System Owner/User Discovery T1033
Adversaries may attempt to identify the primary user, currently logged in user, set of users that commonly uses a system, or whether a user is actively using the system. They may do this, for example, by retrieving account usernames or by using OS Credential Dumping. The information may be…
- Tactics
- Discovery
- Actors using it
- 40
- Sub-techniques
- 0
Ransomware groups reported using it
Threat actors
- KimsukyNorth Korea · Black Banshee, Velvet Chollima, Emerald Sleet · 87 techniques
- APT38North Korea · NICKEL GLADSTONE, BeagleBoyz, Bluenoroff · 70 techniques
- Lazarus GroupNorth Korea · Labyrinth Chollima, HIDDEN COBRA, Guardians of Peace · 69 techniques
- APT41China · Wicked Panda, Brass Typhoon, BARIUM · 66 techniques
- Sandworm TeamRussia · ELECTRUM, Telebots, IRON VIKING · 64 techniques
- Volt TyphoonChina · BRONZE SILHOUETTE, Vanguard Panda, DEV-0391 · 58 techniques
- OilRigIran · COBALT GYPSY, IRN2, APT34 · 58 techniques
- Magic HoundIran · TA453, COBALT ILLUSION, Charming Kitten · 58 techniques
- APT32Vietnam · SeaLotus, OceanLotus, APT-C-00 · 55 techniques
- Gamaredon GroupRussia · IRON TILDEN, Primitive Bear, ACTINIUM · 55 techniques
- Medusa Group52 techniques
- FIN7GOLD NIAGARA, ITG14, Carbon Spider · 50 techniques
- ChimeraChina · 49 techniques
- Wizard SpiderRussia · UNC1878, TEMP.MixMaster, Grim Spider · 49 techniques
- DragonflyRussia · TEMP.Isotope, DYMALLOY, Berserk Bear · 48 techniques
- MuddyWaterIran · Earth Vetala, MERCURY, Static Kitten · 48 techniques
- Threat Group-3390China · Earth Smilodon, TG-3390, Emissary Panda · 47 techniques
- APT3China · Gothic Panda, Pirpi, UPS Team · 40 techniques
- APT39Iran · ITG07, Chafer, Remix Kitten · 39 techniques
- HAFNIUMChina · Operation Exchange Marauder, Silk Typhoon · 37 techniques
- Ke3changChina · APT15, Mirage, Vixen Panda · 37 techniques
- MirrorFaceChina · Earth Kasha · 37 techniques
- Tropic TrooperPirate Panda, KeyBoy · 35 techniques
- PatchworkHangover Group, Dropping Elephant, Chinastrats · 34 techniques
- Earth LuscaChina · TAG-22, Charcoal Typhoon, CHROMIUM · 34 techniques
- FIN8Syssphinx · 31 techniques
- HEXANELyceum, Siamesekitten, Spirlin · 29 techniques
- GALLIUMChina · Granite Typhoon · 27 techniques
- Storm-181125 techniques
- ZIRCONIUMChina · APT31, Violet Typhoon · 25 techniques
- APT37North Korea · InkySquid, ScarCruft, Reaper · 25 techniques
- Aquatic PandaChina · 25 techniques
- LuminousMothChina · 24 techniques
- SidewinderIndia · T-APT-04, Rattlesnake · 23 techniques
- Moonstone SleetNorth Korea · Storm-1789 · 23 techniques
- Winter VivernTA473, UAC-0114 · 22 techniques
- APT19China · Codoso, C0d0so0, Codoso Team · 18 techniques
- WindshiftBahamut · 14 techniques
- Stealth Falcon13 techniques
- FIN109 techniques