SUSPICIOUS — 4818173_obrezka__plodovuyh__derevev_.pdf

SUSPICIOUS — 4818173_obrezka__plodovuyh__derevev_.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: 89f0fe4f48fea82afbe7843023e21e4382ebdd1bb1b0c1baf4295adfe08c6702
• SHA-1: 91c6f017725ac18cbeb6dd0ed63e157a8e7e18ad
• MD5: 0a295717efc35ba5fa89567f855bb1e2
• ssdeep: 6144:j8mIdNISkQkSodQg2jsEbMzYbjytp5D5cNX27FdelKV+QG5Ukcbp1Cbqi6t8lR45:jj4DfU72KojyJD5PFd2K4Q9bnCo8le+U
• TLSH: T1B24912F29B019EA9C79E3B53BE74102E3D16166218F027253CA70AFA03B92FB3355515
• Submitted as: 4818173_obrezka__plodovuyh__derevev_.pdf
• File type: pdf · Size: 391320 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://img1.liveinternet.ru/images/attach/c/7//4817/4817581_steam__memory__fix_.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%BE%D0%B1%D1%80%D0%B5%D0%B7%D0%BA%D0%B0+%D0%BF%D0%BB%D0%BE%D0%B4%D0%BE%D0%B2%D1%8B%D1%85+%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D0%B5%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4817/4817581_steam__memory__fix_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4817/4817961_eve__online_.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)

9692 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• searchapp.bundleassets.example
• staging.to-do.officeppe.com
• 250.255.255.239.in-addr.arpa
• desktop-hsgcbep
• 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
• ntp.ubuntu.com
• 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
• 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
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.209
• 23.11.37.157
• 40.126.14.162
• 150.171.22.17

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 6b384bbc59d0d3536f55bea5d02929a2cff5aa1e96de35120ce9abf85a7ffa80
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4751685f2edd93206fb9d719ae66cd2a.png - dfcfcbd1d4416c6f5ec89849d7df4fe8dc0468b0c5acc1cee629cc36b162e0d9
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://botcraftman.ru/?lip&keyword=%D0%BE%D0%B1%D1%80%D0%B5%D0%B7%D0%BA%D0%B0+%D0%BF%D0%BB%D0%BE%D0%B4%D0%BE%D0%B2%D1%8B%D1%85+%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D1%8C%D0%B5%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
• http://img1.liveinternet.ru/images/attach/c/7//4817/4817581_steam__memory__fix_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4817/4817961_eve__online_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4817/4817845_vosstanovlenie__beta__kletok_.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• botcraftman.ru
• img1.liveinternet.ru

Embedded IP addresses

• 20.165.94.63
• 20.184.175.21
• 72.145.35.99
• 52.110.12.47
• 172.178.240.163
• 4.230.171.124
• 48.211.4.16
• 135.232.92.137
• 74.178.76.44
• 72.145.35.111
• 4.207.44.68
• 74.178.240.61
• 52.230.60.54
• 142.250.195.163
• 203.26.79.13

File paths

• o:\zI

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report