diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 7b9b3d5..691ed44 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -2678,6 +2678,29 @@
         ]
       },
       "uuid": "4defbf2e-4f73-11e8-807f-578d61da7568"
+    },
+    {
+      "value": "LuckyMouse",
+      "description": "Experts assigned the codename of LuckyMouse to the group behind this hack, but they later realized the attackers were an older Chinese threat actor known under various names in the reports of other cyber-security firms, such as Emissary Panda, APT27, Threat Group 3390, Bronze Union, ZipToken, and Iron Tiger",
+      "meta": {
+        "refs": [
+          "https://www.bleepingcomputer.com/news/security/chinese-cyber-espionage-group-hacked-government-data-center/",
+          "https://www.secureworks.com/research/bronze-union",
+          "http://newsroom.trendmicro.com/blog/operation-iron-tiger-attackers-shift-east-asia-united-states",
+          "https://www.secureworks.com/research/threat-group-3390-targets-organizations-for-cyberespionage",
+          "https://www.threatconnect.com/blog/threatconnect-discovers-chinese-apt-activity-in-europe/",
+          "https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/april/decoding-network-data-from-a-gh0st-rat-variant/"
+        ],
+        "synonyms": [
+          "Emissary Panda",
+          "APT27",
+          "Threat Group 3390",
+          "Bronze Union",
+          "ZipToken",
+          "Iron Tiger"
+        ]
+      },
+      "uuid": "4af45fea-72d3-11e8-846c-d37699506c8d"
     }
   ],
   "name": "Threat actor",
@@ -2692,5 +2715,5 @@
   ],
   "description": "Known or estimated adversary groups targeting organizations and employees. Adversary groups are regularly confused with their initial operation or campaign.",
   "uuid": "7cdff317-a673-4474-84ec-4f1754947823",
-  "version": 41
+  "version": 42
 }