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DragonOK Updates Toolset and Targets Multiple Geographic Regions

Palo Alto Unit 42by Josh Grunzweig ()14 min read3 · 1 read
Analyze CVE-2015-1641 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2015-1641
Memory Corruption RCE in Microsoft Office via Malicious RTF Files
—97%KEV—
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domain78host.comved, the following domains were observed for their C2: kr44.78host[.]com gtoimage[.]com gogolekr[.]com All of the above domains ha
domaindppline.orgThe IsSpace samples resolved to the following domains: www.dppline[.]org www.matrens[.]top These domains had no apparent connectio
domaingogolekr.comere observed for their C2: kr44.78host[.]com gtoimage[.]com gogolekr[.]com All of the above domains have Chinese WHOIS registrant de
domaingotoimage.comns have Chinese WHOIS registrant details. Additionally, the gotoimage[.]com and trend.gogolekr[.]com are both registered to the same
domaingtoimage.comowing domains were observed for their C2: kr44.78host[.]com gtoimage[.]com gogolekr[.]com All of the above domains have Chinese WHOI
domainmatrens.topes resolved to the following domains: www.dppline[.]org www.matrens[.]top These domains had no apparent connections to the previous
domainskywave.topC2 servers: europe.wikaba[.]com russiaboy.ssl443[.]org cool.skywave[.]top These domains did not have many definitive relations with
domainssl443.orgith the following C2 servers: europe.wikaba[.]com russiaboy.ssl443[.]org cool.skywave[.]top These domains did not have many defini
domainwikaba.comentified communicated with the following C2 servers: europe.wikaba[.]com russiaboy.ssl443[.]org cool.skywave[.]top These domains d
md51420efbd80ce02328663631c8d8f813ce sample. 1 2 3 4 5 6 GET / index . php ? type = read &id = 1420efbd80ce02328663631c8d8f813c &pageinfo = jp &lang = utf - 8 HTTP / 1.1 Connection : Keep

From the original article

14 min read at unit42.paloaltonetworks.com

The DragonOK group has been actively launching attacks for years. We first discussed them in April 2015 when we witnessed them targeting a number of organizations in Japan . In recent months, Unit 42 has observed a number of attacks that we attribute to this group.

Palo Alto Unit 42

By Josh Grunzweig · unit42.paloaltonetworks.com

Read the full article at Palo Alto Unit 42

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.