2023-04-21 14:44:17 +00:00
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{
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"type": "bundle",
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"id": "bundle--59f18020-36dc-4973-8c98-4156950d210f",
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"objects": [
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{
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"type": "identity",
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"spec_version": "2.1",
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"id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-10-26T09:39:04.000Z",
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"modified": "2017-10-26T09:39:04.000Z",
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"name": "CIRCL",
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"identity_class": "organization"
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},
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{
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"type": "grouping",
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"spec_version": "2.1",
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"id": "grouping--59f18020-36dc-4973-8c98-4156950d210f",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-10-26T09:39:04.000Z",
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"modified": "2017-10-26T09:39:04.000Z",
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"name": "OSINT - Bad Rabbit Yara rules",
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"context": "suspicious-activity",
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"object_refs": [
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"indicator--59f18036-3758-45d3-ae6c-42b6950d210f",
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"observed-data--59f18068-b310-4af4-b948-c888950d210f",
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"url--59f18068-b310-4af4-b948-c888950d210f"
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],
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"labels": [
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"Threat-Report",
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"misp:tool=\"MISP-STIX-Converter\"",
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"type:OSINT",
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"malware_classification:malware-category=\"Ransomware\"",
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"misp-galaxy:ransomware=\"Bad Rabbit\""
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],
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"object_marking_refs": [
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"marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9"
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]
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},
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{
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"type": "indicator",
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"spec_version": "2.1",
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"id": "indicator--59f18036-3758-45d3-ae6c-42b6950d210f",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-10-26T06:27:02.000Z",
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"modified": "2017-10-26T06:27:02.000Z",
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"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}]",
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"pattern_type": "yara",
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2023-12-14 14:30:15 +00:00
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"pattern_version": "2.1",
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2023-04-21 14:44:17 +00:00
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"valid_from": "2017-10-26T06:27:02Z",
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"kill_chain_phases": [
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{
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"kill_chain_name": "misp-category",
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"phase_name": "Artifacts dropped"
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}
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],
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"labels": [
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"misp:type=\"yara\"",
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"misp:category=\"Artifacts dropped\""
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]
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},
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{
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"type": "observed-data",
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"spec_version": "2.1",
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"id": "observed-data--59f18068-b310-4af4-b948-c888950d210f",
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"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
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"created": "2017-10-26T06:27:52.000Z",
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"modified": "2017-10-26T06:27:52.000Z",
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"first_observed": "2017-10-26T06:27:52Z",
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"last_observed": "2017-10-26T06:27:52Z",
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"number_observed": 1,
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"object_refs": [
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"url--59f18068-b310-4af4-b948-c888950d210f"
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],
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"labels": [
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"misp:type=\"link\"",
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"misp:category=\"External analysis\""
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]
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},
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{
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"type": "url",
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"spec_version": "2.1",
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"id": "url--59f18068-b310-4af4-b948-c888950d210f",
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"value": "https://twitter.com/cyb3rops/status/923081818013945856"
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},
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{
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"type": "marking-definition",
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"spec_version": "2.1",
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"id": "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9",
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"created": "2017-01-20T00:00:00.000Z",
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"definition_type": "tlp",
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"name": "TLP:WHITE",
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"definition": {
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"tlp": "white"
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}
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}
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]
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}
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