MALICIOUS — 2a8eba2cde93acc3684325dcdafb25ef3f2b91e1bc0adf9a14657ba47238be8e

MALICIOUS — 2a8eba2cde93acc3684325dcdafb25ef3f2b91e1bc0adf9a14657ba47238be8e 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, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 2a8eba2cde93acc3684325dcdafb25ef3f2b91e1bc0adf9a14657ba47238be8e
• SHA-1: fb633d0f85aa3ee47ac262452c1b7943f25ae84e
• MD5: 8851c8f3ed47ae6a4044b1698e1e522a
• ssdeep: 3072:Bg6BDKnszDIbne0aAvVfyeIZ23lIxLlY72+7ynKev4:K6BAszYNaAvVf6Z23lmxo7ynl4
• TLSH: T10F42F8BE39499EEDCC4EA09B7E8874DA7B175955B69261C082FCC7C068E0CE43D5C428
• Submitted as: 2a8eba2cde93acc3684325dcdafb25ef3f2b91e1bc0adf9a14657ba47238be8e
• File type: script · Size: 202899 bytes
• Verdict: malicious (75/100) · Family: Brocoiner

Detections (1 of 54 engines)

• Microsoft Defender: Trojan:HTML/Brocoiner

MITRE ATT&CK

• T1112

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: http://widgets.amung.us/classic.js, https://twitter.com/intent/tweet?text=, https://m.facebook.com/sharer.php?u= - static signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

14964 behavior events · 1 ATT&CK techniques · 0 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
• 85.52.40.23.in-addr.arpa.
• tas02.sls.update.microsoft.com
• d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
• 251.0.0.224.in-addr.arpa.
• v10.events.data.microsoft.com
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• ntp.ubuntu.com
• desktop-hsgcbep
• http://www.msftconnecttest.com/connecttest.txt

Embedded URLs

• http://widgets.amung.us/classic.js
• 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-ccdeassu.blogspot.com/search
• http://jotamaria-ccdeassu.blogspot.com/
• http://jotamaria-ccdeassu.blogspot.com/favicon.ico
• https://www.blogger.com
• https://apis.google.com/js/plusone.js
• https://www.blogger.com/static/v1/jsbin/3018908849-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

Embedded domains

• widgets.amung.us
• www.blogger.com
• jotamaria-ccdeassu.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
• d.cc
• this.cc
• c.name
• window.name
• a.style.top

Embedded IP addresses

• 72.153.5.62
• 52.110.12.52
• 4.230.171.124
• 172.215.188.225
• 52.230.60.54
• 135.233.95.144
• 135.232.92.97
• 74.178.240.61
• 40.84.97.4
• 52.230.59.222
• 52.253.84.76
• 20.165.94.63

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report