MALICIOUS — crazygames-free-robux-hax_GM431946152.pdf

MALICIOUS — crazygames-free-robux-hax_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: e92dc2a63916d7555237c45a82bdaaf7b26e527731bb7109e52a70467262ccb3
• SHA-1: 1e8bae8504c3ce675083816b3885e2cd82b22945
• MD5: 903e6f5d81128665c6415d109af221f8
• ssdeep: 768:HWjSl7qzgaxiMeerIKB4M2szIpF1NVwRLV1B:gEa1QKzqbVwRLV1B
• TLSH: T15D2F7CF3119BCC4C668A8B435A7B112A21C6A78C7167CF21E5E8776C807D6FE2B10865
• Submitted as: crazygames-free-robux-hax_GM431946152.pdf
• File type: pdf · Size: 34371 bytes
• Verdict: malicious (75/100)

Detections (4 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!903E6F5D8112

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

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

• Contacted 16 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-offers_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.co/app/431946152/crazy-games-free-robux-hax-game-hack, http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-offers_GM431946152.pdf, http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-free-spins-facebook_GM406889139.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)

9620 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
• outlook.cloud.microsoft
• ntp.ubuntu.com
• desktop-hsgcbep
• 250.255.255.239.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
• 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
• 255.255.254.169.in-addr.arpa
• 79.243.254.169.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - c6f6530a581e2798ac39c42f7180b1bf3c1f78b708d5e08cd17e998ea15148d2
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4830995a38a850ae19442b40f2076220.png - 71662d5240620c9b26b81c35fa07855eb93c914a7311959d3533144ec1dae794
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.co/app/431946152/crazy-games-free-robux-hax-game-hack
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-offers_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-free-spins-facebook_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/spins-coin-master_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-come_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-unlimited-robux_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/pokemon-go-free-and-switch-connect_GM1094591345.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/proto-smasger-roblox-free_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-roblox-account-generator_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-spins-from-coin-master_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-verification-or-survey-2021_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-hack-2021_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/minecraft-nintendo-switch-digital-code-free_GM479516143.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-get-free-roblox-gift-cards_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-get-coin-master-free-spin-link_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-coin-master-coins-and-spins_GM406889139.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/robux-fun-hack_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-get-free-robux-for-kids_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-free-robux_GM431946152.pdf
• http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-minecraft-bedrock-server_GM479516143.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/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

• netcdn.co
• perpustakaan-pelita.sdnpercobaan2yogyakarta.com

Embedded IP addresses

• 74.178.232.29
• 51.104.15.253
• 52.123.252.238
• 52.230.60.54
• 52.110.12.1
• 20.236.44.162
• 162.159.142.9
• 85.210.196.11
• 20.42.73.26
• 20.165.94.63
• 52.178.17.2
• 74.179.71.159
• 203.26.79.13
• 52.123.128.14
• 40.103.64.242
• 4.230.171.124

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report