MALICIOUS — free-executor-roblox_GM431946152.pdf

MALICIOUS — free-executor-roblox_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 2ba1c8409267b30b68c6c8d97161f802a5452514e0ffb5d5bfd81de70f2494ac
• SHA-1: 23c20baa8a363bf52810bfef962f56e87869c3e2
• MD5: 4478644bd46d260cd05a397e6c0fbf83
• ssdeep: 768:wi3fuZFsPdC8nDhT6qZPoRdkuj+L4pKX1Z50a:v36X8nDtXPoROGuhZ50a
• TLSH: T1DE2F5CF7019BDD1C698B8F033D7B116A64CAD2997123DA5191C8732CD0BCABE6F10862
• Submitted as: free-executor-roblox_GM431946152.pdf
• File type: pdf · Size: 34872 bytes
• Verdict: malicious (75/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!4478644BD46D
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

The malicious score of 75/100 is the fusion of 7 weighted signals:

• Contacted 21 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-executor-roblox-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-roblox-promo-codes_GM431946152.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9663 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• to-do.office.com
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• outlook.office.com
• outlook.office365.com
• ntp.ubuntu.com
• 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
• 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
• 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
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787467447&P2=404&P3=2&P4=UDvIsgNVfGgTAekcFcjCB5qUSAgveR%2fznK1RgZOZnMoWW1%2fB5bjE2aiwAINCYDmkg2F4pFw%2br6Ebx%2b8frvwyXw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - a865482e9929b28a89acb02a260d5acb0c75c6393760973c5ff772877791be31
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b1290e006beedc4ed0db5835d8d565bd.png - 2ed2a57f7dc573842700eaf851d20e6671018f485959bf1beabf6ddbf989df5c
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.tw/app/431946152/free-executor-roblox-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-roblox-promo-codes_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/hack-money-server-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-gift-card-free-codes_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/what-games-give-you-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/mad-city-cheat-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-2021-free-spins-link-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/hack-voler-sur-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-only-username_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-hack-version-download-ios_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/sites-to-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-without-surveys_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-can-you-teach-me-how-to-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-comment-avoir-des-robux-free-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/robux-free-robux-generator-no-human-verification_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/rbx-gg-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/dragon-ball-x-roblox-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-in-less-than-1-minute_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-addons_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/robux-hack-sin-verificacion-humana_GM431946152.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787467447&P2=404&P3=2&P4=UDvIsgNVfGgTAekcFcjCB5qUSAgveR%2fznK1RgZOZnMoWW1%2fB5bjE2aiwAINCYDmkg2F4pFw%2br6Ebx%2b8frvwyXw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

Embedded IP addresses

• 74.179.77.204
• 52.182.141.63
• 172.66.2.5
• 52.168.112.67
• 52.123.252.215
• 52.110.12.18
• 57.154.63.210
• 52.253.84.76
• 4.230.171.124
• 135.232.92.137
• 74.178.76.128
• 20.165.94.46
• 72.154.7.109
• 74.178.240.61
• 20.112.250.133
• 203.26.79.13
• 40.99.134.18
• 52.123.129.14
• 52.178.17.3
• 162.159.36.2
• 40.103.64.242

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report