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Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b)

Gelsemium is a modular malware comprised of a dropper (Gelsemine), a loader (Gelsenicine), and main (Gelsevirine) plug-ins written using the Microsoft Foundation Class (MFC) framework. Gelsemium has been used by the Gelsemium group since at least 2014.(Citation: ESET Gelsemium June 2021)

Cluster A Galaxy A Cluster B Galaxy B Level
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Binary Padding - T1027.001 (5bfccc3f-2326-4112-86cc-c1ece9d8a2b5) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Fileless Storage - T1027.011 (02c5abff-30bf-4703-ab92-1f6072fae939) Attack Pattern 1
Timestomp - T1070.006 (47f2d673-ca62-47e9-929b-1b0be9657611) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Fallback Channels - T1008 (f24faf46-3b26-4dbb-98f2-63460498e433) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Query Registry - T1012 (c32f7008-9fea-41f7-8366-5eb9b74bd896) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Match Legitimate Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Component Object Model - T1559.001 (2f6b4ed7-fef1-44ba-bcb8-1b4beb610b64) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Reflective Code Loading - T1620 (4933e63b-9b77-476e-ab29-761bc5b7d15a) Attack Pattern 1
Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Access Token Manipulation - T1134 (dcaa092b-7de9-4a21-977f-7fcb77e89c48) Attack Pattern 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Modify Registry - T1112 (57340c81-c025-4189-8fa0-fc7ede51bae4) Attack Pattern 1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Invalid Code Signature - T1036.001 (b4b7458f-81f2-4d38-84be-1c5ba0167a52) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Print Processors - T1547.012 (2de47683-f398-448f-b947-9abcc3e32fad) Attack Pattern 1
Windows Service - T1543.003 (2959d63f-73fd-46a1-abd2-109d7dcede32) Attack Pattern Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Dynamic Resolution - T1568 (7bd9c723-2f78-4309-82c5-47cad406572b) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073) Attack Pattern 1
Gelsemium - S0666 (efa7c4d6-8e30-41d9-a8fd-26dc337f4a1b) Malware Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 1
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern Binary Padding - T1027.001 (5bfccc3f-2326-4112-86cc-c1ece9d8a2b5) Attack Pattern 2
Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d) Attack Pattern Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern 2
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern Fileless Storage - T1027.011 (02c5abff-30bf-4703-ab92-1f6072fae939) Attack Pattern 2
Timestomp - T1070.006 (47f2d673-ca62-47e9-929b-1b0be9657611) Attack Pattern Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern 2
Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern 2
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern 2
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern Match Legitimate Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2) Attack Pattern 2
Inter-Process Communication - T1559 (acd0ba37-7ba9-4cc5-ac61-796586cd856d) Attack Pattern Component Object Model - T1559.001 (2f6b4ed7-fef1-44ba-bcb8-1b4beb610b64) Attack Pattern 2
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 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 2
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern Invalid Code Signature - T1036.001 (b4b7458f-81f2-4d38-84be-1c5ba0167a52) Attack Pattern 2
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern 2
Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf) Attack Pattern Print Processors - T1547.012 (2de47683-f398-448f-b947-9abcc3e32fad) Attack Pattern 2
Windows Service - T1543.003 (2959d63f-73fd-46a1-abd2-109d7dcede32) Attack Pattern Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern 2
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 2
Abuse Elevation Control Mechanism - T1548 (67720091-eee3-4d2d-ae16-8264567f6f5b) Attack Pattern Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073) Attack Pattern 2
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 2