SUSPICIOUS — robux-hack-free-robux_GM431946152.pdf
SUSPICIOUS — robux-hack-free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (56/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
75611a6d8fd0fcde15fd777add52bd0c6b1970e94e537aeb0061166caac89ffd - SHA-1:
2cd5d82bb2e87d79e2622ace9bd86cb2f84e7135 - MD5:
dc537dfba0be3dc1b7b178821e710eaf - ssdeep:
768:Go/rfsz+7lC6X516WJBMu0yw1KZ/8Nj4:GP+cs7jJBPw1s/gj4 - TLSH:
T1802F6CF70457CD4C798A8F07EAB7299D74CAD3D8A1369D908088737C90BC2AEAB41561 - Submitted as: robux-hack-free-robux_GM431946152.pdf
- File type: pdf · Size: 34888 bytes
- Verdict: suspicious (56/100)
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!DC537DFBA0BE
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 56/100 is the fusion of 6 weighted signals:
- Embedded network infrastructure: http://netcdn.tw/app/431946152/robux-hack-free-robux-game-hack, https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/twitter-free-robux_GM431946152.pdf, https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-apk_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 - Contacted 17 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9686 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
- 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
- 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
- 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
- ntp.ubuntu.com
- desktop-hsgcbep
- 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\af56491df91713fb0c177dfc50a03d8b.png -
c4073e3e65d9c01ad7b3f7553e984e70304a70c14571617cd1bc6bd0e85372eb - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
ac446514bb73aa881fd370a4496d7d6fc200faeb7f80c8fb00dc0dd89ad0f078 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.tw/app/431946152/robux-hack-free-robux-game-hack
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/twitter-free-robux_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-apk_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/minecraft-free-computer-game_GM479516143.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-for-coin-master_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/fly-hack-roblox-tm_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/android-coin-master-hack_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-trading-group_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-robux-instantly_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-activegamer_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/pixies-gigantic-coin-master-free-spins-and-coins_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-minecraft-windows-10-with-java_GM479516143.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/microsoft-free-robux_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/instagram-coin-master-free-spins_GM406889139.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/minecraft-hax-download-no-virus_GM479516143.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/when-tiktok-free-views-and-likes_GM835599320.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-robux-mod_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/youtube-roblox-hack-by-roexploits_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-robux-not-a-scam_GM431946152.pdf
- https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-for-today_GM406889139.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- netcdn.tw
- daring.mtsn7sumedang.sch.id
Embedded IP addresses
- 51.105.71.136
- 20.42.179.192
- 52.110.12.19
- 4.230.171.124
- 40.84.85.40
- 20.247.184.197
- 74.178.232.29
- 72.154.7.114
- 20.112.250.133
- 74.178.240.51
- 135.234.160.244
- 4.150.223.98
- 135.233.95.144
- 20.184.175.7
- 52.123.129.14
- 40.103.64.242
- 203.26.79.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report