General

  • Target
    Mercurial.exe
  • Size 1.1MB
  • Sample260825-sakecstfnc
  • SHA256 b9a3f5c34acc211888e09c89573b6d731aa1228053ae15b25acad2e5a39bcad7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Mercurial.exe
    • Size 1.1MB
    • SHA256 b9a3f5c34acc211888e09c89573b6d731aa1228053ae15b25acad2e5a39bcad7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks