{ "Event": { "analysis": "2", "date": "2023-11-21", "extends_uuid": "", "info": "BiBi-Linux: A New Wiper Dropped By Pro-Hamas Hacktivist Group", "publish_timestamp": "1700581522", "published": true, "threat_level_id": "2", "timestamp": "1700581494", "uuid": "276f7055-c5e0-4b14-8645-c7028d0c74aa", "Orgc": { "name": "CIRCL", "uuid": "55f6ea5e-2c60-40e5-964f-47a8950d210f" }, "Tag": [ { "colour": "#004646", "local": false, "name": "type:OSINT", "relationship_type": "" }, { "colour": "#0071c3", "local": false, "name": "osint:lifetime=\"perpetual\"", "relationship_type": "" }, { "colour": "#0087e8", "local": false, "name": "osint:certainty=\"50\"", "relationship_type": "" }, { "colour": "#ffffff", "local": false, "name": "tlp:white", "relationship_type": "" }, { "colour": "#ffffff", "local": false, "name": "tlp:clear", "relationship_type": "" }, { "colour": "#0088cc", "local": false, "name": "misp-galaxy:country=\"israel\"", "relationship_type": "targets" } ], "Attribute": [ { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1700580272", "to_ids": true, "type": "sha256", "uuid": "c00c5b6f-29b8-447f-a3f0-030ff96853aa", "value": "23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad" } ], "Object": [ { "comment": "23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad: Enriched via the virustotal module", "deleted": false, "description": "VirusTotal report", "meta-category": "misc", "name": "virustotal-report", "template_uuid": "d7dd0154-e04f-4c34-a2fb-79f3a3a52aa4", "template_version": "4", "timestamp": "1700580284", "uuid": "6b711ec1-b53c-48f5-8436-50388d503f55", "Attribute": [ { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "permalink", "timestamp": "1700580284", "to_ids": false, "type": "link", "uuid": "c9e9a95d-26dd-404e-a526-c6494f963be3", "value": "https://www.virustotal.com/gui/file/23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad" }, { "category": "Other", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "detection-ratio", "timestamp": "1700580284", "to_ids": false, "type": "text", "uuid": "c1ccaba3-d7cb-4275-be5b-48976a54104c", "value": "38/63" } ] }, { "comment": "23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad: Enriched via the virustotal module", "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": "24", "timestamp": "1700580284", "uuid": "b9746ab6-34ac-4d64-9a17-f42c542ecb5f", "Attribute": [ { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "md5", "timestamp": "1700580284", "to_ids": true, "type": "md5", "uuid": "8a202419-2ef5-453a-8215-fb12460d9b37", "value": "de9da4fcfb8320b9d34239effce1871a" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha1", "timestamp": "1700580284", "to_ids": true, "type": "sha1", "uuid": "4ac3e468-aa65-420e-9c20-e72e66f2f586", "value": "0dbabdc1ae8c3c8a48224ee3c3e8b6a17f41d6e7" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "sha256", "timestamp": "1700580284", "to_ids": true, "type": "sha256", "uuid": "a70c149b-1e87-4118-9b42-cfed404722a5", "value": "23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "tlsh", "timestamp": "1700580284", "to_ids": true, "type": "tlsh", "uuid": "e31b3abf-c66e-40d1-874a-aded1fea7a77", "value": "t1e8452a17bea354fdc1a6d4344b5bc5f3ac2478944321393b3295db312ea6e200b6dbb9" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "vhash", "timestamp": "1700580284", "to_ids": true, "type": "vhash", "uuid": "fa28bec1-a8f8-46aa-82ee-5234bbcc4b5b", "value": "e55425d7c7ad5e18ddaa4e29cf9aa676" }, { "category": "Payload delivery", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "ssdeep", "timestamp": "1700580284", "to_ids": true, "type": "ssdeep", "uuid": "0e374fc4-fd1d-4564-9b66-1f2c05e59f70", "value": "12288:S9Xgj1wC07PZOqLNj6rcTl9VZynUG6HHWxDMG4sTcaQNS8DfYX:SWj6R7PZOqLN8cTl9VZYUbgqfY" } ] }, { "comment": "", "deleted": false, "description": "An object describing a YARA rule (or a YARA rule name) along with its version.", "meta-category": "misc", "name": "yara", "template_uuid": "b5acf82e-ecca-4868-82fe-9dbdf4d808c3", "template_version": "6", "timestamp": "1700580437", "uuid": "6219119e-914a-4bb2-b30e-422fed8d3f4b", "Attribute": [ { "category": "Other", "comment": "", "deleted": false, "disable_correlation": true, "object_relation": "context", "timestamp": "1700580437", "to_ids": false, "type": "text", "uuid": "6f396c0f-fc92-438f-9cb9-6090e0baa87e", "value": "all" }, { "category": "Payload installation", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "yara", "timestamp": "1700580437", "to_ids": true, "type": "yara", "uuid": "3bf820ba-bf26-4833-a4d7-e47ca110b839", "value": "rule MAL_WIPER_BiBi_Oct23 {\r\n meta:\r\n description = \"Detects BiBi wiper samples for Windows and Linux\"\r\n author = \"Florian Roth\"\r\n reference = \"https://x.com/ESETresearch/status/1719437301900595444?s=20\"\r\n date = \"2023-11-01\"\r\n hash1 = \"23bae09b5699c2d5c4cb1b8aa908a3af898b00f88f06e021edcb16d7d558efad\"\r\n hash2 = \"40417e937cd244b2f928150cae6fa0eff5551fdb401ea072f6ecdda67a747e17\"\r\n strings:\r\n $s1 = \"send attempt while closed\" ascii fullword\r\n $s2 = \"[+] CPU cores: %d, Threads: %d\" ascii fullword\r\n $s3 = \"[+] Stats: %d | %d\" ascii fullword\r\n\r\n $opw1 = { 33 c0 88 45 48 b8 01 00 00 00 86 45 48 45 8b f5 48 8d 3d de f5 ff ff 0f 57 c9 f3 0f 7f 4d b8 }\r\n $opw2 = { 2d ce b5 00 00 c5 fa e6 f5 e9 40 fe ff ff 0f 1f 44 00 00 75 2e c5 fb 10 0d 26 b4 00 00 44 8b 05 5f b6 00 00 e8 ca 0d 00 00 }\r\n\r\n $opl1 = { 4c 8d 44 24 08 48 89 f7 48 ff c2 48 83 c6 04 e8 c7 fb ff ff 41 89 c1 0f b6 42 ff 41 0f af c1 }\r\n $opl2 = { e8 6f fb ff ff 49 8d 78 f8 89 c0 48 01 c2 48 89 15 09 fb 24 00 e8 5a fb ff ff 49 8d 78 fc 6b f0 06 } \r\n condition:\r\n ( uint16(0) == 0x5a4d or uint16(0) == 0x457f )\r\n and filesize < 4000KB\r\n and 2 of them\r\n}" }, { "category": "Other", "comment": "", "deleted": false, "disable_correlation": false, "object_relation": "yara-rule-name", "timestamp": "1700580437", "to_ids": false, "type": "text", "uuid": "b30d85f5-2a31-4206-97c9-3d6a9ed85370", "value": "MAL_WIPER_BiBi_Oct23" } ] } ] } }