Tuesday, February 27, 2024

Coinhoarder Hackers Abused Google AdWords & Earned More than $50 Million via Bitcoin Phishing Campaign

Ukraine Cyberpolice and Researchers from Cisco Talos uncovered a Bitcoin Phishing campaign that uses Google AdWords to find their victim. Attackers targeted specific geographic regions to earn millions of cryptocurrency from victims.

The campaign is very simple after the initial setup attackers purchased Google AdWords to poison search results and to steal cryptocurrencies from user wallets.

When users search with the keyword “blockchain” or “bitcoin wallet” the spoofed links that look legitimate appears at the top and servers the content in native language based on the location of victims. Here you find the complete list of phishing sites involved.

Bitcoin Phishing

Also Read Russian Scientists arrested for using Secret Nuclear Weapons Lab Supercomputer to Mine Bitcoin

Researchers said the domain block-clain[.]info was used an initial gateway and then redirected to blockchalna[.]info which is the final page that resembles the original site. The attack works as follows.

Bitcoin Phishing - 1
Click & Enlarge for clear view
Ukraine Cyberpolice says “According to our approximate estimates, only from September to December 2017, using the above method, the intruders took possession of a 700-BTC crypt of foreign currency (at the time of writing this amount is equivalent to the US $ 5 million)”.

The Attackers targets the developing African countries where the local currencies are not so stable and also the countries whose first language is not English.

Cisco said “we have evidence the COINHOARDER group has been actively pilfering Bitcoin since at least 2015. Based on our findings associated with this syndicate, we estimate the COINHOARDER group to have netted over $50M dollars over the past three years”.

The Coinhoarder made heavy use of typosquatting and brand spoofing methods to make the domains more convincing, they also used international domain names appears as like English.

The Punycode (internationalized) version is on the left, the translated (homographic) version on the right:

xn--blockchan-d5a[.]com → blockchaìn[.]com
xn--blokchan-i2a[.]info → blokchaín[.]info

IOC’S – Bitcoin Phishing 

The following IP address is known to have been used in these phishing attacks:



Latest articles

Abyss Locker Ransomware Attacks Microsoft Windows and Linux Users

FortiGuard Labs has released a report detailing the emergence and impact of the Abyss...

14-Year-Old CMS Editor Flaw Exploited to Hack Govt & Edu Sites

Hackers have exploited a vulnerability in a 14-year-old Content Management System (CMS) editor, FCKeditor,...

Zyxel Firewall Flaw Let Attackers Execute Remote Code

Four new vulnerabilities have been discovered in some of the Zyxel Firewall and access...

Hackers Abuse Telegram API To Exfiltrate User Information

Attackers have been using keywords like "remittance" and "receipts" to spread phishing scripts using...

ThreatHunter.ai Stops Hundreds of Attacks in 48 Hours: Fighting Ransomware and Nation-State Cyber Threats

The current large surge in cyber threats has left many organizations grappling for security...

WordPress Plugin Flaw Exposes 200,000+ Websites for Hacking

A critical security flaw has been identified in the Ultimate Member plugin for WordPress,...

Hackers Actively Hijacking ConnectWise ScreenConnect server

ConnectWise, a prominent software company, issued an urgent security bulletin on February 19, 2024,...
Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Live Account Takeover Attack Simulation

Live Account Take Over Attack

Live Webinar on How do hackers bypass 2FA ,Detecting ATO attacks, A demo of credential stuffing, brute force and session jacking-based ATO attacks, Identifying attacks with behaviour-based analysis and Building custom protection for applications and APIs.

Related Articles