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Flash 0-Day In The Wild: Group 123 At The Controls

Cisco Talos ()3 min read2
Analyze CVE-2018-4878 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2018-4878
Use-After-Free RCE in Adobe Flash Player before 28.0.0.161
7.890%KEVRansomwarePoC ×2
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domainwww.1588-2040.co.kre URLs where this additional payload was downloaded: hxxp://www[.]1588-2040[.]co[.]kr/conf/product_old.jpg hxxp://www[.]1588-2040[.]co[.]kr
domainwww.dylboiler.co.krage.php hxxp://www[.]korea-tax[.]info/main/local.php hxxp://www[.]dylboiler[.]co[.]kr/admincenter/files/board/4/manager.php All these URLs
domainwww.korea-tax.info]1588-2040[.]co[.]kr/design/m/images/image/image.php hxxp://www[.]korea-tax[.]info/main/local.php hxxp://www[.]dylboiler[.]co[.]kr/admince
sha2563b1395f620e428c5f68c6497a2338da0c4f749feb64e8f12e4c5b1288cc57a1cb8479f3a416fa58580ae76a8c731c2294c24663c601a1267e0e5c2678a0 3b1395f620e428c5f68c6497a2338da0c4f749feb64e8f12e4c5b1288cc57a1c ROKRAT sample: E1546323dc746ed2f7a5c973dcecc79b014b68bdd8a6
sha256e1546323dc746ed2f7a5c973dcecc79b014b68bdd8a6230239283b4f775f4bbd6497a2338da0c4f749feb64e8f12e4c5b1288cc57a1c ROKRAT sample: E1546323dc746ed2f7a5c973dcecc79b014b68bdd8a6230239283b4f775f4bbd URL: hxxp://www[.]1588-2040[.]co[.]kr/conf/product_old.jpg
sha256fec71b8479f3a416fa58580ae76a8c731c2294c24663c601a1267e0e5c2678a0available for purchase on Snort.org . IOCs Flash exploits: fec71b8479f3a416fa58580ae76a8c731c2294c24663c601a1267e0e5c2678a0 3b1395f620e428c5f68c6497a2338da0c4f749feb64e8f12e4c5b1288cc
urlhttp://www.1588-2040.co.kr/conf/product_old.jpgare some URLs where this additional payload was downloaded: hxxp://www[.]1588-2040[.]co[.]kr/conf/product_old.jpg hxxp://www[.]1588-2040[.]co[.]kr/design/m/images/imag
urlhttp://www.1588-2040.co.kr/design/m/images/image/image.phpaded: hxxp://www[.]1588-2040[.]co[.]kr/conf/product_old.jpg hxxp://www[.]1588-2040[.]co[.]kr/design/m/images/image/image.php hxxp://www[.]korea-tax[.]info/main/local.php hxxp://w
urlhttp://www.dylboiler.co.kr/admincenter/files/board/4/manager.phpmage/image.php hxxp://www[.]korea-tax[.]info/main/local.php hxxp://www[.]dylboiler[.]co[.]kr/admincenter/files/board/4/manager.php All these URLs are compromised websites located in So
urlhttp://www.korea-tax.info/main/local.php//www[.]1588-2040[.]co[.]kr/design/m/images/image/image.php hxxp://www[.]korea-tax[.]info/main/local.php hxxp://www[.]dylboiler[.]co[.]kr/admincenter/files/boar

From the original article

3 min read at blog.talosintelligence.com

This blog post is authored by Warren Mercer and Paul Rascagneres . The 1st of February, Adobe published an advisory concerning a Flash vulnerability (CVE-2018-4878). This vulnerability is a use after free that allows Remote Code Execute through a malformed Flash object.

Cisco Talos

blog.talosintelligence.com

Read the full article at Cisco Talos

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.