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Rewterz Threat Alert – Cookie Monster Malware Hijacking WordPress Sessions

Severity

Medium

Analysis Summary

A malware attack is observed injecting obfuscated code into a JavaScript file in order to steal web users’ cookies and hijack their WordPress sessions. The malicious script was discovered during an incident response investigation and included the fake, malicious domain “code.wordprssapi[.]com”, where users’ cookie data was sent. Hackers used a typo-squatting strategy to create a domain that looked very similar to that a real, legitimate web service in order to evade detection. However, the properly spelled version of this domain “code.wordpressapi[.]com” is also unrelated to WordPress.

Impact

  • Information Theft
  • Code Execution

Indicators of Compromise

Domain Name

  • abtrcking[.]com
  • upgraderservices[.]cf
  • traffictrade[.]life
  • flipdigital[.]ru
  • stablemoney[.]ru
  • cleantds[.]in
  • dezaula[.]com
  • bwinpoker24[.]com
  • livestats[.]us
  • mediros[.]ru
  • yourmsrp[.]com
  • onlinemarketplace[.]top
  • pipardot[.]com
  • beatchucknorris[.]com
  • adrenalinecdn[.]com
  • blozoo[.]net
  • oasagm82wioi[.]org
  • hosted-oswa[.]org
  • getsocialbuttons[.]xyz
  • trafficapi[.]nl
  • zirve100[.]com
  • nstracking[.]com
  • dcts[.]pw
  • airjss[.]com
  • sbdtds[.]com
  • jquery[.]im
  • ijquery9[.]com
  • upskirt-jp[.]net

Hostname

  • con1[.]sometimesfree[.]biz
  • www[.]caphyon-analytics[.]com
  • src[.]dancewithme[.]biz
  • 1[.]newor[.]net
  • gamescale[.]vio[.]rocks
  • a01[.]u-ad[.]info
  • log[.]widgetstat[.]net
  • 3[.]newor[.]net
  • i[.]omeljs[.]info
  • js2[.]sn00[.]net
  • themes[.]affect[.]lt
  • b[.]nwcdn[.]xyz
  • i[.]rfgdjs[.]info
  • www[.]rarstats[.]com
  • cdn[.]avrti[.]xyz
  • chat-client-js[.]firehoseapp[.]com
  • m[.]free-codes[.]org
  • tag[.]imaginaxs[.]com
  • cdn[.]muse-widgets[.]ru
  • i[.]selectionlinksjs[.]info
  • cdn[.]echoenabled[.]com
  • sdb[.]dancewithme[.]biz
  • earsham[.]pontypriddcrick[.]com
  • c[.]radxcomm[.]com
  • java[.]sometimesfree[.]biz
  • api[.]behavioralmailing[.]com
  • www[.]kanpianjs[.]top
  • cdn[.]jquery[.]tools
  • www[.]seo101[.]net
  • www[.]andrewandjack[.]com
  • webstats[.]xcellenzy[.]com
  • st[.]stadsvc[.]com
  • infinite-2[.]tcs3[.]co[.]uk
  • www[.]yys1982[.]com
  • i3[.]putags[.]com
  • stat[.]botthumb[.]com
  • js[.]sn00[.]net
  • st[.]segpress[.]io
  • m[.]xfanclub[.]ru
  • daljarrock[.]hurlinesswhitchurch[.]com
  • cdn[.]owlcdn[.]com
  • da[.]adsvcs[.]com
  • cfs[.]u-ad[.]info
  • srv1[.]clk-analytics[.]com
  • infinite-3[.]tcs3[.]co[.]uk
  • dup[.]baidustatic[.]pw
  • www[.]spartan-ntv[.]com
  • static[.]bh-cdn[.]com
  • d0[.]histats[.]12mlbe[.]com
  • www[.]ournet-analytics[.]com
  • s1[.]omnitor[.]ru
  • connect[.]f1call[.]com
  • www[.]frompariswithhate[.]org
  • 2[.]api[.]viralheadlines[.]net
  • www[.]agrkings[.]com
  • keit[.]kristofer[.]ga
  • parts[.]kuru2jam[.]com
  • code[.]jguery[.]org
  • widgets[.]wowzio[.]net
  • js[.]nster[.]net
  • script[.]affilizr[.]com
  • cdn[.]inaudium[.]com
  • e[.]e708[.]net
  • narnia[.]tcs3[.]co[.]uk
  • js[.]trafficanalytics[.]online
  • www[.]takoashi[.]net
  • w5983[.]lb[.]wa-track[.]com
  • cdn[.]adpoints[.]media
  • stat[.]rolledwil[.]biz
  • s[.]orange81safe[.]com
  • www[.]hmailserver[.]in

Remediation

  • Block the threat indicators at their respective controls.
  • Do not visit suspicious looking sites.