Remote Access Trojan

STRRAT

First seen: 2020 • Status: active

Currently Active Threat

STRRAT pretends to be ransomware to scare victims, but it is really just stealing passwords while making you think your files are locked.

Overview

STRRAT is a Java-based RAT that masquerades as ransomware without actually encrypting files. It focuses on credential theft and keylogging.

Also Known As

Strigoi Master RAT

How It Spreads

  • Phishing emails
  • Malicious JAR attachments
  • Office macros

What It Does

  • Fake ransomware display
  • Credential theft
  • Keylogging
  • Browser password theft
  • Email credential theft

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Target Platforms

Windows, macOS, Linux

Detection Tips

  • Monitor Java process execution
  • Check for fake ransom notes
  • Analyze JAR file behavior
  • Review browser credential access

MITRE ATT&CK Techniques

T1566, T1059, T1056, T1555, T1491

If You're Infected

  1. 1.

    Do not pay ransom - files are not encrypted

  2. 2.

    Remove STRRAT malware

  3. 3.

    Reset all passwords

  4. 4.

    Update Java or remove if not needed

Related Malware

Adwind, Njrat, Remcos

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