{ "type": "bundle", "id": "bundle--59f18020-36dc-4973-8c98-4156950d210f", "objects": [ { "type": "identity", "spec_version": "2.1", "id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-10-26T09:39:04.000Z", "modified": "2017-10-26T09:39:04.000Z", "name": "CIRCL", "identity_class": "organization" }, { "type": "grouping", "spec_version": "2.1", "id": "grouping--59f18020-36dc-4973-8c98-4156950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-10-26T09:39:04.000Z", "modified": "2017-10-26T09:39:04.000Z", "name": "OSINT - Bad Rabbit Yara rules", "context": "suspicious-activity", "object_refs": [ "indicator--59f18036-3758-45d3-ae6c-42b6950d210f", "observed-data--59f18068-b310-4af4-b948-c888950d210f", "url--59f18068-b310-4af4-b948-c888950d210f" ], "labels": [ "Threat-Report", "misp:tool=\"MISP-STIX-Converter\"", "type:OSINT", "malware_classification:malware-category=\"Ransomware\"", "misp-galaxy:ransomware=\"Bad Rabbit\"" ], "object_marking_refs": [ "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--59f18036-3758-45d3-ae6c-42b6950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-10-26T06:27:02.000Z", "modified": "2017-10-26T06:27:02.000Z", "pattern": "[/*\r\n Yara Rule Set\r\n Author: Florian Roth\r\n Date: 2017-10-25\r\n Identifier: BadRabbit\r\n Reference: https://pastebin.com/Y7pJv3tK\r\n*/\r\n\r\n/* Rule Set ----------------------------------------------------------------- */\r\n\r\nrule BadRabbit_Gen {\r\n meta:\r\n description = \"Detects BadRabbit Ransomware\"\r\n author = \"Florian Roth\"\r\n reference = \"https://pastebin.com/Y7pJv3tK\"\r\n date = \"2017-10-25\"\r\n hash1 = \"8ebc97e05c8e1073bda2efb6f4d00ad7e789260afa2c276f0c72740b838a0a93\"\r\n hash2 = \"579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648\"\r\n hash3 = \"630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da\"\r\n strings:\r\n $x1 = \"schtasks /Create /SC ONCE /TN viserion_%u /RU SYSTEM /TR \\\"%ws\\\" /ST\" fullword wide\r\n $x2 = \"schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR \\\"%ws /C Start \\\\\\\"\\\\\\\" \\\\\\\"%wsdispci.exe\\\\\\\"\" fullword wide\r\n $x3 = \"C:\\\\Windows\\\\infpub.dat\" fullword wide\r\n $x4 = \"C:\\\\Windows\\\\cscc.dat\" fullword wide\r\n\r\n $s1 = \"need to do is submit the payment and get the decryption password.\" fullword ascii\r\n $s2 = \"\\\\\\\\.\\\\GLOBALROOT\\\\ArcName\\\\multi(0)disk(0)rdisk(0)partition(1)\" fullword wide\r\n $s3 = \"\\\\\\\\.\\\\pipe\\\\%ws\" fullword wide\r\n $s4 = \"fsutil usn deletejournal /D %c:\" fullword wide\r\n $s5 = \"Run DECRYPT app at your desktop after system boot\" fullword ascii\r\n $s6 = \"Files decryption completed\" fullword wide\r\n $s7 = \"Disable your anti-virus and anti-malware programs\" fullword wide\r\n $s8 = \"SYSTEM\\\\CurrentControlSet\\\\services\\\\%ws\" fullword wide\r\n $s9 = \"process call create \\\"C:\\\\Windows\\\\System32\\\\rundll32.exe\" fullword wide\r\n $s10 = \"%ws C:\\\\Windows\\\\%ws,#1 %ws\" fullword wide\r\n condition:\r\n uint16(0) == 0x5a4d and filesize < 700KB and ( 1 of ($x*) or 2 of them )\r\n}\r\n\r\nrule BadRabbit_Mimikatz_Comp {\r\n meta:\r\n description = \"Auto-generated rule - file 2f8c54f9fa8e47596a3beff0031f85360e56840c77f71c6a573ace6f46412035\"\r\n author = \"Florian Roth\"\r\n reference = \"https://pastebin.com/Y7pJv3tK\"\r\n date = \"2017-10-25\"\r\n hash1 = \"2f8c54f9fa8e47596a3beff0031f85360e56840c77f71c6a573ace6f46412035\"\r\n strings:\r\n $s1 = \"%lS%lS%lS:%lS\" fullword wide\r\n $s2 = \"lsasrv\" fullword wide\r\n $s3 = \"CredentialKeys\" ascii\r\n /* Primary\\x00m\\x00s\\x00v */\r\n $s4 = { 50 72 69 6D 61 72 79 00 6D 00 73 00 76 00 }\r\n condition:\r\n ( uint16(0) == 0x5a4d and filesize < 200KB and 3 of them )\r\n}]", "pattern_type": "yara", "valid_from": "2017-10-26T06:27:02Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Artifacts dropped" } ], "labels": [ "misp:type=\"yara\"", "misp:category=\"Artifacts dropped\"" ] }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--59f18068-b310-4af4-b948-c888950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-10-26T06:27:52.000Z", "modified": "2017-10-26T06:27:52.000Z", "first_observed": "2017-10-26T06:27:52Z", "last_observed": "2017-10-26T06:27:52Z", "number_observed": 1, "object_refs": [ "url--59f18068-b310-4af4-b948-c888950d210f" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--59f18068-b310-4af4-b948-c888950d210f", "value": "https://twitter.com/cyb3rops/status/923081818013945856" }, { "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" } } ] }