MALICIOUS — 4817523_sumerki__skachat__besplatno_.pdf
MALICIOUS — 4817523_sumerki__skachat__besplatno_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
d8059be827da169cff32b7dfb5fbd65fc7c7cab77d26ac86443318d56b6bec76 - SHA-1:
d7549569d04252b60f843ba498d8ead79d0dd411 - MD5:
b06d89998d0785ad8d2589652d589f51 - ssdeep:
6144:VaWs6Z9QRR5zlrsEiRpi9gccguQnza0JcXiMM7FhwusUC480rVwa:HI59+bizxAnMzsUa0rp - TLSH:
T11F4802F2E9418DA9DA6C36513E28516D3E1A651B50F0173E394369EB73F2ABB034E031 - Submitted as: 4817523_sumerki__skachat__besplatno_.pdf
- File type: pdf · Size: 378579 bytes
- Verdict: malicious (75/100)
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 malicious score of 75/100 is the fusion of 7 weighted signals:
- Contacted 18 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4817/4817479_rayonnaya__municipalnaya__olimpiada_.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D1%81%D1%83%D0%BC%D0%B5%D1%80%D0%BA%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B2%D1%81%D0%B5+%D1%87%D0%B0%D1%81%D1%82%D0%B8&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4817/4817479_rayonnaya__municipalnaya__olimpiada_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4817/4817484_windows__loader_.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)
9734 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f37a46eaaa401ac33d206e31627fc0e5.png -
d61acde7c246bf09c7da3df43765ed31f231c8018cbba88ef041da7e24272ee7 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c41461b8a34897d918ea3e7090981a590ca40ae8c963317ef904397cd5698cd5 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://botcraftman.ru/?lip&keyword=%D1%81%D1%83%D0%BC%D0%B5%D1%80%D0%BA%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B2%D1%81%D0%B5+%D1%87%D0%B0%D1%81%D1%82%D0%B8&charset=utf-8
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817479_rayonnaya__municipalnaya__olimpiada_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817484_windows__loader_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4817/4817446_skachat__vsti_.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=msedge.f.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787449485&P2=404&P3=2&P4=B2aoKm80LekL3tvjNO8pjzRxaH9WS3pdOmsvcW6onLxxwB5qVyzttOUTtXnzFELtK1XaJVvQlYFBStFkAQbbrg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- botcraftman.ru
- img1.liveinternet.ru
Embedded IP addresses
- 135.233.95.80
- 20.184.175.21
- 20.165.94.63
- 4.150.223.103
- 52.123.252.246
- 172.66.2.5
- 52.110.12.56
- 4.150.223.111
- 74.179.77.164
- 85.210.196.11
- 74.178.76.44
- 74.178.240.61
- 52.168.117.169
- 203.26.79.13
- 92.223.78.30
- 52.123.128.14
- 52.123.129.14
- 4.230.171.124
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report