| URL: | https://krnl.ca/ |
| Full analysis: | https://app.any.run/tasks/669e5b8b-6261-426d-9114-5feb60a45572 |
| Verdict: | Malicious activity |
| Analysis date: | January 15, 2022, 23:04:47 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | 9D24AADBE07F5F3A12787B5BD1746FA3 |
| SHA1: | 1152B089D37735E0D38C4CF361FF4863A67BF525 |
| SHA256: | 7CF7E2B1F982544C322607512AB2DEBBF807717A98AFF869A8D4079D5AC51098 |
| SSDEEP: | 3:N8SoEK:2S0 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads Microsoft Outlook installation path
- iexplore.exe (PID: 520)
Executable content was dropped or overwritten
- iexplore.exe (PID: 520)
- iexplore.exe (PID: 3004)
Drops a file with a compile date too recent
- iexplore.exe (PID: 520)
- iexplore.exe (PID: 3004)
Drops a file that was compiled in debug mode
- iexplore.exe (PID: 520)
- iexplore.exe (PID: 3004)
INFO
Changes internet zones settings
- iexplore.exe (PID: 3004)
Checks supported languages
- iexplore.exe (PID: 3004)
- iexplore.exe (PID: 520)
Reads the computer name
- iexplore.exe (PID: 3004)
- iexplore.exe (PID: 520)
Application launched itself
- iexplore.exe (PID: 3004)
Reads settings of System Certificates
- iexplore.exe (PID: 3004)
- iexplore.exe (PID: 520)
Checks Windows Trust Settings
- iexplore.exe (PID: 520)
- iexplore.exe (PID: 3004)
Modifies the phishing filter of IE
- iexplore.exe (PID: 3004)
Reads internet explorer settings
- iexplore.exe (PID: 520)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
37
Monitored processes
2
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 520 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3004 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
| |||||||||||||||
| 3004 | "C:\Program Files\Internet Explorer\iexplore.exe" "https://krnl.ca/" | 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
| |||||||||||||||
Total events
12 855
Read events
12 735
Write events
120
Delete events
0
Modification events
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPDaysSinceLastAutoMigration |
Value: 1 | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchLowDateTime |
Value: | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchHighDateTime |
Value: 30935652 | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateLowDateTime |
Value: | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 30935652 | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (3004) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
Executable files
3
Suspicious files
7
Text files
10
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 520 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27 | der | |
MD5:— | SHA256:— | |||
| 520 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:— | SHA256:— | |||
| 520 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\K719AOEL.htm | html | |
MD5:— | SHA256:— | |||
| 3004 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\imagestore\f7ruq93\imagestore.dat | binary | |
MD5:— | SHA256:— | |||
| 3004 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63 | binary | |
MD5:— | SHA256:— | |||
| 3004 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63 | der | |
MD5:— | SHA256:— | |||
| 520 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27 | binary | |
MD5:— | SHA256:— | |||
| 3004 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\krnlmain[1].png | image | |
MD5:49858DFBC04F611029C4E46711A342DC | SHA256:— | |||
| 3004 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\favicon[1].ico | image | |
MD5:DA597791BE3B6E732F0BC8B20E38EE62 | SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07 | |||
| 520 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | compressed | |
MD5:F7DCB24540769805E5BB30D193944DCE | SHA256:6B88C6AC55BBD6FEA0EBE5A760D1AD2CFCE251C59D0151A1400701CB927E36EA | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
31
DNS requests
10
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3004 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D | US | der | 1.47 Kb | whitelisted |
3004 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | US | der | 471 b | whitelisted |
520 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAo3h2ReX7SMIk79G%2B0UDDw%3D | US | der | 1.47 Kb | whitelisted |
520 | iexplore.exe | GET | 200 | 178.79.242.0:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?60db967d845610f5 | DE | compressed | 4.70 Kb | whitelisted |
520 | iexplore.exe | GET | 200 | 95.140.236.0:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4a60cee1206ff0b1 | GB | compressed | 4.70 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
520 | iexplore.exe | 104.21.39.171:443 | krnl.ca | Cloudflare Inc | US | malicious |
520 | iexplore.exe | 178.79.242.0:80 | ctldl.windowsupdate.com | Limelight Networks, Inc. | DE | whitelisted |
520 | iexplore.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3004 | iexplore.exe | 204.79.197.200:443 | www.bing.com | Microsoft Corporation | US | whitelisted |
3004 | iexplore.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
520 | iexplore.exe | 162.159.133.233:443 | cdn.discordapp.com | Cloudflare Inc | — | shared |
3004 | iexplore.exe | 162.159.133.233:443 | cdn.discordapp.com | Cloudflare Inc | — | shared |
520 | iexplore.exe | 95.140.236.0:80 | ctldl.windowsupdate.com | Limelight Networks, Inc. | GB | whitelisted |
520 | iexplore.exe | 104.21.59.160:443 | k-storage.com | Cloudflare Inc | US | suspicious |
3004 | iexplore.exe | 152.199.19.161:443 | r20swj13mr.microsoft.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
krnl.ca |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
api.bing.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
cdn.discordapp.com |
| shared |
k-storage.com |
| malicious |
r20swj13mr.microsoft.com |
| whitelisted |
iecvlist.microsoft.com |
| whitelisted |