{
	"id": "21f6166e-dea8-47dc-bbd5-598943dcd453",
	"created_at": "2026-04-06T00:17:40.890495Z",
	"updated_at": "2026-04-10T03:35:37.736286Z",
	"deleted_at": null,
	"sha1_hash": "1ac4dbf26967bbff124315382b3d20db23b4b75f",
	"title": "GraphSteel (Malware Family)",
	"llm_title": "",
	"authors": "",
	"file_creation_date": "0001-01-01T00:00:00Z",
	"file_modification_date": "0001-01-01T00:00:00Z",
	"file_size": 28319,
	"plain_text": "GraphSteel (Malware Family)\r\nBy Fraunhofer FKIE\r\nArchived: 2026-04-05 15:33:49 UTC\r\nThis malware was seen during the cyberattacks on Ukrainian state organizations. It is one of two used backdoors\r\nwritten in Go and attributed to UAC-0056 (SaintBear, UNC2589, TA471).\r\n[TLP:WHITE] win_graphsteel_auto (20251219 | Detects win.graphsteel.)\r\nSource: https://malpedia.caad.fkie.fraunhofer.de/details/win.graphsteel\r\nhttps://malpedia.caad.fkie.fraunhofer.de/details/win.graphsteel\r\nPage 1 of 1",
	"extraction_quality": 1,
	"language": "EN",
	"sources": [
		"ETDA",
		"MISPGALAXY",
		"Malpedia"
	],
	"references": [
		"https://malpedia.caad.fkie.fraunhofer.de/details/win.graphsteel"
	],
	"report_names": [
		"win.graphsteel"
	],
	"threat_actors": [
		{
			"id": "eecf54a2-2deb-41e5-9857-fed94a53f858",
			"created_at": "2023-01-06T13:46:39.349959Z",
			"updated_at": "2026-04-10T02:00:03.296196Z",
			"deleted_at": null,
			"main_name": "SaintBear",
			"aliases": [
				"Bleeding Bear",
				"Cadet Blizzard",
				"Nascent Ursa",
				"Nodaria",
				"Storm-0587",
				"DEV-0587",
				"Saint Bear",
				"EMBER BEAR",
				"UNC2589",
				"TA471",
				"UAC-0056",
				"FROZENVISTA",
				"Lorec53",
				"Lorec Bear"
			],
			"source_name": "MISPGALAXY:SaintBear",
			"tools": [],
			"source_id": "MISPGALAXY",
			"reports": null
		},
		{
			"id": "c28760b2-5ec6-42ad-852f-be00372a7ce4",
			"created_at": "2022-10-27T08:27:13.172734Z",
			"updated_at": "2026-04-10T02:00:05.279557Z",
			"deleted_at": null,
			"main_name": "Ember Bear",
			"aliases": [
				"Ember Bear",
				"UNC2589",
				"Bleeding Bear",
				"DEV-0586",
				"Cadet Blizzard",
				"Frozenvista",
				"UAC-0056"
			],
			"source_name": "MITRE:Ember Bear",
			"tools": [
				"P.A.S. Webshell",
				"CrackMapExec",
				"ngrok",
				"reGeorg",
				"WhisperGate",
				"Saint Bot",
				"PsExec",
				"Rclone",
				"Impacket"
			],
			"source_id": "MITRE",
			"reports": null
		},
		{
			"id": "03a6f362-cbab-4ce9-925d-306b8c937bf1",
			"created_at": "2024-11-01T02:00:52.635907Z",
			"updated_at": "2026-04-10T02:00:05.339384Z",
			"deleted_at": null,
			"main_name": "Saint Bear",
			"aliases": [
				"Saint Bear",
				"Storm-0587",
				"TA471",
				"UAC-0056",
				"Lorec53"
			],
			"source_name": "MITRE:Saint Bear",
			"tools": [
				"OutSteel",
				"Saint Bot"
			],
			"source_id": "MITRE",
			"reports": null
		},
		{
			"id": "083d63b2-3eee-42a8-b1bd-54e657a229e8",
			"created_at": "2022-10-25T16:07:24.143338Z",
			"updated_at": "2026-04-10T02:00:04.879634Z",
			"deleted_at": null,
			"main_name": "SaintBear",
			"aliases": [
				"Ember Bear",
				"FROZENVISTA",
				"G1003",
				"Lorec53",
				"Nascent Ursa",
				"Nodaria",
				"SaintBear",
				"Storm-0587",
				"TA471",
				"UAC-0056",
				"UNC2589"
			],
			"source_name": "ETDA:SaintBear",
			"tools": [
				"Agentemis",
				"Cobalt Strike",
				"CobaltStrike",
				"Elephant Client",
				"Elephant Implant",
				"GraphSteel",
				"Graphiron",
				"GrimPlant",
				"OutSteel",
				"Saint Bot",
				"SaintBot",
				"cobeacon"
			],
			"source_id": "ETDA",
			"reports": null
		}
	],
	"ts_created_at": 1775434660,
	"ts_updated_at": 1775792137,
	"ts_creation_date": 0,
	"ts_modification_date": 0,
	"files": {
		"pdf": "https://archive.orkl.eu/1ac4dbf26967bbff124315382b3d20db23b4b75f.pdf",
		"text": "https://archive.orkl.eu/1ac4dbf26967bbff124315382b3d20db23b4b75f.txt",
		"img": "https://archive.orkl.eu/1ac4dbf26967bbff124315382b3d20db23b4b75f.jpg"
	}
}