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    Rewterz Threat Alert – DeathRansom Attacks Targeting Users

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    March 22, 2023
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    Rewterz Threat Alert – Mekotio Banking Trojan aka Melcoz – Active IOCs
    Severity Medium Analysis Summary Mekotio is a banking trojan that targets users in Latin America and Europe. It is primarily distributed via phishing emails and infected […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Update – Cyber Threat Intelligence Advisory – 23rd March Pakistan Day
    Analysis Summary Overview – 23rd Mar – A Big Day –  As we approach the 23rd of March, Pakistan Day, organizations and individuals should be aware […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Advisory -Multiple Jenkins Products Vulnerabilities
    Severity High Analysis Summary CVE-2023-28684 CVSS:7.1 Jenkins remote-jobs-view-plugin Plugin could allow a remote authenticated attacker to obtain sensitive information, caused by improper handling of XML external […]

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    Annual Threat Intelligence Report 2022
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    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.

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    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.
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    Read More about XDR

    Platform

    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Alert – DeathRansom Attacks Targeting Users

    Managed Security Services

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

    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

    Assess

    • Compromise Assessment
    • APT Assessment
    • Penetration Testing
    • Architecture Design & Review
    • Red Team Assessment
    • Purple Team Assessment
    • Social Engineering
    • Source Code Review

    Transform

    • SOC Consultancy
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    March 22, 2023
    March 22, 2023
    Rewterz Threat Alert – Mekotio Banking Trojan aka Melcoz – Active IOCs
    Severity Medium Analysis Summary Mekotio is a banking trojan that targets users in Latin America and Europe. It is primarily distributed via phishing emails and infected […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Update – Cyber Threat Intelligence Advisory – 23rd March Pakistan Day
    Analysis Summary Overview – 23rd Mar – A Big Day –  As we approach the 23rd of March, Pakistan Day, organizations and individuals should be aware […]
    March 22, 2023
    March 22, 2023
    Rewterz Threat Advisory -Multiple Jenkins Products Vulnerabilities
    Severity High Analysis Summary CVE-2023-28684 CVSS:7.1 Jenkins remote-jobs-view-plugin Plugin could allow a remote authenticated attacker to obtain sensitive information, caused by improper handling of XML external […]

    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.

    Connect with Us

    • Contact
    • Careers
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Rewterz
Rewterz Threat Alert – H-Worm Samples Targeting Middle East
December 3, 2019
Rewterz
Rewterz Threat Alert – Mobile Cyberespionage Campaign Distributed Through CallerSpy
December 3, 2019

Rewterz Threat Alert – DeathRansom Attacks Targeting Users

December 3, 2019

Severity

High

Analysis Summary

A new ransomware named DeathRansom began to function as intended around mid-November, encrypting victim files and additionally, there was was a spike in the number of DeathRansom submissions. When executed, it added an extension to files, but they weren’t actually encrypted. Like many other ransomware variants, DeathRansom will attempt to clear shadow volume copies. DeathRansom doesn’t add an extension to the encrypted files but does append a file marker, ABEFCDAB, to the end of the encrypted files. There is a list of files not to encrypt, all other files are encrypted and a copy of the ransom note left in each directory where files have been encrypted. The ransom note asks for a fee of 0.1 BTC, payable to a specified wallet, within 12 hours of the files being encrypted. An email address is also provided. The report does not provide any indication of how DeathRansom has been distributed but does note that since the spike in submissions, reports have decreased significantly.

Impact

File encryption

Indicators of Compromise

Email

deathransom@airmail.cc

SHA-256

  • 87d745aa921f201bccb4dd6a6f5af9f0d9c9312114f46779c8980b6f8193f099
  • da47aa3b75c85091c708366a8d8534789887b6cc42f42794b0652e280d56a405
  • 7c2dbad516d18d2c1c21ecc5792bc232f7b34dadc1bc19e967190d79174131d1
  • fedb4c3b0e080fb86796189ccc77f99b04adb105d322bddd3abfca2d5c5d43c8
  • 0cf124b2afc3010b72abdc2ad8d4114ff1423cce74776634db4ef6aaa08af915
  • ab828f0e0555f88e3005387cb523f221a1933bbd7db4f05902a1e5cc289e7ba4
  • 5ac169ed286f20cbb4a18a078f0a090b5771a5155120ffca8bd7f875b38ae8a6
  • 13d263fb19d866bb929f45677a9dcbb683df5e1fa2e1b856fde905629366c5e1
  • 2b9c53b965c3621f1fa20e0ee9854115747047d136529b41872a10a511603df8
  • 66ee3840a9722d3912b73e477d1a11fd0e5468769ba17e5e71873fd519e76def

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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