Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)

Kerrdown is a custom downloader that has been used by APT32 since at least 2018 to install spyware from a server on the victim's network.(Citation: Amnesty Intl. Ocean Lotus February 2021)(Citation: Unit 42 KerrDown February 2019)

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1)	Attack Pattern	Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	1
Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	Attack Pattern	1
Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597)	Attack Pattern	Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	1
Malicious File - T1204.002 (232b7f21-adf9-4b42-b936-b9d6f7df856e)	Attack Pattern	Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c)	Attack Pattern	Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	1
Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	DLL Side-Loading - T1574.002 (e64c62cf-9cd7-4a14-94ec-cdaac43ab44b)	Attack Pattern	1
Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	1
Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	Malicious Link - T1204.001 (ef67e13e-5598-4adc-bdb2-998225874fa9)	Attack Pattern	1
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	1
Kerrdown - S0585 (8c1d01ff-fdc0-4586-99bd-c248e0761af5)	Malware	Spearphishing Link - T1566.002 (2b742742-28c3-4e1b-bab7-8350d6300fa7)	Attack Pattern	1
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	Visual Basic - T1059.005 (dfd7cc1d-e1d8-4394-a198-97c4cab8aa67)	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
DLL Side-Loading - T1574.002 (e64c62cf-9cd7-4a14-94ec-cdaac43ab44b)	Attack Pattern	Hijack Execution Flow - T1574 (aedfca76-3b30-4866-b2aa-0f1d7fd1e4b6)	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
Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b)	Attack Pattern	Spearphishing Link - T1566.002 (2b742742-28c3-4e1b-bab7-8350d6300fa7)	Attack Pattern	2