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Rewterz Threat Alert – Nanocore Rat – Active IOCs
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Rewterz Threat Alert – APT SideWinder Group – Active IOCs – Russian-Ukrainian Cyber Warfare

March 17, 2022

Severity

High

Analysis Summary

Sidewinder is a suspected Indian threat actor group that has been active since 2012. They have been observed attacking political, military, and corporate organizations throughout Asia, with Pakistan, China, Nepal, and Afghanistan being the most common targets. RAZOR TIGER, Rattlesnake, APT-C-17, and T-APT-04 are the aliases for Sidewinder APT. This APT has been targeting Pakistani government officials with a decoy file related to FOCUSED TALK ON RUSSIAN UKRAINE CONFLICT IMPACT ON PAKISTAN in its most recent effort. They employ custom implementations to attack existing vulnerabilities and then deploy a Powershell payload in the final stages to distribute the malware. Sidewinder was also detected employing credential phishing sites that were copied from their victims’ webmail login pages.

Image

Sidewinder Group has been actively targeting the Government of Pakistan via phishing emails, dropping malicious Word documents which enables macro when downloaded and executed. The malicious file suspected of being used as an attachment has the name FOCUSED TALK ON RUSSIAN UKRAINE CONFLICT.docx 

Impact

  • Information Theft and Espionage

Indicators of Compromise

Filename

  • FOCUSED TALK ON RUSSIAN UKRAINE CONFLICT[.]docx

IP

  • 209[.]197[.]3[.]8

MD5

  • bbc955b1289b4f90fdfb8906606597e9

SHA-256

  • f765b0b6e4a34eb95c6f0ddf058bc88d5ef9ec2b11a5f3504d1673f4f69aceca

SHA-1

  • 6811b418c052baec7e74260e36e6e3cd34b202b0

URL

  • https[:]//maritimepakistan[.]kpt-pk[.]net/5434/1/3694/2/0/0/0/m/files-ce32ed85/file[.]rtf

Remediation

  • Block all threat indicators at your 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
      • 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
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      • 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
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