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    March 17, 2023
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    Rewterz Threat Alert – Chaos Ransomware – Active IOCs
    Severity High Analysis Summary Chaos is a customizable ransomware builder that emerged on June 9 2021 (in underground forums) by falsely marketing itself as the .NET […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Advisory – Multiple Adobe ColdFusion Vulnerabilities
    Severity High Analysis Summary CVE-2023-26361 CVSS:4.9 Adobe ColdFusion could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially […]
    March 17, 2023
    March 17, 2023
    Rewterz Threat Alert – Ursnif Banking Trojan aka Gozi – Active IOCs
    Severity Medium Analysis Summary Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 […]

    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
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    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

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    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
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Rewterz Threat Alert – KingMiner Cryptocurrency Mining Malware

November 28, 2019

Severity

High

Analysis Summary

Blasting attacks against weak SQL passwords are resurfacing as KingMiner miners have controlled tens of thousands of computers. KingMiner variant is a Monero coin mining Trojan that performs a blasting attack against a Windows server MSSQL. Attackers have used a variety of evasion techniques to bypass the virtual machine environment and security detection, which caused some anti-virus engines to fail to detect it accurately. The current version of KingMiner has the following features: 
1.     Blasting attacksagainst MSSQL 
2.     Use WMI timers and Windows scheduled tasks for persistent attacks
3.     Shut down the RDP service on the machine with the CVE-2019-0708 vulnerability to prevent other mining groups from invading and monopolize the controlled computer mining resources
4.     Use base64 and specific encoded XML , TXT , PNG files to encrypt Trojan horse programs
5.     Using the signature files of Microsoft and several well-known manufacturers as the parent process, “white + black” starts the Trojan DLL .

bc67a9e27a0b2363cce40865fd937339.png

The attack uses the Windows privilege escalation vulnerability CVE-2019-0803. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode and then install programs; view, change, or delete data; or create users with full user rights New account.

Impact

  • Crypto-currency mining
  • Unauthorized Access
  • Privilege Escalation
  • Remote Code Execution

Indicators of Compromise

Hostname

  • 4056[.]309cffdae[.]tk
  • aa[.]30583fdae[.]tk
  • news.g23thr[.]com
  • q.112adfdae[.]tk
  • w.30713fdae[.]tk
  • 5921[.]1d28ebfdae[.]com
  • w.homewrt[.]com
  • 3843.1d28ebfdae[.]com
  • ww33.3096bfdae[.]com
  • a.1b051fdae[.]tk
  • 3023.309cffdae[.]tk
  • q.30583fdae[.]tk
  • a.qwerr[.]ga
  • w.ddff1[.]tk
  • 5311.1d28ebfdae[.]com

MD5

  • e3accf5a6f58932e56192bfbcbf0804c
  • c874dbb6bf3664990b57d07d7d220ee6
  • 78b56b92c2e7a42520fb99a84d78cf92
  • b0ab674b842822358be8cd5f6dc91554
  • 2b702a22963448c164db26807a308d50
  • be45959bc043a4fe88351cd03289f240
  • c568d6028735cdc2a1ddd3c01f14ca80
  • 21048ff02894656b5b24d4ed3c8a2882
  • 465373b74d163028add70f0d2b0966d0
  • 7def058c5d2acb660f394d04b4698580
  • 23ef4da80f6985a78c4a59467ac4612f
  • 88a5c4645c2a9d0481fd0a846e49b773
  • 4d910cb71c2f55bde48521f7ae062da4
  • 20e502ff977b336d9e7785186b16c68a

SHA-256

  • 9714ea73cb7d5515e33c14718e47eea2db6bf52cd5371422e663a96ec03af9ee
  • bddaca596cb8b29b314c380b0fa42566a3d7e669506b3a0dc645bf6da51146dd
  • e780de64c5a571d14eed791bc70d462f8724e2d54c8494b37085cefe7816db54
  • e0a4c175db246124881405010af97b08abb60889a41f4080ede7bdd160a8469b
  • 3902d0bfbb18ba27084713bdda1ccb23f19934f6621df70ac11aed0b6ee4efb3
  • 5359884aa9fa78763e46a6aa86d4796dfb1bbb3533026cf324166e55d8a4e4e9
  • 1f7c6f11af601500c50b5ad04e0952aa835c54aba0c85dd62875eab34d0150b1
  • c235c44e7904d04c5bd0db76d9b55eb53f0fdb8631a1c9eb6ca3d2bc6494ab02
  • 995108745ef411df25b7cf47d4609d12e4408e674ca6fd882114cd5c19e2bf01
  • f92387df7c80e7e379a02f118cbdb5643151da3a99e61270ca890ce62bca82d9
  • 5bbb40df52745e6762b1b216df692a72ac0491f473b979b22fd310fcbddc114c
  • 46131dedf1962a9bda9035eee75058e60d5725d45afb5ea74c614a33f6083b8a
  • 0fb48695bb5796c214958868ed0d6fdd0ebd2b9c9ad0e273549c442a0b7f8006
  • de9a4dc5507eb4bdcdcb173313e55fc3091a93e270b9bd10c28fc4d8cca84093

Source IP

  • 107.154.161[.]209
  • 95.179.131[.]54
  • 107.154.158[.]39

URL

  • hxxp[:]//w.30713fdae[.]tk/32a1[.]zip
  • hxxp[:]//w.homewrt[.]com:9761
  • hxxp[:]//95.179.131[.]54:9761
  • hxxp[:]//32a1[.]zip/64a1.zip
  • hxxp[:]//w.30713fdae[.]tk/32tl.zip
  • hxxp[:]//w.homewrt[.]com:9761
  • hxxp[:]//95.179.131[.]54:9761
  • hxxp[:]//32a1[.]zip/64a1.zip
  • hxxp[:]//w.30713fdae[.]tk/32tl.zip

Remediation

  • Block the threat indicators at their respective controls.
  • Fix the elevation of privilege vulnerability CVE-2019-0803.
  • Reinforce the SQL Server and patch server security holes. Use a secure password policy and strong passwords.
  • Modify the default port of the SQL Server service, change the default 1433 port setting based on the original configuration, and set the access rules to reject 1433 port detection.

Platform

  • Rewterz XDR
  • Rewterz Defense
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Managed Security Services

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  • Onsite SOC
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Assess

  • Compromise Assessment
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  • Architecture Design & Review
  • Red Team Assessment
  • Purple Team Assessment
  • Social Engineering
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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
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Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
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