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BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)

BendyBear is an x64 shellcode for a stage-zero implant designed to download malware from a C2 server. First discovered in August 2020, BendyBear shares a variety of features with Waterbear, malware previously attributed to the Chinese cyber espionage group BlackTech.(Citation: Unit42 BendyBear Feb 2021)

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
Non-Standard Port - T1571 (b18eae87-b469-4e14-b454-b171b416bc18)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
System Time Discovery - T1124 (f3c544dc-673c-4ef3-accb-53229f1ae077)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
Junk Data - T1001.001 (f7c0689c-4dbd-489b-81be-7cb7c7079ade)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
Query Registry - T1012 (c32f7008-9fea-41f7-8366-5eb9b74bd896)	Attack Pattern	BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	1
BendyBear - S0574 (805480f1-6caa-4a67-8ca9-b2b39650d986)	Malware	Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	1
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	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
Data Obfuscation - T1001 (ad255bfe-a9e6-4b52-a258-8d3462abe842)	Attack Pattern	Junk Data - T1001.001 (f7c0689c-4dbd-489b-81be-7cb7c7079ade)	Attack Pattern	2
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d)	Attack Pattern	Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0)	Attack Pattern	2