Cybersecurityconsultants and expertsat Japan DigitalDesigne [JDD], a subsidiary of Mitsubishi UFJ financial group[MUFG], say they’ve foundpossiblerevealingdataon thebadactors behind the recent $60 Mln hack of Japanese crypto exchange Zaif.
While announcing in its official press release, the company stated thatithad beeninvestingthe outflow of funds from Zaif exchange sinceafter its hack, in line with Takayuki Sugiura at information-securityconsultancyLPlus and securityconsultantsfrom a “capture the flag” cybersecurity teamknown asTokyoWesterns.
Oncesome number ofthestolenfunds,within theMona-Coin cryptocurrency, started beingtransferredlate last month, JDD stated it had beenable todeterminethe “source” of the attackers.
The teamaddedthatit hasshared thisdatawith the authorities, stating: “Since the Mona-Coin cryptocurrency began moving from20th Oct.,we investigated thesourceof5transactions in question and provideddatato the authoritiesregardingthe characteristics of the transactionmastermind.”
While therearefew specific details provided andit’sadditionallyunclearhowcorrectthe informationcollected is,the official releasefurther adds, [viaon-linetranslation]:
“In the investigation of the leaked virtual currency,paymentroute has beenanalyzedthrough static analysis of the block chain,howeverwith this effort, by deploying the virtual currency node onan oversizedscaleonce the outflow of the virtual currency,we were able to verifywhether or not,we canacquireclueslikesources IPaddress etc.We also gotadditional helpful datato knowthe accuracy ofthe knowledge along with the costoftracking.”
Zaif, acommissionedcrypto exchange in Japan, was hacked earlier in the month of Sept., losing cryptocurrencyworth ofaround $60 Mln at the time,together withBitcoin [BTC], BitcoinCash [BCH]and Mona-coin.
Even last month, Japanesemonetaryregulator, the FSA [FinancialServices Authority],stated thatit had beenseekingdatafromTechBureau, the operator of Zaif,together withwhy there was a delay inreportingthe hack.
Tech BureauadditionallydisclosedinOcta conceptto compensate userswholost fundswithin thisattack – a move that saw it signanagreement to transfer the Zaif exchange business toin publiclistedinvested firmFisco.
Japan reportedly lost around $540 Mln to crypto hackswithin thefirst6 months of this year in 2018,in line withthe informationfrom National Police Agency [NPA].