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Rewterz Threat Alert – MSSQL Servers Hijacked and Made into Monero Mining Machines
July 30, 2020
Rewterz Threat Advisory – CVE-2020-3382 – Critical Vulnerabilities in Cisco’s DCNM and SD-WAN vManage software
July 30, 2020

Rewterz Threat Alert – ProLock Ransomware – IoCs

July 30, 2020

Severity

Medium

Analysis Summary

The Prolock ransomware targets victims with phishing emails, improperly configured Remote Desktop Protocol (RDP) servers, and remote access connections over RDP with stolen user credentials. In some cases, Qakbot was found as one of ProLock’s means of initial access. The earliest detection of ProLock by Sophos was on a customer’s compromised server, most likely through an exploit of a Remote Desktop Protocol connection. The ProLock actors use their access to conduct some network reconnaissance, as well as to potentially steal data before launching their ransomware attack. They then use the stolen or compromised credentials, built-in Windows tools and scripts to propagate the ransomware across the network.

Impact

  • Unauthorized access
  • Information theft
  • Files encryption

Indicators of Compromise

MD5

  • 8217cf04813e077f04c65f9f259e3eba
  • e3d06bd8724d850884e79801aa2bdb42
  • 3355ace345e98406bdb331ccad568386
  • 81ade22081f8b94567f1717b14b22918
  • c579341f86f7e962719c7113943bb6e4

SHA-256

  • 18661f8c245d26be1ec4df48a9e186569a77237f424f322f00ef94652b9d5f35
  • b262b1b82e5db337d367ea1d4119cadb928963896f1aff940be763a00d45f305
  • dfbd62a3d1b239601e17a5533e5cef53036647901f3fb72be76d92063e279178
  • 2f0e4b178311a260601e054b0b405999715084227e49ff18a19e1a59f7b2f309
  • a6ded68af5a6e5cc8c1adee029347ec72da3b10a439d98f79f4b15801abd7af0

SHA1

  • a037439ad7e79dbf4a20664cf10126c93429e350
  • 0ce3614560e7c1ddbc3b8f56f3e45278de47d3bb
  • 81d5888bb8d43d88315c040be1f51db6bb5cf64c
  • 4f125d890a8f98c9c7069b0bb2b5625c7754fad6
  • e2a961c9a78d4c8bf118a0387dc15c564efc8fe9

URL

  • http[:]//185[.]212[.]128[.]8/B/
  • http[:]//185[.]212[.]128[.]8/q109[.]exe
  • http[:]//185[.]212[.]128[.]8/j080[.]exe
  • http[:]//185[.]212[.]128[.]8/j078[.]exe

Remediation

  • Block the threat indicators at their respective controls.
  • Keep all systems and software updated to latest patched versions.
  • Maintain a strong password policy.
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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