Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)

Bumblebee is a custom loader written in C++ that has been used by multiple threat actors, including possible initial access brokers, to download and execute additional payloads since at least March 2022. Bumblebee has been linked to ransomware operations including Conti, Quantum, and Mountlocker and derived its name from the appearance of "bumblebee" in the user-agent.(Citation: Google EXOTIC LILY March 2022)(Citation: Proofpoint Bumblebee April 2022)(Citation: Symantec Bumblebee June 2022)

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
Shared Modules - T1129 (0a5231ec-41af-4a35-83d0-6bdf11f28c65)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Spearphishing Link - T1566.002 (2b742742-28c3-4e1b-bab7-8350d6300fa7)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Malicious Link - T1204.001 (ef67e13e-5598-4adc-bdb2-998225874fa9)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104)	Attack Pattern	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Odbcconf - T1218.008 (6e3bd510-6b33-41a4-af80-2d80f3ee0071)	Attack Pattern	1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Standard Encoding - T1132.001 (04fd5427-79c7-44ea-ae13-11b24778ff1c)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
System Checks - T1497.001 (29be378d-262d-4e99-b00d-852d573628e6)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Query Registry - T1012 (c32f7008-9fea-41f7-8366-5eb9b74bd896)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Malicious File - T1204.002 (232b7f21-adf9-4b42-b936-b9d6f7df856e)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Web Service - T1102 (830c9528-df21-472c-8c14-a036bf17d665)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Time Based Checks - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945)	Attack Pattern	1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Windows Management Instrumentation - T1047 (01a5a209-b94c-450b-b7f9-946497d91055)	Attack Pattern	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62)	Attack Pattern	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c)	Attack Pattern	1
Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5)	Attack Pattern	1
Match Legitimate Resource Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Asynchronous Procedure Call - T1055.004 (7c0f17c9-1af6-4628-9cbd-9e45482dd605)	Attack Pattern	1
Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Component Object Model - T1559.001 (2f6b4ed7-fef1-44ba-bcb8-1b4beb610b64)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Debugger Evasion - T1622 (e4dc8c01-417f-458d-9ee0-bb0617c1b391)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Fallback Channels - T1008 (f24faf46-3b26-4dbb-98f2-63460498e433)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	1
Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b)	Attack Pattern	Spearphishing Link - T1566.002 (2b742742-28c3-4e1b-bab7-8350d6300fa7)	Attack Pattern	2
User Execution - T1204 (8c32eb4d-805f-4fc5-bf60-c4d476c131b5)	Attack Pattern	Malicious Link - T1204.001 (ef67e13e-5598-4adc-bdb2-998225874fa9)	Attack Pattern	2
System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	Attack Pattern	Odbcconf - T1218.008 (6e3bd510-6b33-41a4-af80-2d80f3ee0071)	Attack Pattern	2
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41)	Attack Pattern	Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118)	Attack Pattern	2
Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	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
Data Encoding - T1132 (cc7b8c4e-9be0-47ca-b0bb-83915ec3ee2f)	Attack Pattern	Standard Encoding - T1132.001 (04fd5427-79c7-44ea-ae13-11b24778ff1c)	Attack Pattern	2
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	Attack Pattern	System Checks - T1497.001 (29be378d-262d-4e99-b00d-852d573628e6)	Attack Pattern	2
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58)	Attack Pattern	2
Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597)	Attack Pattern	Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b)	Attack Pattern	2
Malicious File - T1204.002 (232b7f21-adf9-4b42-b936-b9d6f7df856e)	Attack Pattern	User Execution - T1204 (8c32eb4d-805f-4fc5-bf60-c4d476c131b5)	Attack Pattern	2
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	Attack Pattern	Time Based Checks - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	2
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736)	Attack Pattern	Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	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
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62)	Attack Pattern	2
Match Legitimate Resource Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2)	Attack Pattern	Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0)	Attack Pattern	2
Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9)	Attack Pattern	Scheduled Task/Job - T1053 (35dd844a-b219-4e2b-a6bb-efa9a75995a9)	Attack Pattern	2
Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	Attack Pattern	Asynchronous Procedure Call - T1055.004 (7c0f17c9-1af6-4628-9cbd-9e45482dd605)	Attack Pattern	2
Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5)	Attack Pattern	System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	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
Component Object Model - T1559.001 (2f6b4ed7-fef1-44ba-bcb8-1b4beb610b64)	Attack Pattern	Inter-Process Communication - T1559 (acd0ba37-7ba9-4cc5-ac61-796586cd856d)	Attack Pattern	2