LAZARUS & WATERING-HOLE ATTACKS

2017-02-12 • Bae Systems •

http://baesystemsai.blogspot.kr/2017/02/lazarus-watering-hole-attacks.html

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BAE Systems analyzed the Polish financial-sector watering-hole attacks reported by BadCyber and found infrastructure and malware overlaps with other activity against banks in Mexico and Uruguay. The suspected infection path began with the Polish Financial Supervision Authority site redirecting selected visitors to sap.misapor[.]ch and eye-watch[.]in, which hosted malicious JavaScript and payload delivery paths. One available sample unpacked to a malware variant seen in Lazarus tooling during the previous year, using RC4-based decryption, service-installation arguments, and command-and-control behavior. BAE also connected eye-watch[.]in to a Silverlight XAP exploit based on CVE-2016-0034 and noted that similar watering-hole redirects had appeared on the Mexican banking regulator’s site and a Uruguayan bank site. The findings matter because they tie the Polish bank compromises to a broader financial-sector targeting pattern and infrastructure set with Lazarus-toolkit overlap, while keeping some delivery details provisional.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 95c8ffe03547bcb0afd4d025fb14908… 2017-02-12 2020-03-09
HASH 99017270f0af0e499cfeb19409020bf… 2017-02-12 2020-03-09
HASH d4616f9706403a0d5a2f9a8726230a4… 2017-02-03 2020-03-09
DOMAIN knf.gov 2017-02-03 2017-05-30
HASH c1364bbf63b3617b25b58209e4529d8c 2017-02-03 2017-04-03
HASH 1bfbc0c9e0d9ceb5c3f4f6ced6bcfeae 2017-02-03 2017-04-03
DOMAIN sap.misapor.ch 2017-02-03 2017-04-03
HASH c1b29afcfddb79cfd57545b86009221… 2017-02-12 2017-02-20
HASH 200c0f4600e54007cb4707c9727b117… 2017-02-12 2017-02-12
HASH 825624d8a93c88a811262bd32cc51e1… 2017-02-12 2017-02-12
HASH 00501384ff0a9b6c20f12961008ebe5… 2017-02-12 2017-02-12
HASH e535cf04335e92587f640432d4ec383… 2017-02-12 2017-02-12
URL http://brou.com.uy 2017-02-12 2017-02-12
URL https://www.eye-watch.in/design… 2017-02-12 2017-02-12
URL http://www.eye-watch.in/jscroll… 2017-02-12 2017-02-12
DOMAIN brou.com.uy 2017-02-12 2017-02-12
URL http://sap.misapor.ch/vishop/vi… 2017-02-03 2017-02-12
URL https://www.eye-watch.in/design… 2017-02-03 2017-02-12
IPv4 196.29.166.218 2017-02-03 2017-02-12
IPv4 125.214.195.17 2017-02-03 2017-02-12

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