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Rewterz Threat Alert – Microsoft’s ms-appinstaller Protocol Abused by Threat Groups – Active IOCs
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Rewterz Threat Alert – Ukraine Under Attack – Active IOCs
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Rewterz Threat Alert – Orcus RAT – Active IOCs

February 8, 2022

Severity

High

Analysis Summary

In the past few years Orcus was known as Schnorchel, is a Remote Access Trojan with some odd activity. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class. The ability of Orcus RAT

  • Keylogging and remote administration
  • Stealing system information and credentials
  • Taking screenshots, recording video from Webcams, recording audio from microphones, and disabling webcam light
  • Executing remote code execution and Denial-of-Service
  • Exploring/editing registry
  • Detecting VMs
  • Reverse Proxying
  • Real-Time Scripting
  • Advanced Plugin System

Impact

  • Credential Theft
  • Financial Loss

Indicators of Compromise

Filename

  • i8fp5koko[.]dll
  • Orcus[.]exe

MD5

  • 77b6c43975833df79a02c9d6b3079e32
  • c74a943d5f3c9a059bde9ec1db2e82d9
  • 1d522a6c8ca3e00918799b61fd7c7b3c

SHA-256

  • 4ebcfe7a62a49894a0c2701284f5e4c7183d1ebc138225b9a2c8fb5d6b271e43
  • 6f2d51ee6984c00ceb30ca2b08f8599c2272a40b699b69adfb8faf1939ced7df
  • 2c4259c9471eb714276f38b8c2fe892b327e8de4151d22a8712370030522bb8e

SHA-1

  • 59f603f2073efe6b61ea202f806246c7f3fe8d3d
  • 29b2061e940e4a66841b668cf533b4d8630f08b1
  • 7cca0a8eabe4841e415783b9639abedb7745183f

Remediation

  • Block all the 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
    • 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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