MALICIOUS — b9c6e33646e254ca52f576f723b02a8b8209a550ec473b9893eb765db55e3e17

MALICIOUS — b9c6e33646e254ca52f576f723b02a8b8209a550ec473b9893eb765db55e3e17 is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 2 of 51 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: b9c6e33646e254ca52f576f723b02a8b8209a550ec473b9893eb765db55e3e17
• SHA-1: ab1a7a47dd32e74951b988cbec954babc9944024
• MD5: f86cf220ab3480e68f338e68218f3821
• ssdeep: 3072:G3tQodtO2Vyyr+yoqNV4SuB6z9bL+7ynKev:G3tPdtO2VDouVJFQ7ynZ
• TLSH: T11B42E8BE3949AEEDCC0E649B7E8C78DA7B134955B69261D092FDC78068E0CE43C5C418
• Submitted as: b9c6e33646e254ca52f576f723b02a8b8209a550ec473b9893eb765db55e3e17
• File type: script · Size: 212914 bytes
• Verdict: malicious (99/100)

Detections (2 of 51 engines)

• capa (capabilities): beacon to command-and-control
• Microsoft Defender: flagged

MITRE ATT&CK

• T1071.001
• T1105
• T1059.004

Why this verdict

The malicious score of 99/100 is the fusion of 12 weighted signals:

• 1 behavioral detection(s): Download-and-execute dropper (wget/curl + chmod) [high] (rule tl-linux-download-exec) - dynamic signal, weight 0.60, confidence 0.90
• 1 behavioral detection(s): Download-and-execute dropper (wget/curl + chmod) [high] (rule tl-linux-download-exec) - dynamic signal, weight 0.60, confidence 0.90
• Microsoft Defender flagged flagged (rule flagged) - engine signal, weight 0.55, confidence 0.85
• Obfuscated powershell script: dynamic-exec, defense-evasion (layers: concat) (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• beacon to command-and-control (rule beacon to command-and-control) - capa signal, weight 0.45, confidence 0.80
• Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
• Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
• Embedded network infrastructure: https://www.blogger.com/rpc_relay.html, https://twitter.com/intent/tweet?text=, https://m.facebook.com/sharer.php?u= - static signal, weight 0.35, confidence 0.60
• Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
• Extracted generic config (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• entropy.ubuntu.com
• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep
• ntp.ubuntu.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
• 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
• 252.0.0.224.in-addr.arpa
• 185.125.189.54:443
• 203.26.79.13
• 185.125.189.54
• 10.240.0.1
• 224.0.0.251
• ff02::fb
• 10.240.0.255
• ff02::1:3
• 224.0.0.252
• 224.0.0.22
• ff02::16
• ff02::1

Dropped files

• tmp_tmp.lT0K9eBLvn - b549bf3208235fccbb8c89ab3df32ca0f98f1433dfbf39a1af9839c656b7f8b3

Embedded URLs

• https://www.blogger.com/rpc_relay.html
• 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://www.blogger.com/unvisited-link-
• http://jotamaria-aaa.blogspot.com/2010/03/mais_11.html
• http://jotamaria-aaa.blogspot.com/
• http://jotamaria-aaa.blogspot.com/search
• http://jotamaria-aaa.blogspot.com/favicon.ico
• https://www.blogger.com
• https://apis.google.com/js/plusone.js
• https://www.blogger.com/static/v1/jsbin/3903731066-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

Embedded domains

• pagead2.googlesyndication.com
• www.blogger.com
• wikipedia.org
• window.jstiming.load.name
• csi.gstatic.com
• kc.prototype.name
• mc.prototype.name
• d.name
• a.ga
• b.ga
• this.ga
• mg.prototype.name
• this.ca
• this.ua
• a.ca
• a.ua
• c.name
• window.name
• a.style.top
• b.name
• aa.name
• k.name
• b.top
• a.bottom-a.top
• www.apache.org

Embedded IP addresses

• 203.26.79.13
• 74.178.240.61

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report