MALICIOUS — 4cea4ce8e9d4b7166c1690234bffde6f664e2f3f224fc289663cc50b58f85b9e

MALICIOUS — 4cea4ce8e9d4b7166c1690234bffde6f664e2f3f224fc289663cc50b58f85b9e is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (81/100), attributed to the Brocoiner family. 1 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 4cea4ce8e9d4b7166c1690234bffde6f664e2f3f224fc289663cc50b58f85b9e
• SHA-1: 417cc0bf25e0da271d834ae969f412814bc6dc86
• MD5: ccb2b8c816936469f02a26fa9afca2b4
• ssdeep: 3072:Qx8IdSpfKJdGRIUYs/lAvyyCZbZ/1SKJf+7ynKev4:lySpCdGN/lAvypZbZ/oaG7ynl4
• TLSH: T12E42F8BE3949AEEDCC0E609B7E8C74DA7B175955B6A261C082FCC7C068E0CE43D58418
• Submitted as: 4cea4ce8e9d4b7166c1690234bffde6f664e2f3f224fc289663cc50b58f85b9e
• File type: script · Size: 202464 bytes
• Verdict: malicious (81/100) · Family: Brocoiner

Detections (1 of 54 engines)

• Microsoft Defender: Trojan:HTML/Brocoiner

MITRE ATT&CK

• T1112

Why this verdict

The malicious score of 81/100 is the fusion of 7 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://jotamaria-aabbjoaocamara.blogspot.com/search, http://jotamaria-aabbjoaocamara.blogspot.com/, http://jotamaria-aabbjoaocamara.blogspot.com/favicon.ico - static signal, weight 0.35, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Contacted 16 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

17077 behavior events · 1 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 76.0.240.10.in-addr.arpa.
• 1.0.240.10.in-addr.arpa.
• 251.0.0.224.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.
• 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.
• 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.
• 252.0.0.224.in-addr.arpa.
• 89.65.42.20.in-addr.arpa.
• v20.events.data.microsoft.com
• 98.223.150.4.in-addr.arpa.
• nexusrules.officeapps.live.com
• 178.110.171.150.in-addr.arpa.
• v10.events.data.microsoft.com
• 131.72.42.20.in-addr.arpa.
• c.pki.goog
• x1.c.lencr.org

Embedded URLs

• http://jotamaria-aabbjoaocamara.blogspot.com/search
• http://jotamaria-aabbjoaocamara.blogspot.com/
• http://jotamaria-aabbjoaocamara.blogspot.com/favicon.ico
• https://www.blogger.com
• https://apis.google.com/js/plusone.js
• https://www.blogger.com/static/v1/jsbin/3766621756-lbx__pt_br.js
• https://www.blogger.com/static/v1/v-css/368954415-lightbox_bundle.css
• 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
• 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

• pagead2.googlesyndication.com
• www.blogger.com
• jotamaria-aabbjoaocamara.blogspot.com
• www.blogblog.com
• apis.google.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

Embedded IP addresses

• 20.165.94.46
• 72.145.35.96
• 4.207.44.75
• 172.172.255.217
• 20.42.73.26
• 4.150.223.112
• 52.168.117.168
• 52.110.12.45
• 52.110.12.49
• 4.230.171.124
• 172.215.188.225
• 20.42.179.192
• 52.148.114.188
• 20.42.65.89
• 4.150.223.98
• 20.42.72.131

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report