| URL: | https://s3.jcloud.sjtu.edu.cn/331a60d07b0a4ac5b121dba66bf2b863-files/account_1/attachments/8538217/%E4%BF%A1%E7%94%A8%E9%A3%8E%E9%99%A9%E7%AE%A1%E7%90%86lecture2.pdf?response-content-disposition=attachment;%20filename=%22______lecture2.pdf%22;%20filename*=utf-8%27%27%E4%BF%A1%E7%94%A8%E9%A3%8E%E9%99%A9%E8%AE%A1%E9%87%8Flecture2.pdf&x-amz-algorithm=aws4-hmac-sha256&x-amz-credential=6ff09c1934f74c46ac1e2f9d9165ba8c/20240321/us-east-1/s3/aws4_request&x-amz-date=20240321t013631z&x-amz-expires=3600&x-amz-signedheaders=host&x-amz-signature=a75169b574624b1dc6fb257164b0624ae21768e29615882d9ffa276b27b162e4 |
| Full analysis: | https://app.any.run/tasks/ebc02ffa-3474-49b7-9c80-97d04cc5beb1 |
| Verdict: | Malicious activity |
| Analysis date: | March 21, 2024, 03:02:43 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | 6B0F1ECF7484832B3C22CBB246CF26F6 |
| SHA1: | ACDFEEA8BA3A5244C81FBCA7306EF7CC41BFF88C |
| SHA256: | 6801DFA1DD7B9D40981B79F6FE6B34BF605356405D1558808DD2D66C1B389D28 |
| SSDEEP: | 12:2awWt0mWfgRgpZxiTcCBkyyJWOSi+ChAJI41M5QLUJSSH0Y:2tMDWfg2RK/2Q9J91MSYz |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2572 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3936 CREDAT:267521 /prefetch:2 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 3936 | "C:\Program Files\Internet Explorer\iexplore.exe" "https://s3.jcloud.sjtu.edu.cn/331a60d07b0a4ac5b121dba66bf2b863-files/account_1/attachments/8538217/%E4%BF%A1%E7%94%A8%E9%A3%8E%E9%99%A9%E7%AE%A1%E7%90%86lecture2.pdf?response-content-disposition=attachment;%20filename=%22______lecture2.pdf%22;%20filename*=utf-8%27%27%E4%BF%A1%E7%94%A8%E9%A3%8E%E9%99%A9%E8%AE%A1%E9%87%8Flecture2.pdf&x-amz-algorithm=aws4-hmac-sha256&x-amz-credential=6ff09c1934f74c46ac1e2f9d9165ba8c/20240321/us-east-1/s3/aws4_request&x-amz-date=20240321t013631z&x-amz-expires=3600&x-amz-signedheaders=host&x-amz-signature=a75169b574624b1dc6fb257164b0624ae21768e29615882d9ffa276b27b162e4" | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPDaysSinceLastAutoMigration |
Value: 1 | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchLowDateTime |
Value: | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchHighDateTime |
Value: 31095612 | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateLowDateTime |
Value: | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 31095612 | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (3936) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3936 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\favicon[1].ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:1B3A861FB8AD85A44DEB5E4E19269CE1 | SHA256:F59F42AF3D014CB1F3738F0F6AB8634DD6A18CEB054A75D5A4B83637C8443B77 | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\favicon[1].ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 2572 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_477B6851A9C658AD696F733A44332855 | der | |
MD5:E9207D1DE43F759F5A59B924997383D2 | SHA256:F5BD6F9E5FF771A3F9FBADBC32FF63D4069D375ABF5B0C5E0878023E08F6844C | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Y83D9UF7.txt | text | |
MD5:BFA9B5EB2C94F7E711CD38C7E9901B59 | SHA256:2C002EAAFC8F305964F34ACD9D1E2C3B5ECD81A3B971C8FC8F8D60CF016B4240 | |||
| 2572 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_89854CA6A0F0936A4D2ECA78845CEA25 | der | |
MD5:0AD25FC0D477755B7EF40DBFC3FF505A | SHA256:B165F423699EA451FFA80C5CADF04EBE2774175978B65F2022F874335BEFE950 | |||
| 2572 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_477B6851A9C658AD696F733A44332855 | binary | |
MD5:241ACD232FFF5B19D551757C41641833 | SHA256:ED9D7E0AFA04C23D4DAFC1A6F7FDF30CEFE321F4C4583D80E6B2DD05F734E7E0 | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53 | der | |
MD5:ABC8BD25A287A6D4F0DB456AB8F9F44C | SHA256:B93132EB8760AA06E9445F55717BAE67DF70935FF16E079E41A4FC9CFE1A7EE0 | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 3936 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776 | binary | |
MD5:958A05B34A48684E3C1409E3457831A2 | SHA256:308FEDB5EF66D69D37A18B550B0347D68B2F1E2CC4637D5D88C2584CAC03F64E | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3936 | iexplore.exe | GET | 304 | 2.22.242.122:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?76ad697231f9b13b | unknown | — | — | unknown |
3936 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAzlnDD9eoNTLi0BRrMy%2BWU%3D | unknown | binary | 313 b | unknown |
2572 | iexplore.exe | GET | 200 | 172.64.149.23:80 | http://ocsp.comodoca.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRTtU9uFqgVGHhJwXZyWCNXmVR5ngQUoBEKIz6W8Qfs4q8p74Klf9AwpLQCEFZnHQTqT5lMbxCBR1nSdZQ%3D | unknown | binary | 1.42 Kb | unknown |
2572 | iexplore.exe | GET | 200 | 172.64.149.23:80 | http://ocsp.usertrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSr83eyJy3njhjVpn5bEpfc6MXawQQUOuEJhtTPGcKWdnRJdtzgNcZjY5oCEBQh1tv%2F8Hem%2BLMLun4drv4%3D | unknown | binary | 978 b | unknown |
2572 | iexplore.exe | GET | 200 | 150.139.142.18:80 | http://ocsp.trust-provider.cn/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBSbE%2BXqEx8zZGHQka14Q6SZmwksCwQUwhuX3yLFUNE4gQNtV9OGIKVuAFYCEQDmVW0%2FcHTWUtTeR5jai2zJ | unknown | binary | 282 b | unknown |
3936 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | binary | 471 b | unknown |
3936 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | binary | 471 b | unknown |
1080 | svchost.exe | GET | 200 | 95.101.54.248:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?aa4b77dd5ef709e5 | unknown | compressed | 67.5 Kb | unknown |
3936 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA177el9ggmWelJjG4vdGL0%3D | unknown | binary | 471 b | unknown |
1080 | svchost.exe | GET | 304 | 95.101.54.248:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?ae332821cb231d51 | unknown | compressed | 67.5 Kb | unknown |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2572 | iexplore.exe | 111.186.60.57:443 | s3.jcloud.sjtu.edu.cn | China Education and Research Network Center | CN | unknown |
3936 | iexplore.exe | 104.126.37.185:443 | www.bing.com | Akamai International B.V. | DE | unknown |
3936 | iexplore.exe | 2.22.242.122:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | unknown |
3936 | iexplore.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
2572 | iexplore.exe | 111.186.60.59:443 | s3.jcloud.sjtu.edu.cn | China Education and Research Network Center | CN | unknown |
2572 | iexplore.exe | 172.64.149.23:80 | ocsp.comodoca.com | CLOUDFLARENET | US | unknown |
3936 | iexplore.exe | 104.126.37.178:443 | www.bing.com | Akamai International B.V. | DE | unknown |
Domain | IP | Reputation |
|---|---|---|
s3.jcloud.sjtu.edu.cn |
| unknown |
api.bing.com |
| whitelisted |
www.bing.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
ocsp.comodoca.com |
| whitelisted |
ocsp.usertrust.com |
| whitelisted |
ocsp.trust-provider.cn |
| malicious |
iecvlist.microsoft.com |
| whitelisted |
r20swj13mr.microsoft.com |
| whitelisted |