| File name: | wushowhide.diagcab |
| Full analysis: | https://app.any.run/tasks/bf55f7b0-9a75-4737-b357-3b02563c1854 |
| Verdict: | Malicious activity |
| Analysis date: | July 19, 2024, 04:06:02 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/vnd.ms-cab-compressed |
| File info: | Microsoft Cabinet archive data, Diagnostic, 39818 bytes, 22 files, at 0x44 +A "CL_Windows_HU.ps1" +A "DiagPackage.cat", flags 0x4, number 1, extra bytes 20 in head, 6 datablocks, 0x1 compression |
| MD5: | 8509B9CB62EB87580F39809F75F5B7E7 |
| SHA1: | 7E2A669E3542303C275D32CF2BD1D4922B1AB204 |
| SHA256: | 8723B97B8E4EDE3B5B7FD0BA129EDFBC113A4DB329609F0EAFFE24E6A37E019E |
| SSDEEP: | 1536:3eXmPZMvDQG4jDoH+0qpvl0f5MYtbJVcd1AOaIclXWbtL:3rMvMG4/oe04vlC5TyQOaI2XWN |
MALICIOUS
No malicious indicators.SUSPICIOUS
Uses RUNDLL32.EXE to load library
- WinRAR.exe (PID: 3380)
Reads settings of System Certificates
- rundll32.exe (PID: 3200)
Reads security settings of Internet Explorer
- WinRAR.exe (PID: 3380)
Start notepad (likely ransomware note)
- WinRAR.exe (PID: 3380)
INFO
Reads security settings of Internet Explorer
- rundll32.exe (PID: 3200)
Reads the software policy settings
- rundll32.exe (PID: 3200)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .cab | | | Microsoft Cabinet Archive (100) |
|---|
Total processes
41
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2732 | "C:\Windows\System32\notepad.exe" "C:\Users\admin\AppData\Local\Temp\Rar$DIa3380.31207\rc_hideupdates.psd1" | C:\Windows\System32\notepad.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3200 | "C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCAT C:\Users\admin\AppData\Local\Temp\Rar$DIa3380.31777\DiagPackage.cat | C:\Windows\System32\rundll32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3296 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3380 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\wushowhide.diagcab.cab | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.91.0 Modules
| |||||||||||||||
Total events
6 945
Read events
6 907
Write events
38
Delete events
0
Modification events
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\wushowhide.diagcab.cab | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3380) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
Executable files
0
Suspicious files
1
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3380 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa3380.31207\rc_hideupdates.psd1 | text | |
MD5:8C1AF0FE1FE3817D3F24BD98D2CCD371 | SHA256:DA9092F695806ED513DB3BD428ADA1A0C5EA2AAB69642C20D62391F985E1E905 | |||
| 3380 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa3380.31777\DiagPackage.cat | cat | |
MD5:AE64504F8A2EACDF0D0BBD78CADE6334 | SHA256:952A79F951117150941FDEE25510D5F009B4C87E5048B33C8365F756BB3D05F0 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
12
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 199.232.210.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | unknown | — | — | whitelisted |
1372 | svchost.exe | GET | 200 | 23.32.238.112:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1060 | svchost.exe | GET | 304 | 199.232.210.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a9f83325acc8ca75 | unknown | — | — | whitelisted |
1372 | svchost.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 | 192.168.100.255:137 | — | — | — | whitelisted |
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
2564 | svchost.exe | 239.255.255.250:3702 | — | — | — | whitelisted |
1372 | svchost.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1372 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
1372 | svchost.exe | 199.232.210.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
1372 | svchost.exe | 23.32.238.112:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
1372 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
1060 | svchost.exe | 199.232.210.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |