SUSPICIOUS — 4690241_skachat__albom__zippo_.pdf

SUSPICIOUS — 4690241_skachat__albom__zippo_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 88a12472314ff9f266fa272e8bf8f68d6f23162497dc8e85a1e205854dd06e2c
• SHA-1: d95d2d62dce5a90c31fca5d72a08e9554f89d8c0
• MD5: f58674f2aac97319ec3443231d4a7c65
• ssdeep: 6144:FgEL2lCdU29LczqWbs7l/skU+h7xepAR8ZjbcX32V9w+ntgTtS72:CM95LcVbs7Pdopc8Be69w+ntgM2
• TLSH: T1A54811F3E801EE7CDDAD7F262E31517D2EAA405620F17B2A28070CD5336A27B4715962
• Submitted as: 4690241_skachat__albom__zippo_.pdf
• File type: pdf · Size: 375730 bytes
• Verdict: suspicious (66/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

The suspicious score of 66/100 is the fusion of 7 weighted signals:

• Embedded link rated suspicious by URL analysis: http://img0.liveinternet.ru/images/attach/c/6//4690/4690190_portfolio__doshkolnika__shablonuy_.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+zippo+%D0%BD%D0%B5%D0%B7%D0%B0%D0%B1%D1%8B%D0%B2%D0%B0%D0%B5%D0%BC%D0%BE&charset=utf-8, http://img0.liveinternet.ru/images/attach/c/6//4690/4690190_portfolio__doshkolnika__shablonuy_.pdf, http://img0.liveinternet.ru/images/attach/c/6//4690/4690174_luchshaya__noch__tekst_.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 15 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9637 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• searchapp.bundleassets.example
• inference.location.live.net
• 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
• 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
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.209
• 192.168.122.116
• 23.11.37.157
• 20.190.167.21
• 23.33.238.135

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 1f3eb7db734578adc4a8ca6f8393992da8e5669a04895482a0ec4e5aac87ff90
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a2b803af6b58aa7451a18b71cca4977f.png - 67742b2a397d03f47631fae9802ee277c7692486aa9243ce4409362b9ec3aecd
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+zippo+%D0%BD%D0%B5%D0%B7%D0%B0%D0%B1%D1%8B%D0%B2%D0%B0%D0%B5%D0%BC%D0%BE&charset=utf-8
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690190_portfolio__doshkolnika__shablonuy_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690174_luchshaya__noch__tekst_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690080_francuzskie__deti__ne_.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• botcraftman.ru
• img0.liveinternet.ru

Embedded IP addresses

• 52.148.114.188
• 52.123.252.195
• 4.150.223.105
• 52.110.12.8
• 40.84.85.40
• 20.236.44.162
• 135.233.45.221
• 172.66.2.5
• 20.247.185.124
• 74.178.240.61
• 72.145.35.96
• 40.79.150.122
• 162.159.36.2
• 4.230.171.124
• 20.231.239.246

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report