{ "Event": { "analysis": "2", "date": "2017-07-30", "extends_uuid": "", "info": "OSINT - CowerSnail, from the creators of SambaCry", "publish_timestamp": "1501433690", "published": true, "threat_level_id": "3", "timestamp": "1501433663", "uuid": "597e0ba4-29e0-4ae1-a8a3-ae4f02de0b81", "Orgc": { "name": "CIRCL", "uuid": "55f6ea5e-2c60-40e5-964f-47a8950d210f" }, "Tag": [ { "colour": "#0088cc", "local": false, "name": "misp-galaxy:tool=\"CowerSnail\"", "relationship_type": "" }, { "colour": "#ffffff", "local": false, "name": "tlp:white", "relationship_type": "" }, { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ], "Attribute": [ { "category": "Antivirus detection", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": false, "type": "text", "uuid": "597e0bba-9014-4e8e-b49d-48e4950d210f", "value": "Backdoor.Win32.CowerSnail" }, { "category": "Artifacts dropped", "comment": "Backdoor.Win32.CowerSnail", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": true, "type": "md5", "uuid": "597e0bd7-c6f8-4476-b5fb-4b8902de0b81", "value": "5460ac43725997798bab3eb6474d391f" }, { "category": "Network activity", "comment": "On port 20480", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": true, "type": "hostname", "uuid": "597e0beb-d978-430e-9a7b-425302de0b81", "value": "cl.ezreal.space" }, { "category": "Artifacts dropped", "comment": "Backdoor.Win32.CowerSnail - Xchecked via VT: 5460ac43725997798bab3eb6474d391f", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": true, "type": "sha256", "uuid": "597e0dd9-2cc0-4c1d-a9e9-43a502de0b81", "value": "3fb8a4d2ed4f662a4cb4270bb5f488b79c8758aa6fc5c8b119c78fba38d6b7d1" }, { "category": "Artifacts dropped", "comment": "Backdoor.Win32.CowerSnail - Xchecked via VT: 5460ac43725997798bab3eb6474d391f", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": true, "type": "sha1", "uuid": "597e0dd9-6f90-4623-a8a2-4fba02de0b81", "value": "08f423dd9ec9c03320377161f7d73cdac647a765" }, { "category": "External analysis", "comment": "Backdoor.Win32.CowerSnail - Xchecked via VT: 5460ac43725997798bab3eb6474d391f", "deleted": false, "disable_correlation": false, "timestamp": "1501433305", "to_ids": false, "type": "link", "uuid": "597e0dd9-3114-47d0-ad5f-4e9b02de0b81", "value": "https://www.virustotal.com/file/3fb8a4d2ed4f662a4cb4270bb5f488b79c8758aa6fc5c8b119c78fba38d6b7d1/analysis/1501280093/" }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1501433663", "to_ids": false, "type": "text", "uuid": "597e0f02-b4dc-4fcf-8e30-466d02de0b81", "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.", "Tag": [ { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ] }, { "category": "External analysis", "comment": "", "deleted": false, "disable_correlation": false, "timestamp": "1501433663", "to_ids": false, "type": "link", "uuid": "597e0f19-a7f4-49b1-af72-4d2602de0b81", "value": "https://securelist.com/cowersnail-from-the-creators-of-sambacry/79087/", "Tag": [ { "colour": "#00223b", "local": false, "name": "osint:source-type=\"blog-post\"", "relationship_type": "" } ] } ] } }