SUSPICIOUS — 4817729_obrazec__udostovereniya__arbitrazhnogo_.pdf
SUSPICIOUS — 4817729_obrazec__udostovereniya__arbitrazhnogo_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (54/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
93ac57f01db9a8ded07662c8517e78f0b0eaebdfee77572754976d7cc13d5bc2 - SHA-1:
bd87d3042eee49d9d4250e8a2f771cf94eaa1b8d - MD5:
67c23c7f71087e507c095539106f33d0 - ssdeep:
6144:YXRmlh9nlUNocbhHxY6A+vnaPoCl+u2syY8UnrYXMoET3v4sdA8+nC5XGmjcjI3P:YXRmljnlUNocb9S6AqilMszMX6T9D+Cb - TLSH:
T1A64802F0EA068B6ACBA97E6B2F35147E6D11113204F0573638475A8B31F15B73B4A6E0 - Submitted as: 4817729_obrazec__udostovereniya__arbitrazhnogo_.pdf
- File type: pdf · Size: 377084 bytes
- Verdict: suspicious (54/100)
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
Why this verdict
The suspicious score of 54/100 is the fusion of 7 weighted signals:
- Contacted 16 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4817/4817440_yelnara__abdullaeva_.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%83%D0%B4%D0%BE%D1%81%D1%82%D0%BE%D0%B2%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B0%D1%80%D0%B1%D0%B8%D1%82%D1%80%D0%B0%D0%B6%D0%BD%D0%BE%D0%B3%D0%BE+%D1%81%D1%83%D0%B4%D1%8C%D0%B8&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4817/4817440_yelnara__abdullaeva_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4817/4817581_steam__memory__fix_.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 (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9697 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
- 255.255.254.169.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
- 251.0.0.224.in-addr.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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0838ff831fb289c8eeb244a8ee9da2251bfd877f32ae6c6e971bc4a95e3a1958 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ba11a1ed65a977b5947b0e92ac5a3b63.png -
d181821ffbeca1f44d30f2f47125b196783b5eab6bd078b26d6e80de4e06cb7d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://botcraftman.ru/?lip&keyword=%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%83%D0%B4%D0%BE%D1%81%D1%82%D0%BE%D0%B2%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B0%D1%80%D0%B1%D0%B8%D1%82%D1%80%D0%B0%D0%B6%D0%BD%D0%BE%D0%B3%D0%BE+%D1%81%D1%83%D0%B4%D1%8C%D0%B8&charset=utf-8
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817440_yelnara__abdullaeva_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817581_steam__memory__fix_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817601_igruy__pohozhie__na_.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
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787445957&P2=404&P3=2&P4=KYRuSBZsmjCl%2bTKZy5YwUnARxzzq0zGEawwEKjZ4ypkpqXtR%2fDLZWJ%2bOUp7%2bymsMIzxVfTwrYFCu%2fVXOSYlI9Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- botcraftman.ru
- img1.liveinternet.ru
Embedded IP addresses
- 4.247.188.233
- 172.66.2.5
- 52.123.252.246
- 52.110.12.50
- 4.230.171.124
- 40.84.85.40
- 135.233.95.135
- 20.165.94.63
- 135.232.92.137
- 51.132.193.104
- 52.123.252.244
- 40.99.133.242
- 72.153.5.62
- 203.26.79.13
- 92.223.78.30
- 20.165.94.46
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report