| File name: | 03703538020f226e3a93c3e4bc98a9e72c3766d1.dll |
| Full analysis: | https://app.any.run/tasks/c9c4beca-d8fd-4a70-ae8c-41e9c369a33c |
| Verdict: | Malicious activity |
| Analysis date: | November 08, 2024, 15:44:53 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, 10 sections |
| MD5: | 3C7810724BE82752B7403F531B2FFA96 |
| SHA1: | 03703538020F226E3A93C3E4BC98A9E72C3766D1 |
| SHA256: | 10FC720A537810EB0491D795E54F8C97D4B4FB2D6AC863DE2E628FDF2FFAE892 |
| SSDEEP: | 196608:XLEIfVW0rsq4aK7F85gvYQhVF7dfdIJUxTSBIQ:Vaq9K7e5gvYQhVz1Iex0 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executes application which crashes
- rundll32.exe (PID: 6392)
Sets XML DOM element text (SCRIPT)
- splwow64.exe (PID: 3104)
There is functionality for communication over UDP network (YARA)
- rundll32.exe (PID: 6392)
There is functionality for taking screenshot (YARA)
- rundll32.exe (PID: 6392)
INFO
Reads security settings of Internet Explorer
- splwow64.exe (PID: 3104)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:19 22:22:17+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, DLL, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 17218560 |
| InitializedDataSize: | 9776640 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1e04d3d |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Total processes
133
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3104 | C:\WINDOWS\splwow64.exe 8192 | C:\Windows\splwow64.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Print driver host for applications Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6172 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6392 -s 968 | C:\Windows\SysWOW64\WerFault.exe | rundll32.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6392 | "C:\WINDOWS\SysWOW64\rundll32.exe" C:\Users\admin\AppData\Local\Temp\03703538020f226e3a93c3e4bc98a9e72c3766d1.dll, #1 | C:\Windows\SysWOW64\rundll32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 3221226525 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6996 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6392 -s 920 | C:\Windows\SysWOW64\WerFault.exe | rundll32.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
6 719
Read events
6 718
Write events
1
Delete events
0
Modification events
| (PID) Process: | (3104) splwow64.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Script\Settings\Telemetry\splwow64.exe |
| Operation: | write | Name: | JScriptSetScriptStateStarted |
Value: B9E7080000000000 | |||
Executable files
0
Suspicious files
8
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6172 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_3f2f4bfc420fd56cba823c7c69daac385f1a193_67c333ae_fd48d246-c1ea-4166-904f-8a4b79fce1b1\Report.wer | — | |
MD5:— | SHA256:— | |||
| 6996 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_15646f54945aba3e82e21ce0a925ba5d42d2ef_67c333ae_66eb0fce-640a-4ec8-9d5e-233c871a48d9\Report.wer | — | |
MD5:— | SHA256:— | |||
| 6172 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.6392.dmp | binary | |
MD5:D7924BFE3568C2928ED0825CA2A085E3 | SHA256:5963C85C998D730A9D760C61309F69619E9B0DCF62E57AFA78291AD480DB78BA | |||
| 6172 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE | der | |
MD5:F0CF5B1794ECA7CD73F9C020DAAB8EF2 | SHA256:2AF00EDCE7EF3266897E52DC81E8DE3B7A079028C0F1F96EAFF9E38AD342F617 | |||
| 6996 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe(1).6392.dmp | dmp | |
MD5:D2DA2ECA18A48DAC49DCA81529564742 | SHA256:95CD460A702F0AAE03AEF9C0BE80C32932165A5CC4DB8FC98BFB9E40E4D3DB0C | |||
| 6172 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WEREC1E.tmp.dmp | binary | |
MD5:25613EEDB36E12E08A53696526B8BA0A | SHA256:FD510041D4A98539DE0F5B7EA621EA037F990927566258626FA64FEBC8BCF701 | |||
| 6172 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WEREE04.tmp.xml | xml | |
MD5:545E6A8D46E21FC0F137427413573A2B | SHA256:0EDF7A60ED1024D23C17B67CFE9B5F13A7C79BA27B0F4C36F91CD724C95A5603 | |||
| 6172 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:0892571A4DEBD9F22671F7B84899A8AD | SHA256:A6BA5F91F4229D36682276BF174AB8E5A45495948C9B747CBF8F2559380D0447 | |||
| 6172 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERED57.tmp.WERInternalMetadata.xml | xml | |
MD5:B907F615B1229611DD7E9667B865E08D | SHA256:FB46398DDCE8D575B57A420C4CE6593DE8C4EF0B62B9E919B805AD6256F9A7EA | |||
| 6172 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:6245A9A8AB4D5042D603383FED082560 | SHA256:3218E01740698C340E5EE02ACB208D1139D590A6F70FCCF47ED8C5693B1C7676 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
41
DNS requests
23
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.164.49:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1880 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6160 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6160 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6676 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
6172 | WerFault.exe | GET | 200 | 23.48.23.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6172 | WerFault.exe | GET | 200 | 23.218.209.163:80 | 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 |
|---|---|---|---|---|---|---|
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 2.16.164.49:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4360 | SearchApp.exe | 2.23.209.177:443 | www.bing.com | Akamai International B.V. | GB | whitelisted |
— | — | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
1880 | svchost.exe | 40.126.32.138:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1880 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
th.bing.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |