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美國哥倫比亞特區檢察官最近提起的兩起沒收訴訟揭露了有關北韓加密貨幣駭客如何洗錢的新細節
The U.S. government is seeking to seize about $2.67 million in cryptocurrency stolen by North Korean crypto hackers in two major hacks, according to two recent forfeiture actions filed by the U.S. Attorney for the District of Columbia.
根據哥倫比亞特區美國檢察官最近提起的兩項沒收行動,美國政府正在尋求扣押北韓加密貨幣駭客在兩次重大駭客攻擊中竊取的約 267 萬美元的加密貨幣。
The government is aiming to recover about $1.7 worth of Tether (USDT) stolen from crypto options exchange Deribit in November 2022 by North Korean hackers linked to the Lazarus Group. The funds were laundered through crypto mixer Tornado Cash, part of the Deribit hack proceeds, which amounted to about $28 million.
政府的目標是追回與 Lazarus 集團有關的北韓駭客於 2022 年 11 月從加密選擇交易所 Deribit 竊取的價值約 1.7 美元的 Tether (USDT)。這些資金是透過加密貨幣混合器 Tornado Cash 洗錢的,是 Deribit 駭客攻擊所得的一部分,金額約為 2800 萬美元。
Additionally, the government seeks to seize about 15.5 Avalanche-bridged Bitcoin (BTC.b), currently valued at about $971,000, which were part of the Lazarus Group's $41 million hack of online crypto casino Stake.com.
此外,政府還尋求扣押約 15.5 個 Avalanche 橋接比特幣 (BTC.b),目前價值約 971,000 美元,這是 Lazarus 集團對線上加密賭場 Stake.com 進行的價值 4,100 萬美元駭客攻擊的一部分。
The Deribit funds were traced through Tornado Cash by law enforcement, who noted similarities between certain Ethereum wallets. The wallets received transfers around the same time (within minutes of each other), utilized similar cross-chain bridges, and obtained funding for transaction fees from the same address, with the funds eventually winding up in the same consolidation addresses.
執法部門透過 Tornado Cash 追蹤了 Deribit 資金,他們注意到某些以太坊錢包之間存在相似之處。這些錢包大約在同一時間(彼此相隔幾分鐘)收到轉賬,利用類似的跨鏈橋,並從同一地址獲得交易費用資金,這些資金最終會在同一整合地址中結束。
The hackers attempted to convert the Ethereum assets to USDT in three waves as the first two attempts to launder the funds were halted when law enforcement froze some of the funds in question. However, the hackers successfully laundered the remaining funds in the third attempt, leaving law enforcement with about $1.7 million in USDT frozen from five relevant wallets.
駭客試圖分三波將以太坊資產轉換為 USDT,前兩次洗錢嘗試因執法部門凍結了部分相關資金而停止。然而,駭客在第三次嘗試中成功洗掉了剩餘資金,導致執法部門從五個相關錢包中凍結了約 170 萬美元的 USDT。
The funds stolen from Stake.com were laundered in three stages: converting the funds into BTC through Avalanche's Bitcoin bridge, moving the stolen BTC through Bitcoin mixers Sinbad and Yonmix, and finally converting the Bitcoin into stablecoins such as USDT. The relevant funds were frozen during the first and third stages, likely through asset freeze requests to the Avalanche Bridge.
從Stake.com竊取的資金分三個階段進行洗錢:透過Avalanche的比特幣橋將資金轉換為BTC,透過比特幣混合器Sinbad和Yonmix轉移被盜的BTC,最後將比特幣轉換為USDT等穩定幣。相關資金在第一和第三階段被凍結,可能是透過向雪崩大橋提出資產凍結請求。
During stage one, law enforcement froze assets from seven transactions that generally involved converting stolen assets into native tokens and then bridging that value to Bitcoin through the Avalanche Bridge. However, despite the government's intervention, "the North Koreans were able to transfer the majority of the stolen funds to the BTC blockchain," the filing states.
在第一階段,執法部門凍結了七筆交易的資產,這些交易通常涉及將被盜資產轉換為原生代幣,然後透過雪崩橋將該價值橋接到比特幣。然而,文件稱,儘管政府進行了乾預,「北韓人仍能夠將大部分被盜資金轉移到 BTC 區塊鏈上」。
Once on Bitcoin, the hackers used mixers Sinbad and Yonmix to further conceal the movement of the stolen funds. "Law enforcement traced the flow of the stolen funds through both mixing services to the next stage of the North Korean hackers’ laundering process," the filing states, though despite identifying the consolidation wallet the officials were only able to recover an additional .099 BTC.
一旦進入比特幣,駭客就使用混合器 Sinbad 和 Yonmix 來進一步隱藏被盜資金的動向。文件稱,“執法部門通過兩種混合服務追踪到被盜資金流向朝鮮黑客洗錢過程的下一階段”,不過儘管確定了合併錢包,官員們只能額外追回 0.099 BTC 。
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