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Rewterz Threat Alert – NJRAT – Active IOCs
June 16, 2022
Rewterz Threat Alert – Mirai Botnet – Active IOCs
June 16, 2022

Rewterz Threat Alert – Ursnif Banking Trojan – Active IOCs

June 16, 2022

Severity

High

Analysis Summary

Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 when its source code was published on Github and since then the moderators have always tweaked some changes to make use of their arsenal according to their gains. Mainly attacking banks and other financial institutions. As banking security has hardened and more customers have used mobile banking apps, attackers have switched to using Trojans such as Ursnif to steal other types of data, including email configurations, as well as credentials and passwords stored in the web browsers and even digital wallets. Threat actors use different techniques to make a victim fall into their trap. In many cases, a phishing email is sent to a victim that contains a malicious attachment – typically an Excel spreadsheet. If the victim clicks on an “Enable Content” button, they will not see the spreadsheet; rather an embedded macro code, which contains PowerShell commands and that’s how the infection begins to unfold.

Impact

  • Information Theft
  • Financial Loss
  • Exposure of Sensitive Information

Indicators of Compromise

MD5

  • 04447a2725f293f8a9746b0db58fa832
  • dd165240f5a2de250727eb47e458d7db

SHA-256

  • b1d0b5b4ce535cdbf0b8fbd21c8583fbade52436da55fbb7c1d4c75d47eca75c
  • ce3d465a139b6c7ca2b3414a08230b50b1e2e341310113ada498c2aecdce1d96

SHA-1

  • caf87c9fa89e4f6039a3c296bbcd7ffce4cdf829
  • 2748f39c430664f6c4c9c1700f1b7d05908d8dfd

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.
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      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
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    • 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
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