{ "type": "bundle", "id": "bundle--5b1a247e-2ca0-4132-9210-4b5c950d210f", "objects": [ { "type": "identity", "spec_version": "2.1", "id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-13T12:09:19.000Z", "modified": "2018-06-13T12:09:19.000Z", "name": "CIRCL", "identity_class": "organization" }, { "type": "report", "spec_version": "2.1", "id": "report--5b1a247e-2ca0-4132-9210-4b5c950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-13T12:09:19.000Z", "modified": "2018-06-13T12:09:19.000Z", "name": "OSINT - PLEAD Downloader Used by BlackTech", "published": "2018-06-13T15:38:35Z", "object_refs": [ "observed-data--5b1a2875-c1a4-4f26-bd0e-4114950d210f", "url--5b1a2875-c1a4-4f26-bd0e-4114950d210f", "x-misp-attribute--5b1a288c-3f38-4fe7-ae67-4bf8950d210f", "indicator--5b1a3368-3038-4087-9526-48ad950d210f", "indicator--5b1a3369-e80c-44c4-9aea-4ac3950d210f", "indicator--5b1a336a-8174-4113-8e83-40b1950d210f", "indicator--5b1a336b-1bac-43b5-a0b3-4d10950d210f", "indicator--5b1a336c-85bc-4802-b014-4eda950d210f", "x-misp-object--5b1a2658-b030-445a-a759-4d35950d210f", "indicator--5b1a2d6a-5750-4781-8f5b-4851950d210f", "indicator--5b1a2da7-ed88-444a-89e2-4906950d210f", "indicator--5b1a306c-bd54-4540-a856-45c0950d210f", "indicator--5b1a30f7-6900-4a9a-bbb4-4302950d210f", "indicator--5b1a3296-49dc-44e9-92a5-49e3950d210f", "x-misp-object--a0d856e3-b418-4bb2-b43d-6d49deb9ad90", "x-misp-object--73db3348-942a-4a3d-b49c-2b583a468f0e", "x-misp-object--4219f752-d15a-432c-a61f-96110776542c", "x-misp-object--14f64b5c-4b8f-466f-adb7-6ae747ea8d3a", "x-misp-object--b1043de8-cbda-4643-ba40-b859674fcb3b", "x-misp-object--94567159-8daf-424a-931c-a92997695b6e", "x-misp-object--e31dadf4-722b-4f28-aae2-7970b10d50f7", "x-misp-object--12242c4a-f4d9-444f-abd3-27deff5869a1", "relationship--c7de7968-0a27-4c01-aeb1-54cb702d9c30", "relationship--ad165cb7-a81f-471f-932c-930a40c07943", "relationship--d09b1d0b-1353-481f-a85e-12d9fa9063ca", "relationship--cb804941-1b13-4669-ac45-652bc33e00bb" ], "labels": [ "Threat-Report", "misp:tool=\"MISP-STIX-Converter\"", "circl:incident-classification=\"malware\"", "osint:source-type=\"blog-post\"", "ms-caro-malware:malware-type=\"RemoteAccess\"", "misp-galaxy:tool=\"PLEAD Downloader\"" ], "object_marking_refs": [ "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9" ] }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--5b1a2875-c1a4-4f26-bd0e-4114950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T06:56:20.000Z", "modified": "2018-06-08T06:56:20.000Z", "first_observed": "2018-06-08T06:56:20Z", "last_observed": "2018-06-08T06:56:20Z", "number_observed": 1, "object_refs": [ "url--5b1a2875-c1a4-4f26-bd0e-4114950d210f" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"", "osint:source-type=\"blog-post\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--5b1a2875-c1a4-4f26-bd0e-4114950d210f", "value": "https://blog.jpcert.or.jp/2018/06/plead-downloader-used-by-blacktech.html" }, { "type": "x-misp-attribute", "spec_version": "2.1", "id": "x-misp-attribute--5b1a288c-3f38-4fe7-ae67-4bf8950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T06:56:28.000Z", "modified": "2018-06-08T06:56:28.000Z", "labels": [ "misp:type=\"text\"", "misp:category=\"External analysis\"", "osint:source-type=\"blog-post\"" ], "x_misp_category": "External analysis", "x_misp_type": "text", "x_misp_value": "In a past article, we introduced TSCookie, malware which seems to be used by BlackTech[1]. It has been revealed that this actor also uses another type of malware \u00e2\u20ac\u0153PLEAD\u00e2\u20ac\u009d. (\u00e2\u20ac\u0153PLEAD\u00e2\u20ac\u009d is referred to both as a name of malware including TSCookie and its attack campaign [2]. In this article, we refer to \u00e2\u20ac\u0153PLEAD\u00e2\u20ac\u009d as a type malware apart from TSCookie.) PLEAD has two kinds \u00e2\u20ac\u201c RAT (Remote Access Tool) and downloader. The RAT operates based on commands that are provided from C&C servers.\u00e3\u20ac\u20ac(Please refer to a blog post from LAC for more information [3].) On the other hand, PLEAD downloader downloads modules and runs it on memory in the same way as TSCookie does.\r\n\r\nThis article presents behaviour of PLEAD downloader in detail." }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a3368-3038-4087-9526-48ad950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:42:32.000Z", "modified": "2018-06-08T07:42:32.000Z", "description": "C&C Servers", "pattern": "[domain-name:value = 'em.totalpople.info']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2018-06-08T07:42:32Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Network activity" } ], "labels": [ "misp:type=\"hostname\"", "misp:category=\"Network activity\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a3369-e80c-44c4-9aea-4ac3950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": 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"misp:type=\"hostname\"", "misp:category=\"Network activity\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a336b-1bac-43b5-a0b3-4d10950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:42:35.000Z", "modified": "2018-06-08T07:42:35.000Z", "description": "C&C Servers", "pattern": "[domain-name:value = 'woc.yasonbin.info']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2018-06-08T07:42:35Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Network activity" } ], "labels": [ "misp:type=\"hostname\"", "misp:category=\"Network activity\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a336c-85bc-4802-b014-4eda950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:42:36.000Z", "modified": "2018-06-08T07:42:36.000Z", "description": "C&C Servers", "pattern": "[network-traffic:dst_ref.type = 'ipv4-addr' AND network-traffic:dst_ref.value = '210.71.209.206']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2018-06-08T07:42:36Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Network activity" } ], "labels": [ "misp:type=\"ip-dst\"", "misp:category=\"Network activity\"", "misp:to_ids=\"True\"" ] }, { "type": "x-misp-object", "spec_version": "2.1", "id": "x-misp-object--5b1a2658-b030-445a-a759-4d35950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T06:46:48.000Z", "modified": "2018-06-08T06:46:48.000Z", "labels": [ "misp:name=\"microblog\"", "misp:meta-category=\"misc\"" ], "x_misp_attributes": [ { "type": "text", "object_relation": "post", "value": "New Blog Post: PLEAD Downloader Used by BlackTech ^ST", "category": "Other", "uuid": "5b1a2658-cc14-4c7f-8628-4f2d950d210f" }, { "type": "text", "object_relation": "type", "value": "Twitter", "category": "Other", "uuid": "5b1a2658-532c-44e0-a108-4a3e950d210f" }, { "type": "url", "object_relation": "url", "value": "https://mobile.twitter.com/jpcert_en/status/1004964546195279872", "category": "Network activity", "to_ids": true, "uuid": "5b1a2658-2a94-4db5-8438-4423950d210f" }, { "type": "url", "object_relation": "link", "value": "https://t.co/keNYZ2kyzs?amp=1", "category": "Network activity", "to_ids": true, "uuid": "5b1a2659-9eb4-47eb-8195-4a47950d210f" }, { "type": "url", "object_relation": "link", "value": "https://blog.jpcert.or.jp/2018/06/plead-downloader-used-by-blacktech.html", "category": "Payload delivery", "to_ids": true, "uuid": "5b1a2659-8ef8-4001-a42a-444c950d210f" }, { "type": "datetime", "object_relation": "creation-date", "value": "2018-06-08T07:53:00", "category": "Other", "uuid": "5b1a265a-f408-4e74-ae87-4927950d210f" }, { "type": "text", "object_relation": "username", "value": "@jpcert_en", "category": "Other", "uuid": "5b1a265a-d9d0-486b-8a42-4f6c950d210f" } ], "x_misp_meta_category": "misc", "x_misp_name": "microblog" }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a2d6a-5750-4781-8f5b-4851950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:16:58.000Z", "modified": "2018-06-08T07:16:58.000Z", "description": "PLEAD", "pattern": "[file:hashes.SHA256 = 'bc2c8cc9896cdd5816509f43cb5dca7433198251d754a997a70db7e8ed5cca40' AND file:x_misp_state = 'Malicious']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2018-06-08T07:16:58Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "file" } ], "labels": [ "misp:name=\"file\"", "misp:meta-category=\"file\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a2da7-ed88-444a-89e2-4906950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:17:59.000Z", "modified": "2018-06-08T07:17:59.000Z", 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"phase_name": "file" } ], "labels": [ "misp:name=\"file\"", "misp:meta-category=\"file\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a30f7-6900-4a9a-bbb4-4302950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2018-06-08T07:32:07.000Z", "modified": "2018-06-08T07:32:07.000Z", "description": "PLEAD", "pattern": "[file:hashes.SHA256 = 'eec3f761f7eabe9ed569f39e896be24c9bbb8861b15dbde1b3d539505cd9dd8d' AND file:x_misp_state = 'Malicious']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2018-06-08T07:32:07Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "file" } ], "labels": [ "misp:name=\"file\"", "misp:meta-category=\"file\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--5b1a3296-49dc-44e9-92a5-49e3950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": 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