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CVE-2015

Kaspersky Securelistby @Securelist ()13 min read2 · 1 read
Analyze CVE-2015-2545 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2015-1701
Local Privilege Escalation in Microsoft Windows Win32k.sys Kernel-Mode Driver
—56%KEVRansomware—
KEV
CVE-2015-2545
Malformed EPS Image RCE in Microsoft Office
—86%KEV—
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaindnsnews.dns05.como the following C2s: newsupdate.dynssl.com (103.61.136.120) dnsnews.dns05.com (118.193.12.252) The connection: The two hosts are dynamic
domainnewsupdate.dynssl.comhell via cmd.exe The malware connects to the following C2s: newsupdate.dynssl.com (103.61.136.120) dnsnews.dns05.com (118.193.12.252) The con
ipv4103.61.136.120lware connects to the following C2s: newsupdate.dynssl.com (103.61.136.120) dnsnews.dns05.com (118.193.12.252) The connection: The two
ipv4118.193.12.252: newsupdate.dynssl.com (103.61.136.120) dnsnews.dns05.com (118.193.12.252) The connection: The two hosts are dynamic DNS subdomains,
ipv4191.96.111.195201]) DSFSI 24 th February India’s 10 Top Luxury Hotels.doc 191.96.111.195 via mout.gmx.com ([74.208.4.201]) Chumapost 29 th February
ipv443.227.113.129) Chumapost 29 th February India’s 10 Top Luxury Hotels.doc 43.227.113.129 via mout.gmx.com ([74.208.4.200]) In the case of the Indian
ipv459.188.13.204User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: 59.188.13.204:9080 Content-Length: 112 Connection: Keep-Alive Cache-Contr
ipv474.208.4.200embassy in Denmark 2 nd February HQ List.doc mout.gmx.com ([74.208.4.200]) Indian embassy in Colombia 2 nd February HQ List.doc mout
ipv474.208.4.201mbassy in Colombia 2 nd February HQ List.doc mout.gmx.com ([74.208.4.201]) DSFSI 24 th February India’s 10 Top Luxury Hotels.doc 191
md58052234dcd41a7d619acb0ec9636be0bploit drops and executes the Trojan program “svcmondr.exe” (8052234dcd41a7d619acb0ec9636be0b). This queries the registry: “HKEY_USERSSoftwareMicrosoftWi
md58fc628c9f43d42e2b77c2801518af2a5this specific sample were not changed from default. Finds “8FC628C9F43D42E2B77C2801518AF2A5” substring and decrypts it using AES CTR mode thrice using
md598c57aa9c7e3f90c4eb4afeba8128484oc” and a malicious EPS file inside. “1-3說明檔.doc” This EPS (98c57aa9c7e3f90c4eb4afeba8128484) is exploit CVE-2015-2545 and contains an encrypted binary
md5a90a329335fa0af64d8394b28e0f86c1oth use the same CVE-2015-2545 EPS exploit (image1.eps, MD5 a90a329335fa0af64d8394b28e0f86c1). Interestingly, as can be seen in their metadata, both fil

From the original article

13 min read at securelist.com

CVE-2015-2545 is a vulnerability discovered in 2015 and corrected with Microsoft’s update MS15-099. The vulnerability affects Microsoft Office versions 2007 SP3, 2010 SP2, 2013 SP1 and 2013 RT SP1. The error enables an attacker to execute arbitrary code using a specially crafted EPS image file.

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.