{ "Event": { "analysis": "2", "date": "2018-06-01", "extends_uuid": "", "info": "OSINT - Sigrun Ransomware Author Decrypting Russian Victims for Free", "publish_timestamp": "1528904384", "published": true, "threat_level_id": "3", "timestamp": "1528891752", "uuid": "5b17eaaf-783c-4624-b5f4-42d5950d210f", "Orgc": { "name": "CIRCL", "uuid": "55f6ea5e-2c60-40e5-964f-47a8950d210f" }, "Tag": [ { "colour": "#ffffff", "name": "tlp:white" }, { "colour": "#2c4f00", "name": "malware_classification:malware-category=\"Ransomware\"" }, { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" }, { "colour": "#0088cc", "name": "misp-galaxy:ransomware=\"Sigrun Ransomware\"" } ], "Attribute": [ { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528294869", "to_ids": false, "type": "link", "uuid": "5b17ed4b-d91c-42b3-b3f5-4998950d210f", "value": "https://www.bleepingcomputer.com/news/security/sigrun-ransomware-author-decrypting-russian-victims-for-free/", "Tag": [ { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" } ] }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528294862", "to_ids": false, "type": "text", "uuid": "5b17ed5f-5934-4b17-918d-4149950d210f", "value": "The author of the Sigrun Ransomware is providing decryption for Russian victims for free, while asking for a ransom payment of $2,500 in Bitcoin or Dash for everyone else. It is not uncommon for Russian ransomware developers to purposely avoid targeting Russian citizens and to outwardly help such victims for free.", "Tag": [ { "colour": "#00223b", "name": "osint:source-type=\"blog-post\"" } ] }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528356973", "to_ids": true, "type": "filename", "uuid": "5b18e06d-07dc-4b4e-870e-262b950d210f", "value": "RESTORE-SIGRUN.txt" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528356974", "to_ids": true, "type": "filename", "uuid": "5b18e06e-0884-4617-8b91-262b950d210f", "value": "RESTORE-SIGRUN.html" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1528357046", "to_ids": true, "type": "email-src", "uuid": "5b18e0b6-1ccc-41f1-b246-1dc5950d210f", "value": "sigrun_decryptor@protonmail.ch" } ], "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": "1528356608", "uuid": "5b18df00-e54c-4f8c-8aff-1dc7950d210f", "Attribute": [ { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha256", "timestamp": "1528356609", "to_ids": true, "type": "sha256", "uuid": "5b18df01-4aec-4bc3-87b5-1dc7950d210f", "value": "664b482e22e0f108660cf03fb7d1507d929e8242eb6c5762e577096a50a8cc5b" }, { "category": "Other", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "state", "timestamp": "1528356609", "to_ids": false, "type": "text", "uuid": "5b18df01-5338-4a84-9eb0-1dc7950d210f", "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": "1528875487", "uuid": "09bc113b-4699-4395-b2c8-f7e57415bab4", "ObjectReference": [ { "comment": "", "object_uuid": "09bc113b-4699-4395-b2c8-f7e57415bab4", "referenced_uuid": "7aeb92ee-c416-4eea-bd3d-bffb83f3b67c", "relationship_type": "analysed-with", "timestamp": "1528875487", "uuid": "5b20c9df-4ef4-46e6-a617-a44b02de0b81" } ], "Attribute": [] }, { "comment": "", "deleted": false, "description": "VirusTotal report", "meta-category": "misc", "name": "virustotal-report", "template_uuid": "d7dd0154-e04f-4c34-a2fb-79f3a3a52aa4", "template_version": "2", "timestamp": "1528875486", "uuid": "7aeb92ee-c416-4eea-bd3d-bffb83f3b67c", "Attribute": [] } ] } }