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Rewterz Threat Alert – WannaCry Ransomware – Active IOCs
August 30, 2021
Rewterz Threat Alert – Ursnif Banking Trojan – Active IOCs
August 30, 2021

Rewterz Threat Alert –GandCrab Ransomware – Active IOCs

August 30, 2021

Severity

High

Analysis Summary

Fresh IoCs have been retrieved from a campaign distributing the GandCrab ransomware. GandCrab campaigns typically involve emails designed to deceive a potential victim into downloading attached malicious files. The infection process begins once a victim opens the attachment. It is important to note that the malware, in order to be successfully installed, requires the victim to enable macros. As is customary with other ransomware, it aims to lock a victim’s files, and demand that a ransom amount be paid. GandCrab usually targets consumers and businesses with PCs running Microsoft Windows. GandCrab has been involved in some of the biggest ransomware attacks, causing massive monetary loss to victims. GandCrab operators usually attempt to impersonate legitimate services in order to successfully victimize the target. For instance, in January 2020, GandCrab was distributed packed in a word document “Flu pandemic warning.doc” supposedly coming from the Center for Disease Control.

Impact

  • Files Encryption
  • Data Exfiltration

Indicators of Compromise

MD5

  • 8ee75277418d2c5b262be010e61d10a5

SHA-256

  • c83f08e7b10108547d2c898ab56a3564029438a028a4655ae266816818370de2

SHA1

  • e3077d7d26de774830d83eaa04a315ab18a49dfa

Remediation

  • Block the threat indicators at their respective controls.
  • Search for IOCs in your environment.
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
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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
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
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