MALICIOUS — 66b0025c58c8c4abecbe383f518a40aa34ca0f952ecabf87ac4152a5c81e1ad4

MALICIOUS — 66b0025c58c8c4abecbe383f518a40aa34ca0f952ecabf87ac4152a5c81e1ad4 is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100), attributed to the Brocoiner family. 1 of 54 detection engines flagged it.

Identification

• SHA-256: 66b0025c58c8c4abecbe383f518a40aa34ca0f952ecabf87ac4152a5c81e1ad4
• SHA-1: 866806b903035a289607df2c52e91348d9a71d87
• MD5: ed5df06a824004e3d8d041c6d281153d
• ssdeep: 3072:FvSpfKJdGRIUYs/lAvyyCZbZ/1SKJ0C8O/id+7ynKev4:BSpCdGN/lAvypZbZ/oa57ynl4
• TLSH: T13642E8BE3949AEEDCC0E609B7E8C74DA7B175995B6A161C082FCC7C068E0CE47D58418
• Submitted as: 66b0025c58c8c4abecbe383f518a40aa34ca0f952ecabf87ac4152a5c81e1ad4
• File type: script · Size: 202477 bytes
• Verdict: malicious (75/100) · Family: Brocoiner

Detections (1 of 54 engines)

• Microsoft Defender: Trojan:HTML/Brocoiner

Why this verdict

The malicious score of 75/100 is the fusion of 3 weighted signals:

• Microsoft Defender flagged Trojan:HTML/Brocoiner (rule Trojan:HTML/Brocoiner) - engine signal, weight 0.55, confidence 0.85
• Obfuscated javascript script: dynamic-exec, defense-evasion (layers: concat) (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• Embedded network infrastructure: https://twitter.com/intent/tweet?text=, https://m.facebook.com/sharer.php?u=, https://resources.blogblog.com/img/widgets/icon_contactform_cross.gif - static signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

1156 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/gsr1.crl
• http://c.pki.goog/r/r4.crl
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Dropped files

• b520a986411f0821d99f2f7e94e7370de76f44f3e839cb830d2827593bc3a1d9 - b520a986411f0821d99f2f7e94e7370de76f44f3e839cb830d2827593bc3a1d9

Embedded URLs

• http://www.apache.org/licenses/LICENSE-2.0
• https://twitter.com/intent/tweet?text=
• https://m.facebook.com/sharer.php?u=
• https://plus.google.com/share?source=blogger:mobile:share&url=
• https://resources.blogblog.com/img/widgets/icon_contactform_cross.gif
• https://csi.gstatic.com/csi
• http://csi.gstatic.com/csi
• http://jotamaria-bmdoexercito.blogspot.com/
• http://jotamaria-bmdoexercito.blogspot.com/search
• http://jotamaria-bmdoexercito.blogspot.com/favicon.ico
• https://www.blogger.com
• https://apis.google.com/js/plusone.js
• https://www.blogger.com/static/v1/jsbin/129205357-lbx__pt_br.js
• https://www.blogger.com/static/v1/v-css/368954415-lightbox_bundle.css
• https://apis.google.com
• https://accounts.google.com/o/oauth2/auth
• https://accounts.google.com/o/oauth2/postmessageRelay
• https://accounts.google.com/o/oauth2/iframe
• https://pay.google.com/gp/v/widget/save
• https://talkgadget.google.com/:session_prefix:talkgadget/_/widget
• https://plus.google.com
• https://plus.googleapis.com
• https://ssl.gstatic.com/microscope/embed/
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Embedded domains

• www.blogger.com
• jotamaria-bmdoexercito.blogspot.com
• pagead2.googlesyndication.com
• wikipedia.org
• window.jstiming.load.name
• csi.gstatic.com
• lc.prototype.name
• nc.prototype.name
• d.name
• this.ua
• a.ua
• f.ua
• a.ga
• b.ga
• this.ga
• g.ua
• ng.prototype.name
• this.ca
• a.ca
• c.name
• window.name
• a.style.top
• b.name
• h.name
• b.top

Embedded IP addresses

• 172.172.255.216
• 74.178.240.61
• 172.215.188.225
• 85.210.196.11
• 52.123.252.224
• 4.230.171.124
• 74.178.76.128
• 20.42.65.85
• 52.168.117.171
• 20.247.184.142
• 92.223.78.30
• 52.168.117.170

More Brocoiner samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report