• Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • 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
    • Respond
      • Incident Response
      • Incident Analysis
  • 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
    • Press Release
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
Rewterz Threat Alert – Cerberus Banking Trojan – Active IOCs
December 7, 2021
Rewterz Threat Alert – SNAKE Ransomware – Active IOCs
December 7, 2021

Rewterz Threat Alert – Oski Data Stealer Malware – Active IOCs

December 7, 2021

Severity

High

Analysis Summary

An emergent and effective data-harvesting tool dubbed Oski is proliferating in North America and China, stealing online account credentials, credit card numbers, crypto wallet accounts, and more. The malware is still in its developing phase but packs a punch with its capabilities. Oski C2’s dashboard revealed that Oski’s theft tactics involve extracting credentials using man-in-the-browser (MitB) attacks by hooking the browser processes using DLL injection, It also extracts credentials from the registry, passwords from the browser SQLite database, and stored session cookies of all stripes, including crypto-wallet cookies from Bitcoin Core, Ethereum, Monero, Litecoin, and others.

Impact

  • Credential Theft
  • Unauthorized Access

Indicators of Compromise

MD5

  • e4833e975ec9a404fe636e8cece99172
  • 83437762e281a39dd2e3d24a77bed412
  • a989e8f8982eb3edd6684d790b22e48e

SHA-256

  • e447edf7c703f03c3644f4d8b896974b7bfa59e7bc4036af5a800c7135dd09b0
  • 79f2322a266f7ae7af5686670d8e8bc93661506340aab5e9d63fd23517bbbdd0
  • 3d67ced8c8394bdc10e76835caea07dee4729e86bc665a970b6e1b5af6c33eaa

SHA-1

  • 553c0807cc5b0df4b1a91ff2689636fde8f33d70
  • c818383759ac632ba7b418e3a830d0a9e90b7cbb
  • d9c024d4b196a282c7748f3c3e592d8248d71d3a

Remediation

  • Block all threat indicators at your respective controls.
  • Always be suspicious about emails sent by unknown senders.
  • Never click on the links/attachments sent by unknown senders.
  • 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
COPYRIGHT © REWTERZ. ALL RIGHTS RESERVED.