{ "type": "bundle", "id": "bundle--5a37887b-efe0-43ba-8542-435c950d210f", "objects": [ { "type": "identity", "spec_version": "2.1", "id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-20T03:00:26.000Z", "modified": "2017-12-20T03:00:26.000Z", "name": "CIRCL", "identity_class": "organization" }, { "type": "report", "spec_version": "2.1", "id": "report--5a37887b-efe0-43ba-8542-435c950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-20T03:00:26.000Z", "modified": "2017-12-20T03:00:26.000Z", "name": "OSINT - Active ransomware attack uses impersonation and embedded advanced threats", "published": "2017-12-28T13:30:40Z", "object_refs": [ "x-misp-attribute--5a378895-b7d8-49b2-a28c-44ca950d210f", "observed-data--5a3788f1-413c-4fb5-aba2-4898950d210f", "url--5a3788f1-413c-4fb5-aba2-4898950d210f", "indicator--5a3789f2-9004-4a04-a2e8-473b950d210f", "indicator--5a378d5b-bcac-4fda-816f-48e8950d210f", "x-misp-object--bd9400ef-6830-41e8-bf08-6f8a05193923", "relationship--9526cf95-f7a6-4d65-8402-2c0c258e40de" ], "labels": [ "Threat-Report", "misp:tool=\"MISP-STIX-Converter\"", "type:OSINT", "osint:source-type=\"blog-post\"", "malware_classification:malware-category=\"Ransomware\"" ], "object_marking_refs": [ "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9" ] }, { "type": "x-misp-attribute", "spec_version": "2.1", "id": "x-misp-attribute--5a378895-b7d8-49b2-a28c-44ca950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-18T10:52:11.000Z", "modified": "2017-12-18T10:52:11.000Z", "labels": [ "misp:type=\"comment\"", "misp:category=\"External analysis\"", "osint:source-type=\"blog-post\"" ], "x_misp_category": "External analysis", "x_misp_type": "comment", "x_misp_value": "In this attack, the source of the email is a spoofed address, and the attachment name and number is included in the subject line and body of the message. The full subject line in this example is \u00e2\u20ac\u0153Emailing: Payment_201708-6165\u00e2\u20ac\u009d and the number in the attachment name is variable." }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--5a3788f1-413c-4fb5-aba2-4898950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-18T10:52:11.000Z", "modified": "2017-12-18T10:52:11.000Z", "first_observed": "2017-12-18T10:52:11Z", "last_observed": "2017-12-18T10:52:11Z", "number_observed": 1, "object_refs": [ "url--5a3788f1-413c-4fb5-aba2-4898950d210f" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"", "osint:source-type=\"blog-post\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--5a3788f1-413c-4fb5-aba2-4898950d210f", "value": "https://blog.barracuda.com/2017/08/31/active-ransomware-attack-uses-impersonation-and-embedded-advanced-threats/" }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5a3789f2-9004-4a04-a2e8-473b950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-18T09:27:17.000Z", "modified": "2017-12-18T09:27:17.000Z", "pattern": "[file:hashes.MD5 = 'fa527ff057e1be5101da4481d38ba968' AND file:hashes.SHA1 = 'd5d67631683c9e3d5021334477746a1e64ea2dff' AND file:hashes.SHA256 = '87d0d011b8b456ce8fa15afea8df5e5fbf1bad5cb3305272016ca0db9c204d90' AND file:size = '20363' AND file:x_misp_state = 'Malicious']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-12-18T09:27:17Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "file" } ], "labels": [ "misp:name=\"file\"", "misp:meta-category=\"file\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5a378d5b-bcac-4fda-816f-48e8950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-18T09:41:47.000Z", "modified": "2017-12-18T09:41:47.000Z", "pattern": "[email-message:date = '2017-08-30T02:13:17' AND email-message:subject = 'Emailing: Payment_201708-1160' AND email-message:body_multipart[0].body_raw_ref.name = '201708-1160.7z' AND email-message:body_multipart[0].content_disposition = 'attachment']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-12-18T09:41:47Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "network" } ], "labels": [ "misp:name=\"email\"", "misp:meta-category=\"network\"", "misp:to_ids=\"True\"" ] }, { "type": "x-misp-object", "spec_version": "2.1", "id": "x-misp-object--bd9400ef-6830-41e8-bf08-6f8a05193923", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-12-18T10:52:11.000Z", "modified": "2017-12-18T10:52:11.000Z", "labels": [ "misp:name=\"virustotal-report\"", "misp:meta-category=\"misc\"" ], "x_misp_attributes": [ { "type": "link", "object_relation": "permalink", "value": "https://www.virustotal.com/file/87d0d011b8b456ce8fa15afea8df5e5fbf1bad5cb3305272016ca0db9c204d90/analysis/1505917656/", "category": "External analysis", "uuid": "5a379ddc-112c-41c3-ae7e-441602de0b81" }, { "type": "text", "object_relation": "detection-ratio", "value": "37/59", "category": "Other", "uuid": "5a379ddc-e090-4f00-a188-4ad902de0b81" }, { "type": "datetime", "object_relation": "last-submission", "value": "2017-09-20T14:27:36", "category": "Other", "uuid": "5a379ddc-6838-4c7d-92e3-459f02de0b81" } ], "x_misp_meta_category": "misc", "x_misp_name": "virustotal-report" }, { "type": "relationship", "spec_version": "2.1", "id": "relationship--9526cf95-f7a6-4d65-8402-2c0c258e40de", "created": "2017-12-28T13:30:40.000Z", "modified": "2017-12-28T13:30:40.000Z", "relationship_type": "analysed-with", "source_ref": "indicator--5a3789f2-9004-4a04-a2e8-473b950d210f", "target_ref": "x-misp-object--bd9400ef-6830-41e8-bf08-6f8a05193923" }, { "type": "marking-definition", "spec_version": "2.1", "id": "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9", "created": "2017-01-20T00:00:00.000Z", "definition_type": "tlp", "name": "TLP:WHITE", "definition": { "tlp": "white" } } ] }