General

  • Target
    https://cdn.discordapp.com/attachments/1532186689806794985/1532189903272808549/Radiumclient1.21.11.jar?ex=6a6c9b4b&is=6a6b49cb&hm=0bf7224ee4285217137ef317dd1e791cc57c70193f2025f51bc9ad597ac0cdc0&
  • Sample260730-scte2szgjd

Malware Config

Targets

    • Target
      https://cdn.discordapp.com/attachments/1532186689806794985/1532189903272808549/Radiumclient1.21.11.jar?ex=6a6c9b4b&is=6a6b49cb&hm=0bf7224ee4285217137ef317dd1e791cc57c70193f2025f51bc9ad597ac0cdc0&
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks