SUSPICIOUS — free-robux-working_GM431946152.pdf
SUSPICIOUS — free-robux-working_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0fd26132690c4667469492193df7171edd5d6707c2020eeb5bab1b6ee204cf52 - SHA-1:
be897383caf0d726d213459c67990e254d356621 - MD5:
daf5635f9f7764cbec03400d974af978 - ssdeep:
768:afSyVWZfa4kjFDsV7iu76+2q6W+MJmdjuNtWc1Ob9:py0LWq7iu2q6KUjGtJOb9 - TLSH:
T1BD308EF702DBCC5C759A8B4358F3655DA88AD38870A2DB5406C87A3CC46C6FE7B21521 - Submitted as: free-robux-working_GM431946152.pdf
- File type: pdf · Size: 35923 bytes
- Verdict: suspicious (68/100)
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!DAF5635F9F77
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 24 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-working-game-hack, http://rollipolli.hu/userfiles/files/10-robux_GM431946152.pdf, http://rollipolli.hu/userfiles/files/counter-blox-roblox-offensive-hacks-2021-download_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)
9659 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
- 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
- desktop-hsgcbep._dosvc._tcp.local
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b6f67a5391a27859ab3b604566a76acb.png -
1e68daed4034fb0c839bd0c71fa9e85d67f8a5aec1d5ce3772233d71d6a7feb3 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
8e31873b66fcd35329cc699980e9843baa7633bdf4af94db4e2e0c76a03cebb7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.tw/app/431946152/free-robux-working-game-hack
- http://rollipolli.hu/userfiles/files/10-robux_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/counter-blox-roblox-offensive-hacks-2021-download_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/how-to-hack-roblox-to-get-admin_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/coin-master-free-spins-gratis_GM406889139.pdf
- http://rollipolli.hu/userfiles/files/earn-points-for-robux_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/get-free-robux-here_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/coin-master-free-spin-and-coin_GM406889139.pdf
- http://rollipolli.hu/userfiles/files/how-to-hack-someones-minecraft-account_GM479516143.pdf
- http://rollipolli.hu/userfiles/files/minecraft-java-edition-download-free_GM479516143.pdf
- http://rollipolli.hu/userfiles/files/free-robux-master_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/how-to-get-free-pets-on-roblox_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/how-to-get-free-robux-2021-working-unpatched-free-robux_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/hack-version-of-coin-master-apk-download_GM406889139.pdf
- http://rollipolli.hu/userfiles/files/roblox-login-hack_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/how-to-get-free-roblox-on-a-computer_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/roblox-executors-free-download_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdf
- http://rollipolli.hu/userfiles/files/rbx-place-free-robux_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/roblox-booga-booga-hack_GM431946152.pdf
- http://rollipolli.hu/userfiles/files/ways-to-get-free-robux_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=dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.tw
- rollipolli.hu
Embedded IP addresses
- 135.232.92.137
- 172.172.255.216
- 20.89.1.8
- 52.123.252.243
- 52.230.60.54
- 52.110.12.42
- 52.110.12.18
- 4.230.171.124
- 72.145.35.98
- 4.247.188.224
- 203.26.79.13
- 20.42.73.25
- 52.123.252.239
- 52.123.252.231
- 52.123.129.14
- 40.99.134.2
- 92.223.78.30
- 135.234.160.245
- 74.179.71.159
- 172.175.111.170
- 20.184.175.20
- 48.200.63.27
- 20.52.64.201
- 142.251.222.227
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report