MALICIOUS — 4809243_kak__otklyuchit__zvuk_.pdf
MALICIOUS — 4809243_kak__otklyuchit__zvuk_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
c4c162a19d8a53355de7a4fcc4c3fa6b403ac8c87b6a553baae3f0823a245659 - SHA-1:
d7f7e73e5471ad17bbc2af3a3e43f88a34160f19 - MD5:
a835182a71faa056614628bac5bf4717 - ssdeep:
6144:H6NzpJl05EtFwCDDf6e0vciUo0nQ4ZAM7rWXcOVPxTOHN6lpwDWKu6Y:H6NzerCH6dv2Q4ZAwrWXc8PxTAN6lwY - TLSH:
T1204812AD9306CAF9F1FE0372406A032D7D2C19A5822291DC5FA416BC46CCF6B763E645 - Submitted as: 4809243_kak__otklyuchit__zvuk_.pdf
- File type: pdf · Size: 363666 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4809/4809211_uninstaller__for__root_.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 19 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%BA%D0%B0%D0%BA+%D0%BE%D1%82%D0%BA%D0%BB%D1%8E%D1%87%D0%B8%D1%82%D1%8C+%D0%B7%D0%B2%D1%83%D0%BA+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%8B+%D0%BD%D0%B0+%D0%B0%D0%B9%D1%84%D0%BE%D0%BD%D0%B5&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4809/4809186_kaspiyskiy__gruz__skachat_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4809/4809211_uninstaller__for__root_.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)
9663 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
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- desktop-hsgcbep
- 250.255.255.239.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
- 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
- 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
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2a09eb61077773839add553578ab0e53352408d6d26439839bc16e975e93a3e6 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\46f91f489c2ad2f5416b0292a448e5c0.png -
1c699aad9d1316f4a66e097bbc372231b87baa5f7fc0f82249645f089133d198 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://botcraftman.ru/?lip&keyword=%D0%BA%D0%B0%D0%BA+%D0%BE%D1%82%D0%BA%D0%BB%D1%8E%D1%87%D0%B8%D1%82%D1%8C+%D0%B7%D0%B2%D1%83%D0%BA+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%8B+%D0%BD%D0%B0+%D0%B0%D0%B9%D1%84%D0%BE%D0%BD%D0%B5&charset=utf-8
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809186_kaspiyskiy__gruz__skachat_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809211_uninstaller__for__root_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809194_skachat__torrent__krestnuyy_.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?P1=1787471470&P2=404&P3=2&P4=d17PCkDUAQdpjS77GPsn7z8TxL4sIUGsdlHhGWTTGdeAtc5D8H8oAfHXOzdjndsyEFWg%2ftCIARYMnDS74veRJw%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
- 149.154.167.99
- 4.150.223.109
- 52.123.252.215
- 172.66.2.5
- 20.42.65.85
- 4.230.171.124
- 57.155.104.224
- 52.110.12.2
- 74.178.240.51
- 52.110.12.18
- 74.179.77.204
- 57.154.63.210
- 20.165.94.46
- 20.112.250.133
- 92.223.78.30
- 203.26.79.13
- 52.123.252.233
- 52.123.128.14
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report