{ "Event": { "analysis": "2", "date": "2017-05-12", "extends_uuid": "", "info": "OSINT - Massive outbreak of ransomware variant infects large amounts of computers around the world", "publish_timestamp": "1494772934", "published": true, "threat_level_id": "3", "timestamp": "1494772913", "uuid": "5916342f-3134-435f-9ce2-48e802de0b81", "Orgc": { "name": "CIRCL", "uuid": "55f6ea5e-2c60-40e5-964f-47a8950d210f" }, "Tag": [ { "colour": "#ffffff", "name": "tlp:white" }, { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" }, { "colour": "#075200", "name": "admiralty-scale:source-reliability=\"b\"" }, { "colour": "#0088cc", "name": "misp-galaxy:ransomware=\"WannaCry\"" } ], "Attribute": [ { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1494627454", "to_ids": false, "type": "link", "uuid": "5916343e-61e8-4190-9a8c-40d002de0b81", "value": "https://blog.fox-it.com/2017/05/12/massive-outbreak-of-ransomware-variant-infects-large-amounts-of-computers-around-the-world/", "Tag": [ { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" } ] }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1494627454", "to_ids": false, "type": "text", "uuid": "5916344d-edf0-476a-8815-fd0002de0b81", "value": "Today, May 12th 2017, a ransomware variant known as WanaCry is being spread on a massive scale around the world. The initial infection vector appear to be phishing e-mails.\r\nOnce a computer is infected it will attempt to infect other machines on the same network using a recently patched Windows vulnerability.", "Tag": [ { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" } ] }, { "category": "Network activity", "comment": "Snort signatures from Emerging Threats are available for the ETERNALBLUE exploit:", "deleted": false, "disable_correlation": false, "timestamp": "1494627488", "to_ids": true, "type": "snort", "uuid": "5916348c-bbdc-4fbe-8e9a-4fc902de0b81", "value": "alert tcp any any -> $HOME_NET any (msg:"ET EXPLOIT Possible ETERNALBLUE MS17-010 Heap Spray"; flow:to_server,established; content:"|ff|SMB|33 00 00 00 00 18 07 c0 00 00 00 00 00 00 00 00 00 00 00 00 00|"; offset:4; depth:25; content:"|08 ff fe 00 08 41 00 09 00 00 00 10|"; within:12; fast_pattern; content:"|00 00 00 00 00 00 00 10|"; within:8; content:"|00 00 00 10|"; distance:4; within:4; pcre:"/^[a-zA-Z0-9+/]{1000,}/R"; threshold: type threshold, track by_src, count 12, seconds 1; classtype:trojan-activity; sid:2024217; rev:1;)\r\nalert tcp any any -> $HOME_NET any (msg:"ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Request (set)"; flow:to_server,established; content:"|00 00 00 31 ff|SMB|2b 00 00 00 00 18 07 c0|"; depth:16; fast_pattern; content:"|4a 6c 4a 6d 49 68 43 6c 42 73 72 00|"; distance:0; flowbits:set,ETPRO.ETERNALBLUE; flowbits:noalert; classtype:trojan-activity; sid:2024220; rev:1;)\r\nalert tcp $HOME_NET any -> any any (msg:"ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Response"; flow:from_server,established; content:"|00 00 00 31 ff|SMB|2b 00 00 00 00 98 07 c0|"; depth:16; fast_pattern; content:"|4a 6c 4a 6d 49 68 43 6c 42 73 72 00|"; distance:0; flowbits:isset,ETPRO.ETERNALBLUE; classtype:trojan-activity; sid:2024218; rev:1;)" }, { "category": "Network activity", "comment": "An e-mail containing a link or a PDF file with a similar link rerieves an .hta file.", "deleted": false, "disable_correlation": false, "timestamp": "1494627517", "to_ids": true, "type": "url", "uuid": "591634bd-074c-40dd-bf4f-4e3e02de0b81", "value": "http://www.rentasyventas.com/incluir/rk/imagenes.html?retencion=081525418" }, { "category": "Network activity", "comment": "The .hta file retrieves a payload, which will retrieve or install the malware.", "deleted": false, "disable_correlation": false, "timestamp": "1494627517", "to_ids": true, "type": "url", "uuid": "591634bd-a96c-4627-ba7f-474902de0b81", "value": "http://graficagbin.com.br/loja/q.hta" }, { "category": "Payload delivery", "comment": "Command and Control servers", "deleted": false, "disable_correlation": false, "timestamp": "1494627534", "to_ids": true, "type": "filename", "uuid": "591634ce-019c-44ea-b2ab-493402de0b81", "value": "cwwnhwhlz52ma.onion" }, { "category": "Payload delivery", "comment": "Command and Control servers", "deleted": false, "disable_correlation": false, "timestamp": "1494627535", "to_ids": true, "type": "filename", "uuid": "591634cf-d67c-4365-b744-485702de0b81", "value": "gx7ekbenv2riucmf.onion" }, { "category": "Payload delivery", "comment": "Command and Control servers", "deleted": false, "disable_correlation": false, "timestamp": "1494627535", "to_ids": true, "type": "filename", "uuid": "591634cf-8ec0-4dca-a152-42bd02de0b81", "value": "xxlvbrloxvriy2c5.onion" }, { "category": "Payload delivery", "comment": "Command and Control servers", "deleted": false, "disable_correlation": false, "timestamp": "1494627535", "to_ids": true, "type": "filename", "uuid": "591634cf-19a8-4038-96c0-4b6c02de0b81", "value": "57g7spgrzlojinas.onion" }, { "category": "Payload delivery", "comment": "Command and Control servers", "deleted": false, "disable_correlation": false, "timestamp": "1494627536", "to_ids": true, "type": "filename", "uuid": "591634d0-4238-4ccd-a038-42ea02de0b81", "value": "76jdd2ir2embyv47.onion" }, { "category": "External analysis", "comment": "Bitcoin addresses", "deleted": false, "disable_correlation": false, "timestamp": "1494627551", "to_ids": false, "type": "link", "uuid": "591634df-4fa8-41bb-a56d-41ad02de0b81", "value": "https://blockchain.info/address/115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn" }, { "category": "External analysis", "comment": "Bitcoin addresses", "deleted": false, "disable_correlation": false, "timestamp": "1494627552", "to_ids": false, "type": "link", "uuid": "591634e0-b91c-4a04-85a8-438602de0b81", "value": "https://blockchain.info/address/12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw" }, { "category": "External analysis", "comment": "Bitcoin addresses", "deleted": false, "disable_correlation": false, "timestamp": "1494627552", "to_ids": false, "type": "link", "uuid": "591634e0-7090-44b9-811c-466a02de0b81", "value": "https://blockchain.info/address/13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94" } ] } }