NanHaiShu (7abd6950-7a07-4d9e-ade1-62414fa50619)

This whitepaper details a malicious program we identify as NanHaiShu. Based on our analysis, the threat actor behind this malware targets government and private-sector organizations.

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	NanHaiShu (7abd6950-7a07-4d9e-ade1-62414fa50619)	Tool	1
NanHaiShu (7abd6950-7a07-4d9e-ade1-62414fa50619)	Tool	NanHaiShu (3e46af39-52e8-442f-aff1-38eeb90336fc)	Malpedia	1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1)	Attack Pattern	NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	2
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	Attack Pattern	NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	2
JavaScript - T1059.007 (0f4a0c76-ab2d-4cb0-85d3-3f0efb8cba0d)	Attack Pattern	NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	2
System Network Configuration Discovery - T1016 (707399d6-ab3e-4963-9315-d9d3818cd6a0)	Attack Pattern	NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72)	Attack Pattern	2
Mshta - T1218.005 (840a987a-99bd-4a80-a5c9-0cb2baa6cade)	Attack Pattern	NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	Attack Pattern	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	Disable or Modify Tools - T1562.001 (ac08589e-ee59-4935-8667-d845e38fe579)	Attack Pattern	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104)	Attack Pattern	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279)	Attack Pattern	2
NanHaiShu - S0228 (705f0783-5f7d-4491-b6b7-9628e6e006d2)	Malware	Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	2
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	Attack Pattern	Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	3
JavaScript - T1059.007 (0f4a0c76-ab2d-4cb0-85d3-3f0efb8cba0d)	Attack Pattern	Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	3
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6)	Attack Pattern	DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72)	Attack Pattern	3
Mshta - T1218.005 (840a987a-99bd-4a80-a5c9-0cb2baa6cade)	Attack Pattern	System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	Attack Pattern	3
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	Attack Pattern	Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69)	Attack Pattern	3
Disable or Modify Tools - T1562.001 (ac08589e-ee59-4935-8667-d845e38fe579)	Attack Pattern	Impair Defenses - T1562 (3d333250-30e4-4a82-9edc-756c68afc529)	Attack Pattern	3
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279)	Attack Pattern	Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf)	Attack Pattern	3
Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	3