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Internet Explorer and Windows zero

Kaspersky Securelistby @Securelist ()12 min read2 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2018-8653
Memory Corruption RCE in Microsoft Internet Explorer Scripting Engine
7.530%KEV
KEV
CVE-2019-0676
Information Disclosure in Microsoft Internet Explorer via Improper Memory Handling
6.58%KEV
KEV
CVE-2019-1429
Memory corruption RCE in Microsoft Internet Explorer scripting engine
7.577%KEVPoC
KEV
CVE-2020-0674
Use-After-Free RCE in Microsoft Internet Explorer Scripting Engine
7.587%KEVPoC ×4
KEV
CVE-2020-0986
Windows Kernel Out-of-Bounds Write Enables Local Privilege Escalation (CVE-2020-0986)
7.816%KEV
KEV
CVE-2020-1380
Memory Corruption RCE in Microsoft Internet Explorer Scripting Engine
7.824%KEV
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domainwww.static-cdn1.comed PowerShell command that proceeds to download a file from www[.]static-cdn1[.]com/update.zip, saves it to the temporary folder as upgrade
md55877eaeca1fe8a3a15d6c8c5d7fa240b2CFFC18194107CC5BF76AECA7E87E9082FED64A535722AD4502A4D51199 5877EAECA1FE8A3A15D6C8C5D7FA240B 7577E42177ED7FC811DE4BC854EC226EB037F797C3B114E163940A86FD8
md5b06f1f2d3c016d13307bc7ce47c90594ble was downloaded. IoCs www[.]static-cdn1[.]com/update.zip B06F1F2D3C016D13307BC7CE47C90594 D02632CFFC18194107CC5BF76AECA7E87E9082FED64A535722AD4502A4D
md5b72731b699922608ff3844ccc8fc36b442177ED7FC811DE4BC854EC226EB037F797C3B114E163940A86FD8B078B B72731B699922608FF3844CCC8FC36B4 7765F836D2D049127A25376165B1AC43CD109D8B9D8C5396B8DA91ADC61
md5e01254d7af1d044e555032e1f78ff38f836D2D049127A25376165B1AC43CD109D8B9D8C5396B8DA91ADC61ECCB1 E01254D7AF1D044E555032E1F78FF38F 81D07CAE45CAF27CBB9A1717B08B3AB358B647397F08A6F9C7652D00DBF
sha2567577e42177ed7fc811de4bc854ec226eb037f797c3b114e163940a86fd8b078bFED64A535722AD4502A4D51199 5877EAECA1FE8A3A15D6C8C5D7FA240B 7577E42177ED7FC811DE4BC854EC226EB037F797C3B114E163940A86FD8B078B B72731B699922608FF3844CCC8FC36B4 7765F836D2D049127A25376165
sha2567765f836d2d049127a25376165b1ac43cd109d8b9d8c5396b8da91adc61eccb197C3B114E163940A86FD8B078B B72731B699922608FF3844CCC8FC36B4 7765F836D2D049127A25376165B1AC43CD109D8B9D8C5396B8DA91ADC61ECCB1 E01254D7AF1D044E555032E1F78FF38F 81D07CAE45CAF27CBB9A1717B0
sha25681d07cae45caf27cbb9a1717b08b3ab358b647397f08a6f9c7652d00dbf2ae248B9D8C5396B8DA91ADC61ECCB1 E01254D7AF1D044E555032E1F78FF38F 81D07CAE45CAF27CBB9A1717B08B3AB358B647397F08A6F9C7652D00DBF2AE24
sha256d02632cffc18194107cc5bf76aeca7e87e9082fed64a535722ad4502a4d51199atic-cdn1[.]com/update.zip B06F1F2D3C016D13307BC7CE47C90594 D02632CFFC18194107CC5BF76AECA7E87E9082FED64A535722AD4502A4D51199 5877EAECA1FE8A3A15D6C8C5D7FA240B 7577E42177ED7FC811DE4BC854

From the original article

12 min read at securelist.com

In May 2020, Kaspersky technologies prevented an attack on a South Korean company by a malicious script for Internet Explorer. Closer analysis revealed that the attack used a previously unknown full chain that consisted of two zero-day exploits: a remote code execution exploit for Internet Explorer and an elevation of privilege exploit for Windows.

Kaspersky Securelist

By @Securelist · securelist.com

Read the full article at Kaspersky Securelist

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.