{
	"id": "b06e3444-0ffb-4829-9b3c-cfccc5850f2a",
	"created_at": "2026-04-06T01:31:25.96523Z",
	"updated_at": "2026-04-10T03:38:19.418021Z",
	"deleted_at": null,
	"sha1_hash": "8c837a104de9bcf7216be990d777b45fbef73d46",
	"title": "Subgroup: Andariel, Silent Chollima - Threat Group Cards: A Threat Actor Encyclopedia",
	"llm_title": "",
	"authors": "",
	"file_creation_date": "0001-01-01T00:00:00Z",
	"file_modification_date": "0001-01-01T00:00:00Z",
	"file_size": 72005,
	"plain_text": "Subgroup: Andariel, Silent Chollima - Threat Group Cards: A\r\nThreat Actor Encyclopedia\r\nArchived: 2026-04-06 01:05:15 UTC\r\nHome \u003e List all groups \u003e Subgroup: Andariel, Silent Chollima\r\n APT group: Subgroup: Andariel, Silent Chollima\r\nNames\r\nAndariel (FSI)\r\nSilent Chollima (CrowdStrike)\r\nStonefly (Symantec)\r\nPlutonium (Microsoft)\r\nOnyx Sleet (Microsoft)\r\nAPT 45 (Mandiant)\r\nJumpy Pisces (Palo Alto)\r\nG0138 (MITRE)\r\nCountry North Korea\r\nMotivation Information theft and espionage\r\nFirst seen 2009\r\nDescription A subgroup of Lazarus Group, Hidden Cobra, Labyrinth Chollima.\r\nObserved\r\nTools used\r\nOperations performed\r\n2014\r\nOperation “BLACKMINE”\r\nTarget: South Korean organizations.\r\nMethod: Information theft and espionage.\r\n2014\r\nOperation “GHOSTRAT”\r\nTarget: Defense industry.\r\nMethod: Information theft and espionage.\r\n2014\r\nOperation “XEDA”\r\nTarget: Foreign defense industries.\r\nMethod: Information theft and espionage.\r\n2015\r\nOperation “INITROY”/Phase 1\r\nTarget: South Korean organizations.\r\nMethod: Information theft/early phase operation.\r\nhttps://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c\r\nPage 1 of 4\n\n2015\nOperation “DESERTWOLF”/Phase 3\nTarget: South Korean defense industry.\nMethod: Information theft and espionage.\n2015\nOperation “BLACKSHEEP”/Phase 3.\nTarget: Defense industry.\nMethod: Information theft and espionage.\n2016\nOperation “INITROY”/Phase 2\nTarget: South Korean organizations.\nMethod: Information theft/early phase operation.\n2016\nOperation “VANXATM”\nTarget: ATM companies.\nMethod: Financial theft/BPC.\n2017\nOperation “Mayday”\nTarget: South Koran Financial Company.\nMethod: Information theft and espionage.\nJun 2018\nOperation “GoldenAxe”\nApr 2021\nLazarus APT conceals malicious code within BMP image to drop its RAT\nJun 2021\nAndariel evolves to target South Korea with ransomware\nFeb 2022\nStonefly: North Korea-linked Spying Operation Continues to Hit High-value Targets\nAug 2022\nAndariel deploys DTrack and Maui ransomware\nOct 2022\nDPRK hacking groups breach South Korean defense contractors\nhttps://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c\nPage 2 of 4\n\nMar 2023\nOperation “Blacksmith”\nOperation Blacksmith: Lazarus targets organizations worldwide using novel\nTelegram-based malware written in DLang\nJun 2023\nAndariel’s silly mistakes and a new malware family\nOct 2023\nMultiple North Korean threat actors exploiting the TeamCity CVE-2023-\n42793 vulnerability\nNov 2023\nCircumstances of an Attack Exploiting an Asset Management Program\n(Andariel Group)\nNov 2023\nCircumstances of the Andariel Group Exploiting an Apache ActiveMQ\nVulnerability (CVE-2023-46604)\nDec 2023\nNorth Korean hackers stole anti-aircraft system data from South Korean\nfirm\nMar 2024\nAndariel Group Exploiting Korean Asset Management Solutions\n(MeshAgent)\nApr 2024\nNorth Korean hackers exploit VPN update flaw to install malware\nMay 2024\nAnalysis of APT Attack Cases Using Dora RAT Against Korean Companies\n(Andariel Group)\nAug 2024\nStonefly: Extortion Attacks Continue Against U.S. Targets\nMid 2024\nAnalysis of Attack Cases Against Korean Solutions by the Andariel Group\n(SmallTiger)\nhttps://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c\nPage 3 of 4\n\nOct 2024\nJumpy Pisces Engages in Play Ransomware\nCounter operations Jul 2024\nRewards for Justice – Reward Offer for Information on North Korean\nMalicious Cyber Actor Targeting U.S. Critical Infrastructure\nInformation\nMITRE ATT\u0026CK Last change to this card: 16 August 2025\nDownload this actor card in PDF or JSON format\nSource: https://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c\nhttps://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c\nPage 4 of 4",
	"extraction_quality": 1,
	"language": "EN",
	"sources": [
		"ETDA"
	],
	"references": [
		"https://apt.etda.or.th/cgi-bin/showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c"
	],
	"report_names": [
		"showcard.cgi?u=00089621-cabc-421a-b2ce-3fd18f6bfa9c"
	],
	"threat_actors": [
		{
			"id": "838f6ced-12a4-4893-991a-36d231d96efd",
			"created_at": "2022-10-25T15:50:23.347455Z",
			"updated_at": "2026-04-10T02:00:05.295717Z",
			"deleted_at": null,
			"main_name": "Andariel",
			"aliases": [
				"Andariel",
				"Silent Chollima",
				"PLUTONIUM",
				"Onyx Sleet"
			],
			"source_name": "MITRE:Andariel",
			"tools": [
				"Rifdoor",
				"gh0st RAT"
			],
			"source_id": "MITRE",
			"reports": null
		},
		{
			"id": "34eea331-d052-4096-ae03-a22f1d090bd4",
			"created_at": "2025-08-07T02:03:25.073494Z",
			"updated_at": "2026-04-10T02:00:03.709243Z",
			"deleted_at": null,
			"main_name": "NICKEL ACADEMY",
			"aliases": [
				"ATK3 ",
				"Black Artemis ",
				"COVELLITE ",
				"CTG-2460 ",
				"Citrine Sleet ",
				"Diamond Sleet ",
				"Guardians of Peace",
				"HIDDEN COBRA ",
				"High Anonymous",
				"Labyrinth Chollima ",
				"Lazarus Group ",
				"NNPT Group",
				"New Romanic Cyber Army Team",
				"Temp.Hermit ",
				"UNC577 ",
				"Who Am I?",
				"Whois Team",
				"ZINC "
			],
			"source_name": "Secureworks:NICKEL ACADEMY",
			"tools": [
				"Destover",
				"KorHigh",
				"Volgmer"
			],
			"source_id": "Secureworks",
			"reports": null
		},
		{
			"id": "110e7160-a8cc-4a66-8550-f19f7d418117",
			"created_at": "2023-01-06T13:46:38.427592Z",
			"updated_at": "2026-04-10T02:00:02.969896Z",
			"deleted_at": null,
			"main_name": "Silent Chollima",
			"aliases": [
				"Onyx Sleet",
				"PLUTONIUM",
				"OperationTroy",
				"Guardian of Peace",
				"GOP",
				"WHOis Team",
				"Andariel",
				"Subgroup: Andariel"
			],
			"source_name": "MISPGALAXY:Silent Chollima",
			"tools": [],
			"source_id": "MISPGALAXY",
			"reports": null
		},
		{
			"id": "bc6e3644-3249-44f3-a277-354b7966dd1b",
			"created_at": "2022-10-25T16:07:23.760559Z",
			"updated_at": "2026-04-10T02:00:04.741239Z",
			"deleted_at": null,
			"main_name": "Andariel",
			"aliases": [
				"APT 45",
				"Andariel",
				"G0138",
				"Jumpy Pisces",
				"Onyx Sleet",
				"Operation BLACKMINE",
				"Operation BLACKSHEEP/Phase 3.",
				"Operation Blacksmith",
				"Operation DESERTWOLF/Phase 3",
				"Operation GHOSTRAT",
				"Operation GoldenAxe",
				"Operation INITROY/Phase 1",
				"Operation INITROY/Phase 2",
				"Operation Mayday",
				"Operation VANXATM",
				"Operation XEDA",
				"Plutonium",
				"Silent Chollima",
				"Stonefly"
			],
			"source_name": "ETDA:Andariel",
			"tools": [],
			"source_id": "ETDA",
			"reports": null
		},
		{
			"id": "75108fc1-7f6a-450e-b024-10284f3f62bb",
			"created_at": "2024-11-01T02:00:52.756877Z",
			"updated_at": "2026-04-10T02:00:05.273746Z",
			"deleted_at": null,
			"main_name": "Play",
			"aliases": null,
			"source_name": "MITRE:Play",
			"tools": [
				"Nltest",
				"AdFind",
				"PsExec",
				"Wevtutil",
				"Cobalt Strike",
				"Playcrypt",
				"Mimikatz"
			],
			"source_id": "MITRE",
			"reports": null
		},
		{
			"id": "732597b1-40a8-474c-88cc-eb8a421c29f1",
			"created_at": "2025-08-07T02:03:25.087732Z",
			"updated_at": "2026-04-10T02:00:03.776007Z",
			"deleted_at": null,
			"main_name": "NICKEL GLADSTONE",
			"aliases": [
				"APT38 ",
				"ATK 117 ",
				"Alluring Pisces ",
				"Black Alicanto ",
				"Bluenoroff ",
				"CTG-6459 ",
				"Citrine Sleet ",
				"HIDDEN COBRA ",
				"Lazarus Group",
				"Sapphire Sleet ",
				"Selective Pisces ",
				"Stardust Chollima ",
				"T-APT-15 ",
				"TA444 ",
				"TAG-71 "
			],
			"source_name": "Secureworks:NICKEL GLADSTONE",
			"tools": [
				"AlphaNC",
				"Bankshot",
				"CCGC_Proxy",
				"Ratankba",
				"RustBucket",
				"SUGARLOADER",
				"SwiftLoader",
				"Wcry"
			],
			"source_id": "Secureworks",
			"reports": null
		},
		{
			"id": "a2b92056-9378-4749-926b-7e10c4500dac",
			"created_at": "2023-01-06T13:46:38.430595Z",
			"updated_at": "2026-04-10T02:00:02.971571Z",
			"deleted_at": null,
			"main_name": "Lazarus Group",
			"aliases": [
				"Operation DarkSeoul",
				"Bureau 121",
				"Group 77",
				"APT38",
				"NICKEL GLADSTONE",
				"G0082",
				"COPERNICIUM",
				"Moonstone Sleet",
				"Operation GhostSecret",
				"APT 38",
				"Appleworm",
				"Unit 121",
				"ATK3",
				"G0032",
				"ATK117",
				"NewRomanic Cyber Army Team",
				"Nickel Academy",
				"Sapphire Sleet",
				"Lazarus group",
				"Hastati Group",
				"Subgroup: Bluenoroff",
				"Operation Troy",
				"Black Artemis",
				"Dark Seoul",
				"Andariel",
				"Labyrinth Chollima",
				"Operation AppleJeus",
				"COVELLITE",
				"Citrine Sleet",
				"DEV-0139",
				"DEV-1222",
				"Hidden Cobra",
				"Bluenoroff",
				"Stardust Chollima",
				"Whois Hacking Team",
				"Diamond Sleet",
				"TA404",
				"BeagleBoyz",
				"APT-C-26"
			],
			"source_name": "MISPGALAXY:Lazarus Group",
			"tools": [],
			"source_id": "MISPGALAXY",
			"reports": null
		},
		{
			"id": "771d9263-076e-4b6e-bd58-92b6555eb739",
			"created_at": "2025-08-07T02:03:25.092436Z",
			"updated_at": "2026-04-10T02:00:03.758541Z",
			"deleted_at": null,
			"main_name": "NICKEL HYATT",
			"aliases": [
				"APT45 ",
				"Andariel",
				"Dark Seoul",
				"Jumpy Pisces ",
				"Onyx Sleet ",
				"RIFLE Campaign",
				"Silent Chollima ",
				"Stonefly ",
				"UN614 "
			],
			"source_name": "Secureworks:NICKEL HYATT",
			"tools": [
				"ActiveX 0-day",
				"DTrack",
				"HazyLoad",
				"HotCriossant",
				"Rifle",
				"UnitBot",
				"Valefor"
			],
			"source_id": "Secureworks",
			"reports": null
		},
		{
			"id": "32a223a8-3c79-4146-87c5-8557d38662ae",
			"created_at": "2022-10-25T15:50:23.703698Z",
			"updated_at": "2026-04-10T02:00:05.261989Z",
			"deleted_at": null,
			"main_name": "Lazarus Group",
			"aliases": [
				"Lazarus Group",
				"Labyrinth Chollima",
				"HIDDEN COBRA",
				"Guardians of Peace",
				"NICKEL ACADEMY",
				"Diamond Sleet"
			],
			"source_name": "MITRE:Lazarus Group",
			"tools": [
				"RawDisk",
				"Proxysvc",
				"BADCALL",
				"FALLCHILL",
				"WannaCry",
				"MagicRAT",
				"HOPLIGHT",
				"TYPEFRAME",
				"Dtrack",
				"HotCroissant",
				"HARDRAIN",
				"Dacls",
				"KEYMARBLE",
				"TAINTEDSCRIBE",
				"AuditCred",
				"netsh",
				"ECCENTRICBANDWAGON",
				"AppleJeus",
				"BLINDINGCAN",
				"ThreatNeedle",
				"Volgmer",
				"Cryptoistic",
				"RATANKBA",
				"Bankshot"
			],
			"source_id": "MITRE",
			"reports": null
		},
		{
			"id": "f32df445-9fb4-4234-99e0-3561f6498e4e",
			"created_at": "2022-10-25T16:07:23.756373Z",
			"updated_at": "2026-04-10T02:00:04.739611Z",
			"deleted_at": null,
			"main_name": "Lazarus Group",
			"aliases": [
				"APT-C-26",
				"ATK 3",
				"Appleworm",
				"Citrine Sleet",
				"DEV-0139",
				"Diamond Sleet",
				"G0032",
				"Gleaming Pisces",
				"Gods Apostles",
				"Gods Disciples",
				"Group 77",
				"Guardians of Peace",
				"Hastati Group",
				"Hidden Cobra",
				"ITG03",
				"Jade Sleet",
				"Labyrinth Chollima",
				"Lazarus Group",
				"NewRomanic Cyber Army Team",
				"Operation 99",
				"Operation AppleJeus",
				"Operation AppleJeus sequel",
				"Operation Blockbuster: Breach of Sony Pictures Entertainment",
				"Operation CryptoCore",
				"Operation Dream Job",
				"Operation Dream Magic",
				"Operation Flame",
				"Operation GhostSecret",
				"Operation In(ter)caption",
				"Operation LolZarus",
				"Operation Marstech Mayhem",
				"Operation No Pineapple!",
				"Operation North Star",
				"Operation Phantom Circuit",
				"Operation Sharpshooter",
				"Operation SyncHole",
				"Operation Ten Days of Rain / DarkSeoul",
				"Operation Troy",
				"SectorA01",
				"Slow Pisces",
				"TA404",
				"TraderTraitor",
				"UNC2970",
				"UNC4034",
				"UNC4736",
				"UNC4899",
				"UNC577",
				"Whois Hacking Team"
			],
			"source_name": "ETDA:Lazarus Group",
			"tools": [
				"3CX Backdoor",
				"3Rat Client",
				"3proxy",
				"AIRDRY",
				"ARTFULPIE",
				"ATMDtrack",
				"AlphaNC",
				"Alreay",
				"Andaratm",
				"AngryRebel",
				"AppleJeus",
				"Aryan",
				"AuditCred",
				"BADCALL",
				"BISTROMATH",
				"BLINDINGCAN",
				"BTC Changer",
				"BUFFETLINE",
				"BanSwift",
				"Bankshot",
				"Bitrep",
				"Bitsran",
				"BlindToad",
				"Bookcode",
				"BootWreck",
				"BottomLoader",
				"Brambul",
				"BravoNC",
				"Breut",
				"COLDCAT",
				"COPPERHEDGE",
				"CROWDEDFLOUNDER",
				"Castov",
				"CheeseTray",
				"CleanToad",
				"ClientTraficForwarder",
				"CollectionRAT",
				"Concealment Troy",
				"Contopee",
				"CookieTime",
				"Cyruslish",
				"DAVESHELL",
				"DBLL Dropper",
				"DLRAT",
				"DRATzarus",
				"DRATzarus RAT",
				"Dacls",
				"Dacls RAT",
				"DarkComet",
				"DarkKomet",
				"DeltaCharlie",
				"DeltaNC",
				"Dembr",
				"Destover",
				"DoublePulsar",
				"Dozer",
				"Dtrack",
				"Duuzer",
				"DyePack",
				"ECCENTRICBANDWAGON",
				"ELECTRICFISH",
				"Escad",
				"EternalBlue",
				"FALLCHILL",
				"FYNLOS",
				"FallChill RAT",
				"Farfli",
				"Fimlis",
				"FoggyBrass",
				"FudModule",
				"Fynloski",
				"Gh0st RAT",
				"Ghost RAT",
				"Gopuram",
				"HARDRAIN",
				"HIDDEN COBRA RAT/Worm",
				"HLOADER",
				"HOOKSHOT",
				"HOPLIGHT",
				"HOTCROISSANT",
				"HOTWAX",
				"HTTP Troy",
				"Hawup",
				"Hawup RAT",
				"Hermes",
				"HotCroissant",
				"HotelAlfa",
				"Hotwax",
				"HtDnDownLoader",
				"Http Dr0pper",
				"ICONICSTEALER",
				"Joanap",
				"Jokra",
				"KANDYKORN",
				"KEYMARBLE",
				"Kaos",
				"KillDisk",
				"KillMBR",
				"Koredos",
				"Krademok",
				"LIGHTSHIFT",
				"LIGHTSHOW",
				"LOLBAS",
				"LOLBins",
				"Lazarus",
				"LightlessCan",
				"Living off the Land",
				"MATA",
				"MBRkiller",
				"MagicRAT",
				"Manuscrypt",
				"Mimail",
				"Mimikatz",
				"Moudour",
				"Mydoom",
				"Mydoor",
				"Mytob",
				"NACHOCHEESE",
				"NachoCheese",
				"NestEgg",
				"NickelLoader",
				"NineRAT",
				"Novarg",
				"NukeSped",
				"OpBlockBuster",
				"PCRat",
				"PEBBLEDASH",
				"PLANKWALK",
				"POOLRAT",
				"PSLogger",
				"PhanDoor",
				"Plink",
				"PondRAT",
				"PowerBrace",
				"PowerRatankba",
				"PowerShell RAT",
				"PowerSpritz",
				"PowerTask",
				"Preft",
				"ProcDump",
				"Proxysvc",
				"PuTTY Link",
				"QUICKRIDE",
				"QUICKRIDE.POWER",
				"Quickcafe",
				"QuiteRAT",
				"R-C1",
				"ROptimizer",
				"Ratabanka",
				"RatabankaPOS",
				"Ratankba",
				"RatankbaPOS",
				"RawDisk",
				"RedShawl",
				"Rifdoor",
				"Rising Sun",
				"Romeo-CoreOne",
				"RomeoAlfa",
				"RomeoBravo",
				"RomeoCharlie",
				"RomeoCore",
				"RomeoDelta",
				"RomeoEcho",
				"RomeoFoxtrot",
				"RomeoGolf",
				"RomeoHotel",
				"RomeoMike",
				"RomeoNovember",
				"RomeoWhiskey",
				"Romeos",
				"RustBucket",
				"SHADYCAT",
				"SHARPKNOT",
				"SIGFLIP",
				"SIMPLESEA",
				"SLICKSHOES",
				"SORRYBRUTE",
				"SUDDENICON",
				"SUGARLOADER",
				"SheepRAT",
				"SierraAlfa",
				"SierraBravo",
				"SierraCharlie",
				"SierraJuliett-MikeOne",
				"SierraJuliett-MikeTwo",
				"SimpleTea",
				"SimplexTea",
				"SmallTiger",
				"Stunnel",
				"TAINTEDSCRIBE",
				"TAXHAUL",
				"TFlower",
				"TOUCHKEY",
				"TOUCHMOVE",
				"TOUCHSHIFT",
				"TOUCHSHOT",
				"TWOPENCE",
				"TYPEFRAME",
				"Tdrop",
				"Tdrop2",
				"ThreatNeedle",
				"Tiger RAT",
				"TigerRAT",
				"Trojan Manuscript",
				"Troy",
				"TroyRAT",
				"VEILEDSIGNAL",
				"VHD",
				"VHD Ransomware",
				"VIVACIOUSGIFT",
				"VSingle",
				"ValeforBeta",
				"Volgmer",
				"Vyveva",
				"W1_RAT",
				"Wana Decrypt0r",
				"WanaCry",
				"WanaCrypt",
				"WanaCrypt0r",
				"WannaCry",
				"WannaCrypt",
				"WannaCryptor",
				"WbBot",
				"Wcry",
				"Win32/KillDisk.NBB",
				"Win32/KillDisk.NBC",
				"Win32/KillDisk.NBD",
				"Win32/KillDisk.NBH",
				"Win32/KillDisk.NBI",
				"WinorDLL64",
				"Winsec",
				"WolfRAT",
				"Wormhole",
				"YamaBot",
				"Yort",
				"ZetaNile",
				"concealment_troy",
				"http_troy",
				"httpdr0pper",
				"httpdropper",
				"klovbot",
				"sRDI"
			],
			"source_id": "ETDA",
			"reports": null
		}
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