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POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351)

POWERSOURCE is a PowerShell backdoor that is a heavily obfuscated and modified version of the publicly available tool DNS_TXT_Pwnage. It was observed in February 2017 in spearphishing campaigns against personnel involved with United States Securities and Exchange Commission (SEC) filings at various organizations. The malware was delivered when macros were enabled by the victim and a VBS script was dropped. (Citation: FireEye FIN7 March 2017) (Citation: Cisco DNSMessenger March 2017)

Cluster A Galaxy A Cluster B Galaxy B Level
DNSMessenger (ee8ccb36-2596-43a3-a044-b8721dbeb2ab) RAT POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
NTFS File Attributes - T1564.004 (f2857333-11d4-45bf-b064-2c28d8525be5) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
DNSMessenger (b376580e-aba1-4ac9-9c2d-2df429efecf6) Malpedia POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
Query Registry - T1012 (c32f7008-9fea-41f7-8366-5eb9b74bd896) Attack Pattern POWERSOURCE - S0145 (17e919aa-4a49-445c-b103-dbb8df9e7351) Malware 1
TEXTMATE - S0146 (4f6aa78c-c3d4-4883-9840-96ca2f5d6d47) Malware DNSMessenger (ee8ccb36-2596-43a3-a044-b8721dbeb2ab) RAT 2
DNSMessenger (b376580e-aba1-4ac9-9c2d-2df429efecf6) Malpedia DNSMessenger (ee8ccb36-2596-43a3-a044-b8721dbeb2ab) RAT 2
Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern NTFS File Attributes - T1564.004 (f2857333-11d4-45bf-b064-2c28d8525be5) Attack Pattern 2
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern 2
DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) 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
TEXTMATE - S0146 (4f6aa78c-c3d4-4883-9840-96ca2f5d6d47) Malware Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 3
TEXTMATE - S0146 (4f6aa78c-c3d4-4883-9840-96ca2f5d6d47) Malware DNSMessenger (b376580e-aba1-4ac9-9c2d-2df429efecf6) Malpedia 3
TEXTMATE - S0146 (4f6aa78c-c3d4-4883-9840-96ca2f5d6d47) Malware DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern 3
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 4