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