{ "type": "bundle", "id": "bundle--597e0ba4-29e0-4ae1-a8a3-ae4f02de0b81", "objects": [ { "type": "identity", "spec_version": "2.1", "id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:54:23.000Z", "modified": "2017-07-30T16:54:23.000Z", "name": "CIRCL", "identity_class": "organization" }, { "type": "report", "spec_version": "2.1", "id": "report--597e0ba4-29e0-4ae1-a8a3-ae4f02de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:54:23.000Z", "modified": "2017-07-30T16:54:23.000Z", "name": "OSINT - CowerSnail, from the creators of SambaCry", "published": "2017-07-30T16:54:50Z", "object_refs": [ "x-misp-attribute--597e0bba-9014-4e8e-b49d-48e4950d210f", "indicator--597e0bd7-c6f8-4476-b5fb-4b8902de0b81", "indicator--597e0beb-d978-430e-9a7b-425302de0b81", "indicator--597e0dd9-2cc0-4c1d-a9e9-43a502de0b81", "indicator--597e0dd9-6f90-4623-a8a2-4fba02de0b81", "observed-data--597e0dd9-3114-47d0-ad5f-4e9b02de0b81", "url--597e0dd9-3114-47d0-ad5f-4e9b02de0b81", "x-misp-attribute--597e0f02-b4dc-4fcf-8e30-466d02de0b81", "observed-data--597e0f19-a7f4-49b1-af72-4d2602de0b81", "url--597e0f19-a7f4-49b1-af72-4d2602de0b81" ], "labels": [ "Threat-Report", "misp:tool=\"MISP-STIX-Converter\"", "misp-galaxy:tool=\"CowerSnail\"", "osint:source-type=\"blog-post\"" ], "object_marking_refs": [ "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9" ] }, { "type": "x-misp-attribute", "spec_version": "2.1", "id": "x-misp-attribute--597e0bba-9014-4e8e-b49d-48e4950d210f", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "labels": [ "misp:type=\"text\"", "misp:category=\"Antivirus detection\"" ], "x_misp_category": "Antivirus detection", "x_misp_type": "text", "x_misp_value": "Backdoor.Win32.CowerSnail" }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--597e0bd7-c6f8-4476-b5fb-4b8902de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "description": "Backdoor.Win32.CowerSnail", "pattern": "[file:hashes.MD5 = '5460ac43725997798bab3eb6474d391f']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-07-30T16:48:25Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Artifacts dropped" } ], "labels": [ "misp:type=\"md5\"", "misp:category=\"Artifacts dropped\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--597e0beb-d978-430e-9a7b-425302de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "description": "On port 20480", "pattern": "[domain-name:value = 'cl.ezreal.space']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-07-30T16:48:25Z", "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--597e0dd9-2cc0-4c1d-a9e9-43a502de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "description": "Backdoor.Win32.CowerSnail - Xchecked via VT: 5460ac43725997798bab3eb6474d391f", "pattern": "[file:hashes.SHA256 = '3fb8a4d2ed4f662a4cb4270bb5f488b79c8758aa6fc5c8b119c78fba38d6b7d1']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-07-30T16:48:25Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Artifacts dropped" } ], "labels": [ "misp:type=\"sha256\"", "misp:category=\"Artifacts dropped\"", "misp:to_ids=\"True\"" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--597e0dd9-6f90-4623-a8a2-4fba02de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "description": "Backdoor.Win32.CowerSnail - Xchecked via VT: 5460ac43725997798bab3eb6474d391f", "pattern": "[file:hashes.SHA1 = '08f423dd9ec9c03320377161f7d73cdac647a765']", "pattern_type": "stix", "pattern_version": "2.1", "valid_from": "2017-07-30T16:48:25Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Artifacts dropped" } ], "labels": [ "misp:type=\"sha1\"", "misp:category=\"Artifacts dropped\"", "misp:to_ids=\"True\"" ] }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--597e0dd9-3114-47d0-ad5f-4e9b02de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:48:25.000Z", "modified": "2017-07-30T16:48:25.000Z", "first_observed": "2017-07-30T16:48:25Z", "last_observed": "2017-07-30T16:48:25Z", "number_observed": 1, "object_refs": [ "url--597e0dd9-3114-47d0-ad5f-4e9b02de0b81" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--597e0dd9-3114-47d0-ad5f-4e9b02de0b81", "value": "https://www.virustotal.com/file/3fb8a4d2ed4f662a4cb4270bb5f488b79c8758aa6fc5c8b119c78fba38d6b7d1/analysis/1501280093/" }, { "type": "x-misp-attribute", "spec_version": "2.1", "id": "x-misp-attribute--597e0f02-b4dc-4fcf-8e30-466d02de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:54:23.000Z", "modified": "2017-07-30T16:54:23.000Z", "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": "We recently reported about SambaCry, a new family of Linux Trojans exploiting a vulnerability in the Samba protocol. A week later, Kaspersky Lab analysts managed to detect a malicious program for Windows that was apparently created by the same group responsible for SambaCry. It was the common C&C server that both programs used \u00e2\u20ac\u201c cl.ezreal.space:20480 \u00e2\u20ac\u201c that suggested a relationship between them.\r\n\r\nKaspersky Lab products detect the new malicious program as Backdoor.Win32.CowerSnail. MD5: 5460AC43725997798BAB3EB6474D391F\r\n\r\nCowerSnail was compiled using Qt and linked with various libraries. This framework provides benefits such as cross-platform capability and transferability of the source code between different operating systems. This, however, has an effect on the resulting file size: the user code ends up as a small proportion of a large 3 MB file." }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--597e0f19-a7f4-49b1-af72-4d2602de0b81", "created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f", "created": "2017-07-30T16:54:23.000Z", "modified": "2017-07-30T16:54:23.000Z", "first_observed": "2017-07-30T16:54:23Z", "last_observed": "2017-07-30T16:54:23Z", "number_observed": 1, "object_refs": [ "url--597e0f19-a7f4-49b1-af72-4d2602de0b81" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"", "osint:source-type=\"blog-post\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--597e0f19-a7f4-49b1-af72-4d2602de0b81", "value": "https://securelist.com/cowersnail-from-the-creators-of-sambacry/79087/" }, { "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" } } ] }