SUSPICIOUS — index.js
SUSPICIOUS — index.js is a script sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (61/100). 0 of 53 detection engines flagged it.
Identification
- SHA-256:
8641075df5f6c042154d56c50784e6d07559166ed65db435c995f1b7984c9ad9 - SHA-1:
289181f50476a356045f79ee3e617d28e2ea31fc - MD5:
1f36fef5f3c4686e4638acdf81ae9e19 - ssdeep:
192:woma/TH6kvzIrOWb9FqEo8V55rU0kVhsbONL:Lma/T6+4OWbyEo8VHrU0k2bK - TLSH:
T1D320D883246A3BC4CE1FE56BBBB9391F12932B5B21D1848BD344E701A9E1DC41518FE9 - Submitted as: index.js
- File type: script · Size: 8199 bytes
- Verdict: suspicious (61/100)
Detections (0 of 53 engines)
No engine flagged this sample.
Why this verdict
The suspicious score of 61/100 is the fusion of 3 weighted signals:
- Obfuscated javascript script: dynamic-exec (rule
script-deobfuscation) - static signal, weight 0.55, confidence 0.75 - Contacted 24 external host(s) and 21 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
356 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787944066&P2=404&P3=2&P4=YV5SNZFpTZ%2fbA4tT%2fywr6LoK6wN7wF%2f8Zg%2bbzhflPypIwrbO9RLgkxgmj6mRWtbdjThMuFXiJHxcSSnFo04uDQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787944098&P2=404&P3=2&P4=Sm9sLFBsDXOasbLwm6lpcYCXT9zaAejOigwpnHEm0XmWy7TOROoaddRKnsfELFQgfVQnMTeRGh3QJYNYzc6M6w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.110.12.14
- 51.116.246.106
- 52.110.12.4
- 4.230.171.124
- 4.247.188.224
- 52.230.59.222
- 74.178.76.128
- 4.150.223.101
- 20.165.94.54
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 4.150.223.106
- 135.234.160.245
- 52.123.252.234
- 52.123.252.220
- 20.165.94.46
- 203.26.79.13
- 52.148.114.188
- 135.233.45.222
- 40.84.97.4
- 72.145.35.110
- 52.110.12.56
- 52.110.12.1
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report