MALICIOUS — 4809596_pismo__blagodarnost__delovomu_.pdf
MALICIOUS — 4809596_pismo__blagodarnost__delovomu_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (80/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
642e81d009d240f36abec17080e7f777b28171fec75862b033e987cae3fddd34 - SHA-1:
45cc85f46b8892ef2b777eb2b31464479540c3d6 - MD5:
a50cfc07897023bddbaf1d71c63bbe7f - ssdeep:
6144:GRbdU/OI0bDuAZzRpOzzazx3YmTzND5cR7FDMzPnmIXX+qDf7SQe1CWdz9oONNdi:GhRIkDu2fOGx55VcdVMi9qDf7Soym - TLSH:
T1714812F2CE069F4CC69A7B597E3CA13E1D1A454210F0673029E25FE526B61BF13092A6 - Submitted as: 4809596_pismo__blagodarnost__delovomu_.pdf
- File type: pdf · Size: 367438 bytes
- Verdict: malicious (80/100)
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 80/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4809/4809346_doklad__o_.pdf - network signal, weight 0.70, confidence 0.80
- Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%BF%D0%B8%D1%81%D1%8C%D0%BC%D0%BE+%D0%B1%D0%BB%D0%B0%D0%B3%D0%BE%D0%B4%D0%B0%D1%80%D0%BD%D0%BE%D1%81%D1%82%D1%8C+%D0%B4%D0%B5%D0%BB%D0%BE%D0%B2%D0%BE%D0%BC%D1%83+%D0%BF%D0%B0%D1%80%D1%82%D0%BD%D0%B5%D1%80%D1%83+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4809/4809239_yerik__bern__igruy_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4809/4809469_scenariy__serebryanaya__svadba_.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 8 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)
9598 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
- 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
- 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
- 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
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 192.168.122.116
- 20.190.167.66
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7d1a63b027a6cab064316627c1837e84.png -
a97dcf864f7625287531314e3d7e0979288d36e3982a24efd9b18523be7ba012 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
283767c6aaee6caa47e7f105f45421ff27f563430cae9c38ce2c6b333dc34b31 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://botcraftman.ru/?lip&keyword=%D0%BF%D0%B8%D1%81%D1%8C%D0%BC%D0%BE+%D0%B1%D0%BB%D0%B0%D0%B3%D0%BE%D0%B4%D0%B0%D1%80%D0%BD%D0%BE%D1%81%D1%82%D1%8C+%D0%B4%D0%B5%D0%BB%D0%BE%D0%B2%D0%BE%D0%BC%D1%83+%D0%BF%D0%B0%D1%80%D1%82%D0%BD%D0%B5%D1%80%D1%83+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809239_yerik__bern__igruy_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809469_scenariy__serebryanaya__svadba_.pdf
- http://img1.liveinternet.ru/images/attach/c/7//4809/4809346_doklad__o_.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
- 57.155.101.212
- 20.236.44.162
- 74.178.76.128
- 52.123.252.239
- 13.69.116.105
- 135.233.95.144
- 162.159.36.2
- 4.230.171.124
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report