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AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d)

AvosLocker is ransomware written in C++ that has been offered via the Ransomware-as-a-Service (RaaS) model. It was first observed in June 2021 and has been used against financial services, critical manufacturing, government facilities, and other critical infrastructure sectors in the United States. As of March 2022, AvosLocker had also been used against organizations in Belgium, Canada, China, Germany, Saudi Arabia, Spain, Syria, Taiwan, Turkey, the United Arab Emirates, and the United Kingdom.(Citation: Malwarebytes AvosLocker Jul 2021)(Citation: Trend Micro AvosLocker Apr 2022)(Citation: Joint CSA AvosLocker Mar 2022)

Cluster A Galaxy A Cluster B Galaxy B Level
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware 1
Network Share Discovery - T1135 (3489cfc5-640f-4bb3-a103-9137b97de79f) Attack Pattern AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Dynamic API Resolution - T1027.007 (ea4c2f9c-9df1-477c-8c42-6da1118f2ac4) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Service Stop - T1489 (20fb2507-d71c-455d-9b6d-6104461cf26b) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Masquerade File Type - T1036.008 (208884f1-7b83-4473-ac22-4e1cf6c41471) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern 1
Data Encrypted for Impact - T1486 (b80d107d-fa0d-4b60-9684-b0433e8bdba0) Attack Pattern AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware System Time Discovery - T1124 (f3c544dc-673c-4ef3-accb-53229f1ae077) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware System Shutdown/Reboot - T1529 (ff73aa03-0090-4464-83ac-f89e233c02bc) Attack Pattern 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
AvosLocker - S1053 (0945a1a5-a79a-47c8-9079-10c16cdfcb5d) Malware Safe Mode Boot - T1688 (c7660f19-f8c5-4ae3-a5e5-24381c270376) Attack Pattern 1
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern Dynamic API Resolution - T1027.007 (ea4c2f9c-9df1-477c-8c42-6da1118f2ac4) Attack Pattern 2
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern Masquerade File Type - T1036.008 (208884f1-7b83-4473-ac22-4e1cf6c41471) Attack Pattern 2
Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf) Attack Pattern Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern 2
Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern 2