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Malware MINIRECON

MINIRECON

TLP:CLEAR
Family

AI Analysis

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Description

According to Acronis, MINIRECON is a shellcode-based implant derived from the Toneshell8 family, written in C/C++ and deployed in memory by SHARDLOADER after reconstruction from an obfuscated, XOR-decrypted payload. It retains core Toneshell characteristics such as PEB-walking to resolve kernel32.dll, a 13131313 hash multiplier for API resolution, an LCG-based session key, a 256-byte XOR beacon scheme, and an opcode-driven dispatcher supporting two parallel reverse shells, file upload/download, remote command execution, and a drop-and-execute chain. Its main evolution is in command-and-control communications, shifting to WebSocket-over-HTTPS beaconing via the native WinHTTP API with self-signed certificate handling and a proxy fallback to blend into enterprise environments. Attributed to: MUSTANG PANDA.

Details

Type
Unknown
Platforms
Windows
Confidence
80%
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