| URL: | https://blog.box.com/crc32-checksums-the-good-the-bad-and-the-ugly |
| Full analysis: | https://app.any.run/tasks/cbacc46e-1809-4037-b2e3-cb561d4f6ded |
| Verdict: | Malicious activity |
| Analysis date: | May 20, 2022, 22:33:52 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | B1549DB1326E9C8869C0C9CCB0E665ED |
| SHA1: | DBDD06F710D58A6524BCC36E114CB4400BD3B330 |
| SHA256: | 5CD93C8E3CCE06E595EBF12D1FCA63E58AB996FE762398028EE95EBA2ABFE359 |
| SSDEEP: | 3:N8ZL8d2XZYrsN0L+rtXSn:2ZwgXZYgoChSn |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads Microsoft Outlook installation path
- iexplore.exe (PID: 3100)
INFO
Application launched itself
- iexplore.exe (PID: 2060)
Reads the computer name
- iexplore.exe (PID: 3100)
- iexplore.exe (PID: 2060)
Checks supported languages
- iexplore.exe (PID: 2060)
- iexplore.exe (PID: 3100)
Changes internet zones settings
- iexplore.exe (PID: 2060)
Checks Windows Trust Settings
- iexplore.exe (PID: 3100)
- iexplore.exe (PID: 2060)
Reads internet explorer settings
- iexplore.exe (PID: 3100)
Changes settings of System certificates
- iexplore.exe (PID: 2060)
Reads settings of System Certificates
- iexplore.exe (PID: 3100)
- iexplore.exe (PID: 2060)
Creates files in the user directory
- iexplore.exe (PID: 3100)
- iexplore.exe (PID: 2060)
Adds / modifies Windows certificates
- iexplore.exe (PID: 2060)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
36
Monitored processes
2
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2060 | "C:\Program Files\Internet Explorer\iexplore.exe" "https://blog.box.com/crc32-checksums-the-good-the-bad-and-the-ugly" | 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
| |||||||||||||||
| 3100 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2060 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
| |||||||||||||||
Total events
19 505
Read events
19 297
Write events
206
Delete events
2
Modification events
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPDaysSinceLastAutoMigration |
Value: 1 | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchLowDateTime |
Value: | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchHighDateTime |
Value: 30960793 | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateLowDateTime |
Value: | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 30960793 | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (2060) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
Executable files
0
Suspicious files
39
Text files
134
Unknown types
40
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3100 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04 | der | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\crc32-checksums-the-good-the-bad-and-the-ugly[1].htm | html | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\5IWPIAR9\77242d00f702dba0[1].css | text | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\928.d4e26341b5d568d5[1].js | text | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\450.b8ddccc01eb5e73c[1].js | text | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YTOWV792\107.1b0b6fde66b38301[1].js | text | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\Low\dat4DB4.tmp | woff | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\fetch-inject.min[1].js | text | |
MD5:— | SHA256:— | |||
| 3100 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04 | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
36
TCP/UDP connections
101
DNS requests
47
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3100 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEARHx0oOo6iaCAlJM5L5P64%3D | US | der | 471 b | whitelisted |
2060 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D | US | der | 1.47 Kb | whitelisted |
3100 | iexplore.exe | GET | 200 | 142.250.186.131:80 | http://ocsp.pki.goog/gts1c3/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTHLnmK3f9hNLO67UdCuLvGwCQHYwQUinR%2Fr4XN7pXNPZzQ4kYU83E1HScCEG3aTvFLTYzNCmxS2fUJutw%3D | US | der | 471 b | whitelisted |
3100 | iexplore.exe | GET | 200 | 52.222.206.202:80 | http://ocsp.rootg2.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBSIfaREXmfqfJR3TkMYnD7O5MhzEgQUnF8A36oB1zArOIiiuG1KnPIRkYMCEwZ%2FlEoqJ83z%2BsKuKwH5CO65xMY%3D | US | der | 1.51 Kb | whitelisted |
3100 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEAPcXPipNqNLgWgvPi2Uwnc%3D | US | der | 471 b | whitelisted |
3100 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D | US | der | 471 b | whitelisted |
3100 | iexplore.exe | GET | 200 | 142.250.186.131:80 | http://ocsp.pki.goog/gtsr1/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBQwkcLWD4LqGJ7bE7B1XZsEbmfwUAQU5K8rJnEaK0gnhS9SZizv8IkTcT4CDQIDvFNZazTHGPUBUGY%3D | US | der | 724 b | whitelisted |
3100 | iexplore.exe | GET | 200 | 142.250.186.131:80 | http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D | US | der | 1.41 Kb | whitelisted |
3100 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEAiUAg1J7ie9IHbDN8v5koI%3D | US | der | 471 b | whitelisted |
3100 | iexplore.exe | GET | 200 | 192.124.249.22:80 | http://ocsp.godaddy.com//MEowSDBGMEQwQjAJBgUrDgMCGgUABBS2CA1fbGt26xPkOKX4ZguoUjM0TgQUQMK9J47MNIMwojPX%2B2yz8LQsgM4CCQCM%2BnMEEbY6yw%3D%3D | US | der | 1.74 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 |
|---|---|---|---|---|---|---|
3100 | iexplore.exe | 76.76.21.98:443 | blog.box.com | Carolina Internet, Ltd. | US | malicious |
3100 | iexplore.exe | 23.216.77.80:80 | ctldl.windowsupdate.com | NTT DOCOMO, INC. | US | suspicious |
3100 | iexplore.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3100 | iexplore.exe | 142.250.185.163:443 | fonts.gstatic.com | Google Inc. | US | whitelisted |
3100 | iexplore.exe | 142.250.186.131:80 | ocsp.pki.goog | Google Inc. | US | whitelisted |
3100 | iexplore.exe | 18.66.97.57:443 | api.company-target.com | Massachusetts Institute of Technology | US | unknown |
3100 | iexplore.exe | 192.124.249.22:80 | ocsp.godaddy.com | Sucuri | US | suspicious |
3100 | iexplore.exe | 108.138.2.195:80 | o.ss2.us | BellSouth.net Inc. | US | unknown |
2060 | iexplore.exe | 204.79.197.200:443 | www.bing.com | Microsoft Corporation | US | whitelisted |
3100 | iexplore.exe | 15.236.176.210:443 | sanalytics.box.com | Hewlett-Packard Company | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
blog.box.com |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
fonts.gstatic.com |
| whitelisted |
ocsp.pki.goog |
| whitelisted |
api.company-target.com |
| shared |
cdn.segment.com |
| shared |
ocsp.godaddy.com |
| whitelisted |
o.ss2.us |
| whitelisted |
sanalytics.box.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3100 | iexplore.exe | Potentially Bad Traffic | ET INFO TLS Handshake Failure |
3100 | iexplore.exe | Potentially Bad Traffic | ET INFO TLS Handshake Failure |