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Rewterz Threat Alert – STOP (djvu) Ransomware Actively Spread
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Rewterz Threat Alert – Iranian APT Group “MuddyWater” Resurfaces

January 20, 2020

Severity

High

Analysis Summary

The Iranian cyber criminal group MuddyWater has resurfaced. The group primarily has targeted Middle Eastern, European and North American nations. The industries under target include telecommunications, government (IT services), and oil sectors. Indicators of compromise are given below.

Most of the campaigns by MuddyWater are designed upon socially engineering their victims into enabling macros in order to infect the targeted workstation. Once macros were enabled, the threat actor-written code would attempt to obtain a trojan hosted on an adversarial payload command and control node. This was a fully functional remote access trojan, that would allow the threat actors to interact with the compromised workstation via the adversarial interactive command and control node.

Impact

  • Credential Theft
  • Theft of sensitive information

Indicators of Compromise

Domain Name

pism[.]pl

Hostname

www[.]pism[.]pl

Source IP

5[.]101[.]0[.]209
37[.]128[.]98[.]144

URL

  • http[:]//www[.]pism[.]pl/publikacje/biuletyn/nr-45-91
  • https[:]//www[.]pism[.]pl/files/?id_plik=23304
  • https[:]//www[.]pism[.]pl/publications/books/Eurozone_Enlargement_in_Times_of_Crisis_Challenges_for_the_V4_Countrie
  • https[:]//www[.]pism[.]pl/publikacje/ksiazki/Kryzys_1939_roku_w_interpretacjach_polskich_i_rosyjskich_historyko
  • http[:]//www[.]pism[.]pl/_inc/_assets’
  • http[:]//www[.]pism[.]pl/_inc/_assets

Remediation

  • Block the threat indicators at their respective controls.
  • Do not download untrusted files from emails or random sources on the internet.
  • Do not enable macros for untrusted files.
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      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
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      • 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
  • Company
    • About Us
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    • Contact
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