Yeliz Akmaca 
Binance Yi He WeChat account breach triggered sudden volatility across the market. The fake endorsement post instantly drove a surge of interest toward a little-known meme coin called MUBARA, causing a sharp price spike within minutes. The incident highlighted once again how effective social engineering tactics can still be. Although Binance issued rapid warnings, the manipulation cycle was completed before users fully realized what had happened.
Account Breach Triggered a Manipulation Wave
The hacked account was used to distribute a fake endorsement that instantly boosted visibility for a low-liquidity token. The attacker created two fresh wallets and accumulated millions of MUBARA tokens at low prices, indicating a pre-planned operation. The fabricated signal then pushed retail traders into rapid buying, speeding up the price rally.
Such attacks often rely on exploiting a trusted figure’s account. Manipulative content spread through social platforms can cause severe volatility, especially in the meme coin segment.
Yi He stated that she no longer uses WeChat and that the phone number linked to the account had been compromised. She explained that she was unable to regain access, revealing that the attack targeted a communication vulnerability.
On-Chain Data Clarified the Attack’s Structure
Analytics platforms showed that the attacker accumulated about 21.16 million MUBARA tokens using roughly 19,479 USDT. The rapid price spike that followed these purchases reflected the onset of a coordinated manipulation flow. As new liquidity entered the market, the attacker’s wallets began offloading their positions and selling into the rising price.
Blockchain traces confirmed that the incident involved a hybrid mechanism combining social-engineering and trading manipulation. The entire process unfolded within minutes, exposing the fragility of low-liquidity assets.
Lookonchain’s data shows that the attacker has already realized a significant portion of the profit. Approximately 11.95 million MUBARA were sold for 43,520 USDT. The wallet still holds around 9.21 million tokens worth nearly 31,000 dollars. With the remaining unsold supply, the total profit is estimated to be close to 55,000 dollars.
Someone hacked @heyibinance's WeChat account, and posted about $Mubarakah, sending the token's price soaring. @cz_binance
The hacker created 2 new wallets(0x6739 and 0xD0B8) ~7 hours ago and spent 19,479 $USDT to buy 21.16M $Mubarakah.
After the pump, the hacker has already… pic.twitter.com/39ncDQjgSe
— Lookonchain (@lookonchain) December 10, 2025
Warnings Issued After the Incident
Changpeng Zhao confirmed the breach and urged users to ignore fraudulent promotions. He emphasized once again that Web2 platforms lack strong security infrastructures. His call highlighted the importance of relying only on verified announcements from official sources.
“Someone hacked @heyibinance’s WeChat account. Do not buy meme coins from the hackers’ posts. Web2 social media security is not that strong. Stay safe.”
The event showed how quickly investors can be exposed to major risks when reacting to sudden price movements. The meme coin market remains one of the most vulnerable areas for manipulation.
This incident illustrates a new attack model combining social-engineering and rapid buy-sell exploitation.
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