{
	"id": "7d2a3fd7-0a6c-46f4-b215-67fdf68c9088",
	"created_at": "2026-04-06T00:21:57.438505Z",
	"updated_at": "2026-04-10T03:37:04.231172Z",
	"deleted_at": null,
	"sha1_hash": "123e3fe9a342e01c47948e132ef93f0768f6dabc",
	"title": "QuietSieve (Malware Family)",
	"llm_title": "",
	"authors": "",
	"file_creation_date": "0001-01-01T00:00:00Z",
	"file_modification_date": "0001-01-01T00:00:00Z",
	"file_size": 37110,
	"plain_text": "QuietSieve (Malware Family)\r\nBy Fraunhofer FKIE\r\nArchived: 2026-04-05 13:23:28 UTC\r\nwin.quietsieve (Back to overview)\r\nQuietSieve\r\nActor(s): Gamaredon Group\r\nAccording to Microsoft, this is a heavily obfuscated .NET malware, primarily geared towards the exfiltration of\r\ndata from the compromised host. But it can also receive and execute a remote payload from the operator.\r\nReferences\r\n2022-02-04 ⋅ Microsoft ⋅ Microsoft Digital Security Unit (DSU), Microsoft Threat Intelligence Center (MSTIC)\r\nACTINIUM targets Ukrainian organizations\r\nDilongTrash DinoTrain Pteranodon QuietSieve Gamaredon Group\r\n2022-02-04 ⋅ Microsoft ⋅ Microsoft Digital Security Unit (DSU), Microsoft Threat Intelligence\r\nACTINIUM targets Ukrainian organizations\r\nPteranodon QuietSieve DEV-0586\r\nThere is no Yara-Signature yet.\r\nSource: https://malpedia.caad.fkie.fraunhofer.de/details/win.quietsieve\r\nhttps://malpedia.caad.fkie.fraunhofer.de/details/win.quietsieve\r\nPage 1 of 1",
	"extraction_quality": 1,
	"language": "EN",
	"sources": [
		"ETDA"
	],
	"references": [
		"https://malpedia.caad.fkie.fraunhofer.de/details/win.quietsieve"
	],
	"report_names": [
		"win.quietsieve"
	],
	"threat_actors": [
		{
			"id": "81bd7107-6b2d-45c9-9eea-1843d4b9b308",
			"created_at": "2022-10-25T15:50:23.320841Z",
			"updated_at": "2026-04-10T02:00:05.356444Z",
			"deleted_at": null,
			"main_name": "Gamaredon Group",
			"aliases": [
				"Gamaredon Group",
				"IRON TILDEN",
				"Primitive Bear",
				"ACTINIUM",
				"Armageddon",
				"Shuckworm",
				"DEV-0157",
				"Aqua Blizzard"
			],
			"source_name": "MITRE:Gamaredon Group",
			"tools": [
				"QuietSieve",
				"Pteranodon",
				"Remcos",
				"PowerPunch"
			],
			"source_id": "MITRE",
			"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": "d5156b55-5d7d-4fb2-836f-861d2e868147",
			"created_at": "2023-01-06T13:46:38.557326Z",
			"updated_at": "2026-04-10T02:00:03.023048Z",
			"deleted_at": null,
			"main_name": "Gamaredon Group",
			"aliases": [
				"ACTINIUM",
				"DEV-0157",
				"Blue Otso",
				"G0047",
				"IRON TILDEN",
				"PRIMITIVE BEAR",
				"Shuckworm",
				"UAC-0010",
				"BlueAlpha",
				"Trident Ursa",
				"Winterflounder",
				"Aqua Blizzard",
				"Actinium"
			],
			"source_name": "MISPGALAXY:Gamaredon Group",
			"tools": [],
			"source_id": "MISPGALAXY",
			"reports": null
		},
		{
			"id": "bdbf873a-048d-4c5d-9d92-922327cc83a8",
			"created_at": "2023-01-06T13:46:39.387696Z",
			"updated_at": "2026-04-10T02:00:03.310459Z",
			"deleted_at": null,
			"main_name": "DEV-0586",
			"aliases": [
				"Ruinous Ursa",
				"Cadet Blizzard"
			],
			"source_name": "MISPGALAXY:DEV-0586",
			"tools": [],
			"source_id": "MISPGALAXY",
			"reports": null
		},
		{
			"id": "025b7171-98f8-4391-adc2-66333629c715",
			"created_at": "2023-06-23T02:04:34.120175Z",
			"updated_at": "2026-04-10T02:00:04.599019Z",
			"deleted_at": null,
			"main_name": "Cadet Blizzard",
			"aliases": [
				"DEV-0586",
				"Operation Bleeding Bear",
				"Ruinous Ursa"
			],
			"source_name": "ETDA:Cadet Blizzard",
			"tools": [
				"GO Simple Tunnel",
				"GOST",
				"Impacket",
				"LOLBAS",
				"LOLBins",
				"Living off the Land",
				"P0wnyshell",
				"PAYWIPE",
				"Ponyshell",
				"Pownyshell",
				"WhisperGate",
				"WhisperKill",
				"netcat",
				"reGeorg"
			],
			"source_id": "ETDA",
			"reports": null
		},
		{
			"id": "61940e18-8f90-4ecc-bc06-416c54bc60f9",
			"created_at": "2022-10-25T16:07:23.659529Z",
			"updated_at": "2026-04-10T02:00:04.703976Z",
			"deleted_at": null,
			"main_name": "Gamaredon Group",
			"aliases": [
				"Actinium",
				"Aqua Blizzard",
				"Armageddon",
				"Blue Otso",
				"BlueAlpha",
				"Callisto",
				"DEV-0157",
				"G0047",
				"Iron Tilden",
				"Operation STEADY#URSA",
				"Primitive Bear",
				"SectorC08",
				"Shuckworm",
				"Trident Ursa",
				"UAC-0010",
				"UNC530",
				"Winterflounder"
			],
			"source_name": "ETDA:Gamaredon Group",
			"tools": [
				"Aversome infector",
				"BoneSpy",
				"DessertDown",
				"DilongTrash",
				"DinoTrain",
				"EvilGnome",
				"FRAUDROP",
				"Gamaredon",
				"GammaDrop",
				"GammaLoad",
				"GammaSteel",
				"Gussdoor",
				"ObfuBerry",
				"ObfuMerry",
				"PlainGnome",
				"PowerPunch",
				"Pteranodon",
				"Pterodo",
				"QuietSieve",
				"Remcos",
				"RemcosRAT",
				"Remote Manipulator System",
				"Remvio",
				"Resetter",
				"RuRAT",
				"SUBTLE-PAWS",
				"Socmer",
				"UltraVNC"
			],
			"source_id": "ETDA",
			"reports": null
		},
		{
			"id": "236a8303-bf12-4787-b6d0-549b44271a19",
			"created_at": "2024-06-04T02:03:07.966137Z",
			"updated_at": "2026-04-10T02:00:03.706923Z",
			"deleted_at": null,
			"main_name": "IRON TILDEN",
			"aliases": [
				"ACTINIUM ",
				"Aqua Blizzard ",
				"Armageddon",
				"Blue Otso ",
				"BlueAlpha ",
				"Dancing Salome ",
				"Gamaredon",
				"Gamaredon Group",
				"Hive0051 ",
				"Primitive Bear ",
				"Shuckworm ",
				"Trident Ursa ",
				"UAC-0010 ",
				"UNC530 ",
				"WinterFlounder "
			],
			"source_name": "Secureworks:IRON TILDEN",
			"tools": [
				"Pterodo"
			],
			"source_id": "Secureworks",
			"reports": null
		}
	],
	"ts_created_at": 1775434917,
	"ts_updated_at": 1775792224,
	"ts_creation_date": 0,
	"ts_modification_date": 0,
	"files": {
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}