Disclosure of Chilean Redbanc Intrusion Leads to Lazarus Ties

2019-01-15 Flashpoint-intel

https://www.flashpoint-intel.com/blog/disclosure-chilean-redbanc-intrusion-lazarus-ties/

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Flashpoint tied the December 2018 intrusion at Chilean interbank network Redbanc to PowerRatankba, a Lazarus-linked reconnaissance and downloader toolkit. The reported initial vector was a fake job application and Spanish Skype interview that led a trusted Redbanc IT professional to run a .NET dropper disguised as job-application software. The dropper contacted ecombox[.]store, wrote and executed C:\users\public\REG_TIME.ps1, and launched PowerRatankba to collect host, user, process, proxy, file-share, SMB, and RDP data through WMI and registry queries. Redbanc said the malware was installed on its corporate network but was mitigated without impact to operations, services, or infrastructure.

Indicators of Compromise

Type Value First Seen Last Seen
DOMAIN ecombox.store 2019-01-15 2020-09-16
URL https://ecombox.store/tbl_add.p… 2019-01-15 2019-01-15
URL https://bodyshoppechiropractic.… 2019-01-15 2019-01-15
DOMAIN bodyshoppechiropractic.com 2019-01-15 2019-01-15

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