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    Rewterz Threat Alert – IcedID Used Steganography to Hide Payload

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    Rewterz Threat Alert -New Golang-Based Botnet GoBruteforcer Breaches Web Servers – Active IOCs
    Severity High Analysis Summary According to researchers, a Golang-based botnet named GoBruteforcer has been discovered, which is specifically targeting web servers running FTP, MySQL, phpMyAdmin, and […]
    March 15, 2023
    March 15, 2023
    Rewterz Threat Alert – DarkComet RAT (Remote Access Trojan) – Active IOCs
    Severity High Analysis Summary DarkComet RAT (Remote Administration Tool) is a type of malware that is designed to allow attackers to gain remote access to a […]
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    March 15, 2023
    Rewterz Threat Advisory -Multiple Microsoft Windows Products Vulnerabilties
    Severity High Analysis Summary CVE-2023-23410 CVSS:7.8 Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in […]

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    Rewterz Threat Alert – IcedID Used Steganography to Hide Payload

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    March 15, 2023
    March 15, 2023
    Rewterz Threat Alert -New Golang-Based Botnet GoBruteforcer Breaches Web Servers – Active IOCs
    Severity High Analysis Summary According to researchers, a Golang-based botnet named GoBruteforcer has been discovered, which is specifically targeting web servers running FTP, MySQL, phpMyAdmin, and […]
    March 15, 2023
    March 15, 2023
    Rewterz Threat Alert – DarkComet RAT (Remote Access Trojan) – Active IOCs
    Severity High Analysis Summary DarkComet RAT (Remote Administration Tool) is a type of malware that is designed to allow attackers to gain remote access to a […]
    March 15, 2023
    March 15, 2023
    Rewterz Threat Advisory -Multiple Microsoft Windows Products Vulnerabilties
    Severity High Analysis Summary CVE-2023-23410 CVSS:7.8 Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

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Rewterz Threat Alert – Clever Microsoft Phishing Scam Creates a Local Login Form
December 9, 2019
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Rewterz Threat Alert – Trick Bot – Fake Payroll Emails to Conduct Phishing Attacks
December 10, 2019

Rewterz Threat Alert – IcedID Used Steganography to Hide Payload

December 10, 2019

Severity

Medium

Analysis Summary

While investigating a recent malspam campaign that targeted the United States and distributed the IcedID Trojan, researchers from Malwarebytes Labs noticed some changes, one of which was the payload being delivered using steganography. The payload data is encrypted and encoded within a PNG image file. The email in the malspam campaign had the subject line of “USPS Delivery Unsuccessful Attempt Notification” and had attached to them a Word document that contained malicious macros. If the email recipient opened the document and enabled macros, the end result would be the installation of the IcedID Trojan. Persistence is achieved using a scheduled task. IcedID will inject implants into web browsers in order to steal financial information. It also steals other information such as credentials from various applications and cookies. IcedID can also, on instructions from its C&C server, install additional malware.

Impact

  • Credential theft
  • Financial loss

Indicators of Compromise

MD5

  • 29E709CEB0FA00ED56CD9E3CED4FDC70
  • 407CDE16473474C15F66651307E42D9B

SHA-256

  • 58c8518a85d32448881050757f6a8b0468636d3ebb74315023d9963b32355501
  • 7aa3ef953f07267af9389d26ce7214cfcef453436c7dee78f39b924d21312464

SHA1

  • 8afbecd6f857f4e512193449864326518648d3b0
  • c66bede3d34261c2b86fb9f1d75ac5059c4233b9

URL

  • http://104.168.198.230/wordupd.tmp

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.

Platform

  • Rewterz XDR
  • Rewterz Defense
  • Rewterz Threat Intelligence

Managed Security Services

  • Managed Security Monitoring
  • Remote SOC
  • Onsite SOC
  • Hybrid SOC

Assess

  • Compromise Assessment
  • APT Assessment
  • Penetration Testing
  • 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

  • Simulated Cyber Attack Exercise
  • Tabletop Exercise
  • Security Awareness and Training

Respond

  • Incident Analysis
  • Incident Response

Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
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