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S1228malware

PUBLOAD

PUBLOAD is a stager malware that has been observed installing itself in existing directories such as C:\Users\Public or creating new directories to stage the malware and its components. PUBLOAD malware collects details of the victim host, establishes persistence, encrypts victim details using RC4 and communicates victim details back to C2. PUBLOAD malware has previously been leveraged by China-affiliated actors identified as Mustang Panda. PUBLOAD is also known as “NoFive” and some public reporting identifies the loader component as CLAIMLOADER.

Platforms: Windows

MITRE ATT&CK ↗

Linked entities · 24

usesT1105Ingress Tool Transfer usesT1518.001Security Software Discovery usesT1553.002Code Signing usesT1033System Owner/User Discovery usesT1614.001System Language Discovery usesT1001.003Protocol or Service Impersonation usesT1053.005Scheduled Task usesT1622Debugger Evasion usesT1027.015Compression usesT1057Process Discovery usesT1140Deobfuscate/Decode Files or Infor…usesT1071.002File Transfer Protocols usesT1016.002Wi-Fi Discovery usesT1573.001Symmetric Cryptography usesT1574.001DLL usesT1016System Network Configuration Disc…usesT1480.001Environmental Keying usesT1059.003Windows Command Shell usesT1027Obfuscated Files or Information usesT1547.001Registry Run Keys / Startup Folder usesT1106Native API usesT1560.001Archive via Utility usesT1680Local Storage Discovery usesT1518Software Discovery