SUSPICIOUS — how-to-get-free-robux-inspect_GM431946152.pdf

SUSPICIOUS — how-to-get-free-robux-inspect_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: cee753358c5e08d03b9aa73cf624f0f14826b96f28e593172775621f47755bce
• SHA-1: 23f0a841bb8693f99f556c62d955f0b923a2e152
• MD5: 185a4996289507a3a3423d25d7bb8c7f
• ssdeep: 768:gNlxMIk5T/iN0VS+z2UUi85kHHKyP+w2m2+i:oMIkLi/+yTkHHmR+i
• TLSH: T1972F5BF70197CD4C7A4BDF47A9BA265E34CDC2DD62A1DA4046C8273C94BC6AF2B01522
• Submitted as: how-to-get-free-robux-inspect_GM431946152.pdf
• File type: pdf · Size: 34323 bytes
• Verdict: suspicious (68/100)

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!185A49962895

MITRE ATT&CK

• T1112
• T1105

Why this verdict

The suspicious score of 68/100 is the fusion of 6 weighted signals:

• Contacted 23 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: http://netcdn.co/app/431946152/how-to-get-free-robux-inspect-game-hack, https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-minecraft-alts_GM479516143.pdf, https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-2021_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
• 250.255.255.239.in-addr.arpa
• desktop-hsgcbep
• 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
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d08dc743199256b43dc1eaa2ec01d4b5.png - a0b29a1780baf55b15fd055b0813f721973c10e2980b9964e9944b06c587f7af
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - ee968935176bc4d0fe4243bb74bcd07c7bb8e519649d22c7781317f60a1308f9
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.co/app/431946152/how-to-get-free-robux-inspect-game-hack
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-minecraft-alts_GM479516143.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/como-hack-coin-master_GM406889139.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-earn-robux-by-playing-games_GM431946152.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/is-it-possible-to-get-free-robux_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/roblox-hack-ga_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-promo-codes-for-coin-master_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/hack-the-game-coin-master_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-haktuts_GM406889139.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-roblox-money_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/You-can-export-only-first-20210-rows-available-for-your-subscription_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/roblox-hack-robux-2021-unlimited-robux-and-tix_GM431946152.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/easy-way-to-get-free-robux_GM431946152.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-50_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-hack-2021_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-robux-human-verification_GM431946152.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/minecraft-java-edition-code-free_GM479516143.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-robux-for-kids-no-verification_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/pieceshash?cacheHostOrigin=msedge.f.dl.delivery.mp.microsoft.com

Embedded domains

• netcdn.co
• www.belajar.mansalotim.sch.id
• belajar.mansalotim.sch.id

Embedded IP addresses

• 72.145.35.96
• 74.178.240.61
• 52.123.128.14
• 74.178.232.29
• 4.150.223.97
• 162.159.142.9
• 40.79.141.155
• 20.247.184.197
• 52.110.12.20
• 135.232.92.137
• 20.42.65.84
• 20.231.239.246
• 4.230.171.124
• 40.99.133.210
• 72.154.7.104
• 57.155.101.212
• 52.123.129.14
• 40.99.133.226
• 203.26.79.13
• 52.123.252.226
• 40.84.85.40
• 162.159.36.2
• 149.154.165.133

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report