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
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Match Legitimate Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2)	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
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	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
Shared Modules - T1129 (0a5231ec-41af-4a35-83d0-6bdf11f28c65)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5)	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
Asynchronous Procedure Call - T1055.004 (7c0f17c9-1af6-4628-9cbd-9e45482dd605)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Component Object Model - T1559.001 (2f6b4ed7-fef1-44ba-bcb8-1b4beb610b64)	Attack Pattern	1
System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104)	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
Fallback Channels - T1008 (f24faf46-3b26-4dbb-98f2-63460498e433)	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
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	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
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	Attack Pattern	1
Web Service - T1102 (830c9528-df21-472c-8c14-a036bf17d665)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Windows Management Instrumentation - T1047 (01a5a209-b94c-450b-b7f9-946497d91055)	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
Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a)	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
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073)	Attack Pattern	1
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5)	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
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945)	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
Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	1
System Checks - T1497.001 (29be378d-262d-4e99-b00d-852d573628e6)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Odbcconf - T1218.008 (6e3bd510-6b33-41a4-af80-2d80f3ee0071)	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
Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62)	Attack Pattern	Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	1
Bumblebee - S1039 (04378e79-4387-468a-a8f7-f974b8254e44)	Malware	Standard Encoding - T1132.001 (04fd5427-79c7-44ea-ae13-11b24778ff1c)	Attack Pattern	1
Match Legitimate Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2)	Attack Pattern	Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0)	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
Asynchronous Procedure Call - T1055.004 (7c0f17c9-1af6-4628-9cbd-9e45482dd605)	Attack Pattern	Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	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
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736)	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
Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69)	Attack Pattern	File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	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
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58)	Attack Pattern	2
System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	Attack Pattern	Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5)	Attack Pattern	2
Spearphishing Link - T1566.002 (2b742742-28c3-4e1b-bab7-8350d6300fa7)	Attack Pattern	Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b)	Attack Pattern	2
Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	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
Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945)	Attack Pattern	Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	Attack Pattern	2
Malicious Link - T1204.001 (ef67e13e-5598-4adc-bdb2-998225874fa9)	Attack Pattern	User Execution - T1204 (8c32eb4d-805f-4fc5-bf60-c4d476c131b5)	Attack Pattern	2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	2
System Checks - T1497.001 (29be378d-262d-4e99-b00d-852d573628e6)	Attack Pattern	Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	Attack Pattern	2
Odbcconf - T1218.008 (6e3bd510-6b33-41a4-af80-2d80f3ee0071)	Attack Pattern	System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	Attack Pattern	2
Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597)	Attack Pattern	Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b)	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
Data Encoding - T1132 (cc7b8c4e-9be0-47ca-b0bb-83915ec3ee2f)	Attack Pattern	Standard Encoding - T1132.001 (04fd5427-79c7-44ea-ae13-11b24778ff1c)	Attack Pattern	2