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ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d)

ZxxZ is a trojan written in Visual C++ that has been used by BITTER since at least August 2021, including against Bangladeshi government personnel.(Citation: Cisco Talos Bitter Bangladesh May 2022)

Cluster A Galaxy A Cluster B Galaxy B Level
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Malicious File - T1204.002 (232b7f21-adf9-4b42-b936-b9d6f7df856e) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Query Registry - T1012 (c32f7008-9fea-41f7-8366-5eb9b74bd896) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware Masquerade Task or Service - T1036.004 (7bdca9d5-d500-4d7d-8c52-5fd47baf4c0c) Attack Pattern 1
ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern 1
Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern ZxxZ - S1013 (97cfbdc6-504d-41e9-a46c-78a9f806ff0d) Malware 1
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 2
Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b) Attack Pattern Spearphishing Attachment - T1566.001 (2e34237d-8574-43f6-aace-ae2915de8597) 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
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 2
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern Masquerade Task or Service - T1036.004 (7bdca9d5-d500-4d7d-8c52-5fd47baf4c0c) 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