3FEDDD71D628617064C29869 | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bin | text | |
MD5:CC90D669144261B198DEAD45AA266572 | SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899 | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin | text | |
MD5:15FFC4C33E1518493A43315D10453BC3 | SHA256:BF1E6D3FC8111F00031876DEC6D0BACD05A428A6B64F9F40A72BDA60DAD3FE67 | |||
| 4164 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~$tachment.rtf | binary | |
MD5:A1E3838B8DACE8D8A9416F335F404568 | SHA256:75A862466F3AE17BA16BCC2E778C6256ADEF341550543C3487898EB3438CAC10 | |||
| 5972 | DWWIN.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:5E73217D633BEB4D74962CE4CB0779EE | SHA256:DA1F68697FFCC506D69C9B550464B08328D2DA7BF5A6AED53902496AB0D38EC2 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
25
DNS requests
19
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.216.77.31:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5972 | DWWIN.EXE | GET | 200 | 23.216.77.13:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5972 | DWWIN.EXE | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7700 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7700 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | 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 |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 23.216.77.31:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4164 | WINWORD.EXE | 52.109.28.46:443 | officeclient.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | GB | whitelisted |
4164 | WINWORD.EXE | 23.48.23.18:443 | omex.cdn.office.net | Akamai International B.V. | DE | whitelisted |
4164 | WINWORD.EXE | 52.123.128.14:443 | ecs.office.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3216 | svchost.exe | 20.7.2.167:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
— | — | 40.126.32.76:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
omex.cdn.office.net |
| whitelisted |
ecs.office.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
watson.events.data.microsoft.com |
| whitelisted |