misp-circl-feed/feeds/circl/misp/5b17eaaf-783c-4624-b5f4-42d5950d210f.json

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{
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"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",
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"local": false,
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"name": "tlp:white",
"relationship_type": ""
},
{
"colour": "#2c4f00",
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"local": false,
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"name": "malware_classification:malware-category=\"Ransomware\"",
"relationship_type": ""
},
{
"colour": "#00223b",
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"local": false,
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"name": "osint:source-type=\"blog-post\"",
"relationship_type": ""
},
{
"colour": "#0088cc",
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"local": false,
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"name": "misp-galaxy:ransomware=\"Sigrun Ransomware\"",
"relationship_type": ""
}
],
"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": [
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"colour": "#00223b",
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"local": false,
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"name": "osint:source-type=\"blog-post\"",
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},
{
"category": "External analysis",
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"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": [
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"local": false,
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"name": "osint:source-type=\"blog-post\"",
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},
{
"category": "Payload delivery",
"comment": "",
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"timestamp": "1528356973",
"to_ids": true,
"type": "filename",
"uuid": "5b18e06d-07dc-4b4e-870e-262b950d210f",
"value": "RESTORE-SIGRUN.txt"
},
{
"category": "Payload delivery",
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"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": [
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"description": "File object describing a file with meta-information",
"meta-category": "file",
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"template_version": "11",
"timestamp": "1528356608",
"uuid": "5b18df00-e54c-4f8c-8aff-1dc7950d210f",
"Attribute": [
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"category": "Payload delivery",
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"object_relation": "sha256",
"timestamp": "1528356609",
"to_ids": true,
"type": "sha256",
"uuid": "5b18df01-4aec-4bc3-87b5-1dc7950d210f",
"value": "664b482e22e0f108660cf03fb7d1507d929e8242eb6c5762e577096a50a8cc5b"
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{
"category": "Other",
"comment": "",
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"object_relation": "state",
"timestamp": "1528356609",
"to_ids": false,
"type": "text",
"uuid": "5b18df01-5338-4a84-9eb0-1dc7950d210f",
"value": "Malicious"
}
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"timestamp": "1528875487",
"uuid": "09bc113b-4699-4395-b2c8-f7e57415bab4",
"ObjectReference": [
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"object_uuid": "09bc113b-4699-4395-b2c8-f7e57415bab4",
"referenced_uuid": "7aeb92ee-c416-4eea-bd3d-bffb83f3b67c",
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"relationship_type": "analysed-with",
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"timestamp": "1528875487",
"uuid": "5b20c9df-4ef4-46e6-a617-a44b02de0b81"
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"Attribute": []
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{
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"description": "VirusTotal report",
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}
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]
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}
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}