• 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 – NJRAT – Active IOCs
January 24, 2022
Rewterz Threat Alert – Emotet – Active IOCs
January 24, 2022

Rewterz Threat Alert – BluStealer Infostealer – Active IOCs

January 24, 2022

Severity

Medium

Analysis Summary

BluStealer is a new infostealer identified in the later half of 2021. It’s finctionality include the ability to steal login credentials, cryptocurrency, credit card information, and more. It is delivered through a phishing email containing malicious email attachments. A sample of this techniques is seen going around where the sender has crafted a fake DHL letter to scam the victims. 

Technical-Report-BluStealer_1

Once the malicious attachment is opened and executed, the Operating system of the victim is infected and BluStealer is distributed within the infected system. Other modes of distribution include PDF Documents, Microsoft Office Files, JavaScript files, or zipped and archived files. Blustealer can also log keyboard inputs to steal data. It can steal credentials stored on web browsers like chrome, firefox, and others and also extract database files from online wallets like Bytecoin, Electrum, Guarda, and others. 

Impact

  • Keystroke Logger
  • Information Stealer

Indicators of Compromise

MD5

  • 61095557481992f46fb393bbdbec000a
  • 334a47ca828db802167c63cd913c4ce7
  • 60b5efcc9ea0f944ac7fab44ace01de9
  • 6066ef6485727c6ec277de79b0bf8f00
  • 01d4b90cc7c6281941483e1cccd438b2
  • 6f7302e24899d1c05dcabbc8ec3e84d4
  • 4509c33c251e8e075e4aa95001e35cdf
  • 00cdcfc91db339be14f441be75e0dec7
  • 6ae510da968ebcbf5a8661c080ac12fd
  • a1329dab78d5bac41e39034d840c30f1

SHA-256

  • f5cb1fde3016b1c8c6927d64cca4a84f81987b50382c19b42c4e1b5f137360f2
  • 1bd85ed9bcbbe87a69f4c4764438e0df0cba8d5799d05a7bed911b5c57c33e4e
  • 84b28e876636b333e63e90bf2aa72ca80ff891c8bdebcb85200fba34d865bb91
  • 4a4dfa10b15f6169d9523beb501854f5aafcf99e9e4ebb2684a61f84e5f2fed3
  • ee81765b79c8738358a8c948b2f776797bf2f0393084ae9d53aad666b3afd58e
  • 7abe87a6b675d3601a4014ac6da84392442159a68992ce0b24e709d4a1d20690
  • 607ad573978eee16b39e5cb9ee929417ff6b3fa95581a6776238f2af7a25f9e1
  • 0db682d068f4287310e6cc0da8d96c9f2acd86c369736e22092e60865aba88e8
  • b340e287c5c5cd48a5d27c71808dc75c3fd3a69a6cad029db2332e19d998bb82
  • 357a1ab96f5556dda94062de9d9dca66c60088a55b53e322ab84faadd5d8ed2e

SHA-1

  • bf8477eb50ec218ac215c2ff02dc95a9469ded73
  • fd836463b0b23ae3ff6617b3180093ffffa156c8
  • e127126f99818d24118b1b51f6a773b9a2a1cb32
  • ddf79166b6f0c6a5033c809519ba71fb98053930
  • 1ff33e7c7819d3f59c04e979a847901a639bc254
  • 11a5cbb08fc5698fd3bf3fd086ba0fcd954ecdec
  • f7987c9d0fe63d6bd5bb4578292a036e83d566ce
  • 69d6ef1351be5ecf24cf634bb45d8abf76a89d62
  • 954411a295d35020e447be1535253d800d463efe
  • 064620fb5693a33417450521fa2ec92ab2d10380

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.
  • Monitor logs for unusual activity.
  • 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.