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HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3)

HotCroissant is a remote access trojan (RAT) attributed by U.S. government entities to malicious North Korean government cyber activity, tracked collectively as HIDDEN COBRA.(Citation: US-CERT HOTCROISSANT February 2020) HotCroissant shares numerous code similarities with Rifdoor.(Citation: Carbon Black HotCroissant April 2020)

Cluster A Galaxy A Cluster B Galaxy B Level
Software Packing - T1027.002 (deb98323-e13f-4b0c-8d94-175379069062) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d) Attack Pattern 1
System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern 1
System Network Configuration Discovery - T1016 (707399d6-ab3e-4963-9315-d9d3818cd6a0) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Screen Capture - T1113 (0259baeb-9f63-4c69-bf10-eb038c390688) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Service Stop - T1489 (20fb2507-d71c-455d-9b6d-6104461cf26b) Attack Pattern 1
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
Application Window Discovery - T1010 (4ae4f953-fe58-4cc8-a327-33257e30a830) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern 1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware System Service Discovery - T1007 (322bad5a-1c49-4d23-ab79-76d641794afa) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
HotCroissant - S0431 (aad11e34-02ca-4220-91cd-2ed420af4db3) Malware Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 1
Software Packing - T1027.002 (deb98323-e13f-4b0c-8d94-175379069062) Attack Pattern Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 2
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
Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern Scheduled Task/Job - T1053 (35dd844a-b219-4e2b-a6bb-efa9a75995a9) Attack Pattern 2
Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) 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
Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern 2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 2