| File name: | Net-Worm.Win32.Sasser |
| Full analysis: | https://app.any.run/tasks/13e89c2d-23e7-4402-8d4c-114d4ee1420f |
| Verdict: | Malicious activity |
| Analysis date: | February 04, 2024, 15:09:44 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 1A2C0E6130850F8FD9B9B5309413CD00 |
| SHA1: | D0DE44BCF3CA6553307C77DA8699DBC9B5E9D56A |
| SHA256: | 09398D3F5CC102F7D932B765036E1AC1FF5DC27405D7357B81EAF48CA8EC71B8 |
| SSDEEP: | 192:5LQQpqTnBW/OyBooSpbBdbnr9w/lhUYobpCtqOjVzg9ZsAXb1r5FSfhVWdzP5eOh:yQqTBNNrbSHhqONghZrGG5LWadp |
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2004:05:01 13:39:48+02:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 15872 |
| InitializedDataSize: | 8704 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x283e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1112 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.137.117.86 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 1192 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:4040 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
| |||||||||||||||
| 1392 | "C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe" | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2168 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.116.133.26 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 2384 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.222.232.189 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 2516 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.122.170.216 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 2596 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.10.72.185 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 2756 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.23.12.208 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 3616 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe 127.36.96.23 | C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Sasser.exe | — | Net-Worm.Win32.Sasser.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 3656 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:4040 CREDAT:3872012 /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
| |||||||||||||||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPDaysSinceLastAutoMigration |
Value: 0 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchHighDateTime |
Value: 30847387 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 30847437 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (4040) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4040 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:2FF41D7C83540121349A0C5FF7A50EA9 | SHA256:C0AB0C6F661E077BAC715743B9656996ED77A1A20876DCC23A7663754E8F69E8 | |||
| 4040 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\favicon[1].ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 4040 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\favicon[2].ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A | binary | |
MD5:1356948AF30DC20D2032C739AFCFD2E3 | SHA256:F7FB4B0F5CEFC9307C3A163F409D69C0FDB4F70E058B8002815804BC1050683D | |||
| 4040 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53 | binary | |
MD5:9274EB9E18101868D26D247A83ACC1B8 | SHA256:F2B0A2EAAFCD830D16B36A67CB077983B49B6ABCB6356CF9FDC3E1B157BB2006 | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YTOWV792\microsoft.afc9b4502f5cf6f88cca[1].js | text | |
MD5:095130BBC3EEC571FCE0F8B59513E250 | SHA256:F834D3999811C38EACD96A27AFC0B913B38E84BB68D14D3F6DDF815C7D1ECB3D | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YTOWV792\de-de[1].htm | html | |
MD5:84EB791491D7BDFAD2C78061A9FDC9AE | SHA256:068E7EE55475DFC6C402709D0AFC54F4178D9E98B8585EF5DF591360F60F48F4 | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EAF8AA29A62AB29E614331747385D816_5C1009244D39FCE23AF8F277537F2613 | binary | |
MD5:7F9A4F834A298B2686709B209317C77D | SHA256:75FA570BEF6630C7EB22823A48E367FDF1A9053531B3814C1961EBFDA46B5E85 | |||
| 3656 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EAF8AA29A62AB29E614331747385D816_5C1009244D39FCE23AF8F277537F2613 | binary | |
MD5:EC392952D7D9D5480EFECDFC5C1724AF | SHA256:E6124539F61D327FFFDAAAFE78548405700F84FDC2284613E35B7FFC697E84B3 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4040 | iexplore.exe | GET | 304 | 184.24.77.203:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4c4bae6a1643aa04 | unknown | — | — | unknown |
4040 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAzlnDD9eoNTLi0BRrMy%2BWU%3D | unknown | binary | 313 b | unknown |
4040 | iexplore.exe | GET | 304 | 184.24.77.203:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?07cc7cc09e2ddc37 | unknown | — | — | unknown |
3656 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | binary | 471 b | unknown |
3656 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA177el9ggmWelJjG4vdGL0%3D | unknown | binary | 471 b | unknown |
— | — | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAZuec12JMYxMMd6vraou5Q%3D | unknown | binary | 313 b | unknown |
3656 | iexplore.exe | GET | 200 | 104.18.38.233:80 | http://ocsp.comodoca.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRTtU9uFqgVGHhJwXZyWCNXmVR5ngQUoBEKIz6W8Qfs4q8p74Klf9AwpLQCEDlyRDr5IrdR19NsEN0xNZU%3D | unknown | binary | 1.42 Kb | unknown |
3656 | iexplore.exe | GET | 200 | 104.18.38.233:80 | http://ocsp.usertrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTNMNJMNDqCqx8FcBWK16EHdimS6QQUU3m%2FWqorSs9UgOHYm8Cd8rIDZssCEH1bUSa0droR23QWC7xTDac%3D | unknown | binary | 2.18 Kb | unknown |
3656 | iexplore.exe | GET | 200 | 104.18.38.233:80 | http://ocsp.usertrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTNMNJMNDqCqx8FcBWK16EHdimS6QQUU3m%2FWqorSs9UgOHYm8Cd8rIDZssCEBN9U5yqfDGppDNwGWiEeo0%3D | unknown | binary | 2.18 Kb | unknown |
3656 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAxq6XzO1ZmDhpCgCp6lMhQ%3D | unknown | binary | 471 b | unknown |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1392 | Net-Worm.Win32.Sasser.exe | 116.199.42.49:445 | — | China Unicom Guangzhou network | CN | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 101.242.128.98:445 | — | BEIJING GEHUA CATV NETWORK CO.LTD | CN | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 192.168.119.134:445 | — | — | — | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 204.108.32.133:445 | — | — | US | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 192.139.79.40:445 | — | FIBRENOIRE-INTERNET | CA | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 192.168.213.21:445 | — | — | — | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 192.178.229.167:445 | — | GOOGLE | US | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 192.168.206.38:445 | — | — | — | unknown |
1392 | Net-Worm.Win32.Sasser.exe | 152.178.89.122:445 | — | UUNET | US | unknown |
Domain | IP | Reputation |
|---|---|---|
api.bing.com |
| whitelisted |
www.bing.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
autos.msn.com |
| whitelisted |
www.msn.com |
| whitelisted |
assets.msn.com |
| whitelisted |
c.msn.com |
| whitelisted |
sb.scorecardresearch.com |
| shared |
PID | Process | Class | Message |
|---|---|---|---|
1392 | Net-Worm.Win32.Sasser.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |
1392 | Net-Worm.Win32.Sasser.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |
3656 | iexplore.exe | Not Suspicious Traffic | INFO [ANY.RUN] jQuery JavaScript Library Code Loaded (code.jquery .com) |
1392 | Net-Worm.Win32.Sasser.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |
1392 | Net-Worm.Win32.Sasser.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |
1392 | Net-Worm.Win32.Sasser.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |