MALICIOUS — 990cb3603ae4918238768bf2595292053e15875f1b641c3221222bbeb36f22d0
MALICIOUS — 990cb3603ae4918238768bf2595292053e15875f1b641c3221222bbeb36f22d0 is a html sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (77/100), attributed to the Cryxos family. 2 of 53 detection engines flagged it.
Identification
- SHA-256:
990cb3603ae4918238768bf2595292053e15875f1b641c3221222bbeb36f22d0 - SHA-1:
cdd2f5ea7f0a9ce2dc993488c152de4d3eea032e - MD5:
136cb1c3b8bb4ddcc49f42ae5f3a8989 - ssdeep:
48:lmI++x4S9wPTWrp5ZHkN+grQDz8HOEZHRPjGy+Xku:1++x4mw0Hk5ExcEy+T - TLSH:
T14A1684DAF0CBADA8CC1C526B7C44A2877A0FDF357A815BD8A74952595CE0CE81D36022 - Submitted as: 990cb3603ae4918238768bf2595292053e15875f1b641c3221222bbeb36f22d0
- File type: html · Size: 2907 bytes
- Verdict: malicious (77/100) · Family: Cryxos
Detections (2 of 53 engines)
- Microsoft Defender: Trojan:JS/Cryxos.PGCH!MTB
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
Why this verdict
The malicious score of 77/100 is the fusion of 3 weighted signals:
- Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Obfuscated javascript script: dynamic-exec (rule
script-deobfuscation) - static signal, weight 0.55, confidence 0.75 - Contacted 25 external host(s) at runtime (26 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
282 behavior events · 0 ATT&CK techniques · 1 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
- licensing.mp.microsoft.com
- www.msn.com
Dropped files
- 5374281d59a5d37321cfec1913779594de0b25e44a88d6073c95d4d812955333 -
5374281d59a5d37321cfec1913779594de0b25e44a88d6073c95d4d812955333
Embedded URLs
- http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd
- http://www.w3.org/1999/xhtml
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787795777&P2=404&P3=2&P4=PQRpeM6XvJC2bvKZWEUxhxEBbZFIJ8OdT%2buWnNp4RjGYYrnLOuspUaSLuz2UE6bBFZFIoTPZV%2b4ej97iRxNaEw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787795809&P2=404&P3=2&P4=Upc3AlHoA0IKw6Y0QMjnyzqHgcjJTJAoajVZtJEEVwAfCbovaDvNSt8OVsl6lkat%2fcovT6qbCoEgTx%2fm0dssMQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787192478&P2=404&P3=2&P4=RRgNl%2fTYPTMdmdI6t7MVeAR7zqRnRPzgl1mI3BOhTVPxss5d0XQELqep1PEfw4P05eDaOK8lQB6%2b5OmBhGwpyQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787192069&P2=404&P3=2&P4=HC6V9jgYz7rOVe%2fmzyYWeMcOd3iGPjfdMlI%2bvOIfpkd5opoWWWpANMH9VtIBULnTm8Qe38eTl%2bj5g4ep%2bdrRXg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- www.w3.org
- window.top
Embedded IP addresses
- 4.207.44.67
- 4.144.132.223
- 85.210.196.11
- 4.230.171.124
- 74.178.76.128
- 52.168.117.168
- 20.76.201.171
- 52.123.129.14
- 52.123.128.14
- 74.178.76.54
- 74.179.77.204
- 20.42.73.30
- 135.233.45.223
- 135.232.92.34
- 203.26.79.13
- 52.110.12.51
- 52.110.12.48
- 52.148.114.188
- 48.200.63.27
- 51.116.246.105
- 4.150.223.100
- 13.69.116.108
- 72.145.35.111
- 52.110.12.21
- 52.110.12.25
More Cryxos samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report