{ "Event": { "analysis": "2", "date": "2018-05-30", "extends_uuid": "", "info": "OSINT - New Backup Cryptomix Ransomware Variant Actively Infecting Users", "publish_timestamp": "1540562343", "published": true, "threat_level_id": "3", "timestamp": "1540562337", "uuid": "5b17e074-3d90-4f06-bbf0-44c9950d210f", "Orgc": { "name": "CIRCL", "uuid": "55f6ea5e-2c60-40e5-964f-47a8950d210f" }, "Tag": [ { "colour": "#ffffff", "local": false, "name": "tlp:white", "relationship_type": "" }, { "colour": "#0088cc", "local": false, "name": "misp-galaxy:ransomware=\"CryptoMix\"", "relationship_type": "" }, { "colour": "#2c4f00", "local": false, "name": "malware_classification:malware-category=\"Ransomware\"", "relationship_type": "" }, { "colour": "#3a7300", "local": false, "name": "circl:incident-classification=\"malware\"", "relationship_type": "" }, { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ], "Attribute": [ { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528291649", "to_ids": false, "type": "link", "uuid": "5b17e09f-9920-45b0-a75f-4505950d210f", "value": "https://www.bleepingcomputer.com/news/security/new-backup-cryptomix-ransomware-variant-actively-infecting-users/", "Tag": [ { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ] }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528291639", "to_ids": false, "type": "text", "uuid": "5b17e0b7-59f0-4cbf-85cb-44aa950d210f", "value": "Today MalwareHunterTeam discovered a new variant of the Cryptomix Ransomware that appends the .BACKUP extension to encrypted files, changes the contact email, and slightly changes the ransom note's name.\r\n\r\nIn this article I will provide a brief summary of any changes that have occurred in this new variant. As we are always looking for weaknesses, if you are a victim of this variant and decide to pay the ransom, please send us the decryptor so we can take a look at it. You can also discuss or receive support for Cryptomix ransomware infections in our dedicated Cryptomix Help & Support Topic.", "Tag": [ { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ] }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292368", "to_ids": true, "type": "filename", "uuid": "5b17e410-2d8c-47d1-be8d-4885950d210f", "value": "HELP_INSTRUCTION.TXT" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292368", "to_ids": true, "type": "filename", "uuid": "5b17e410-7af0-4622-ba57-4635950d210f", "value": "%ALLUSERSPROFILE%\\[random].exe" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292459", "to_ids": true, "type": "email-src", "uuid": "5b17e46b-082c-45e1-bddc-42da950d210f", "value": "backuppc@tuta.io" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292460", "to_ids": true, "type": "email-src", "uuid": "5b17e46c-434c-4200-a688-45db950d210f", "value": "backuppc@protonmail.com" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292461", "to_ids": true, "type": "email-src", "uuid": "5b17e46d-dc9c-4316-9673-4556950d210f", "value": "backuppc1@protonmail.com" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292461", "to_ids": true, "type": "email-src", "uuid": "5b17e46d-853c-4181-8b8c-496e950d210f", "value": "b4ckuppc1@yandex.com" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292461", "to_ids": true, "type": "email-src", "uuid": "5b17e46d-8d20-471f-924e-417f950d210f", "value": "b4ckuppc2@yandex.com" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528292462", "to_ids": true, "type": "email-src", "uuid": "5b17e46e-9ca8-4358-8c42-4b78950d210f", "value": "backuppc1@dr.com" } ], "Object": [ { "comment": "", "deleted": false, "description": "File object describing a file with meta-information", "meta-category": "file", "name": "file", "template_uuid": "688c46fb-5edb-40a3-8273-1af7923e2215", "template_version": "11", "timestamp": "1528291754", "uuid": "5b17e1aa-6668-41e8-b3b3-44a8950d210f", "Attribute": [ { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha256", "timestamp": "1528291755", "to_ids": true, "type": "sha256", "uuid": "5b17e1ab-232c-49ec-80c4-43e4950d210f", "value": "44d5b6d36294d2f3bdc773eb7a43ba49c03febc60556616a7d641dd9ee5d13d8" }, { "category": "Other", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "state", "timestamp": "1528291756", "to_ids": false, "type": "text", "uuid": "5b17e1ac-f684-442f-b4a6-4060950d210f", "value": "Malicious" } ] }, { "comment": "", "deleted": false, "description": "File object describing a file with meta-information", "meta-category": "file", "name": "file", "template_uuid": "688c46fb-5edb-40a3-8273-1af7923e2215", "template_version": "11", "timestamp": "1540562316", "uuid": "8194c5c7-6727-4c94-af68-34d80ebfd5b4", "Attribute": [ { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "md5", "timestamp": "1540562316", "to_ids": true, "type": "md5", "uuid": "64500077-0647-472d-ba2d-1acd6983c32f", "value": "48182d1c42a37ce24925bcc79d147bf2" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha1", "timestamp": "1540562317", "to_ids": true, "type": "sha1", "uuid": "35ccfdb2-b098-45f0-995b-f3f0de5b206a", "value": "fdec8b08069600ff74fb3aed138fca79d9528410" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha256", "timestamp": "1540562317", "to_ids": true, "type": "sha256", "uuid": "7e5f0b7e-327d-48e4-80c8-ad8eb73ec411", "value": "44d5b6d36294d2f3bdc773eb7a43ba49c03febc60556616a7d641dd9ee5d13d8" } ] }, { "comment": "", "deleted": false, "description": "VirusTotal report", "meta-category": "misc", "name": "virustotal-report", "template_uuid": "d7dd0154-e04f-4c34-a2fb-79f3a3a52aa4", "template_version": "2", "timestamp": "1540562317", "uuid": "a9233e35-64ad-4e30-8903-06a77f907b2b", "Attribute": [ { "category": "Other", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "last-submission", "timestamp": "1540562318", "to_ids": false, "type": "datetime", "uuid": "b87d43aa-9f62-43bb-a1a2-012f2918e4f0", "value": "2018-10-26T00:47:39" }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "permalink", "timestamp": "1540562318", "to_ids": false, "type": "link", "uuid": "59650c9c-ff05-4a24-83f5-cf1a4701a580", "value": "https://www.virustotal.com/file/44d5b6d36294d2f3bdc773eb7a43ba49c03febc60556616a7d641dd9ee5d13d8/analysis/1540514859/" }, { "category": "Other", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "detection-ratio", "timestamp": "1540562322", "to_ids": false, "type": "text", "uuid": "f8220fb9-ebdf-4559-80a1-e195ee129a15", "value": "50/66" } ] } ] } }