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seznam.cz.exe

Seznam.cz, a.s.

The application seznam.cz.exe by Seznam.cz, a.s has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address srank.seznam.cz on port 443.
Publisher:
Seznam.cz, a.s.  (signed and verified)

MD5:
caddc98ac35e057ce806d72e092dea35

SHA-1:
f4f031fb0a232e6830f4ec41fff260579f040921

SHA-256:
0cc5c3eeb33d8c97bc4d795644df8081197459e263008decf346750828632946

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/27/2024 6:14:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Seznam (M)
17.3.15.14

File size:
809.2 KB (828,600 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\seznam browser\seznam.cz.exe

Digital Signature
Signed by:
Seznam.cz, a.s.

Authority:
thawte, Inc.

Valid from:
4/6/2016 2:00:00 AM

Valid to:
4/10/2017 1:59:59 AM

Subject:
CN="Seznam.cz, a.s.", O="Seznam.cz, a.s.", L=Praha 5, S=Praha 5, C=CZ

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
6B57C0310010618229A5DBCF37838A9F

File PE Metadata
Compilation timestamp:
3/8/2017 1:32:23 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x42E71

Entry point:
E8, 71, 0D, 00, 00, E9, 8E, FE, FF, FF, CC, CC, CC, CC, CC, 57, 56, 53, 33, FF, 8B, 44, 24, 14, 0B, C0, 7D, 14, 47, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 18, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, D3, EB, 41, 8B, D8, 8B, 4C, 24, 18, 8B, 54, 24, 14, 8B, 44, 24, 10, D1, EB, D1, D9, D1, EA, D1, D8, 0B, DB...
 
[+]

Code size:
520 KB (532,480 bytes)

Shell Open Command
Open type:
ftp

Command:
"C:\users\{user}\appdata\roaming\seznam browser\seznam.cz.exe" -surl="%1"


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to assigned-81-0-212-201.casablanca.cz  (81.0.212.201:443)

TCP (HTTP SSL):
Connects to suggest.seznam.cz  (77.75.77.114:443)

TCP (HTTP SSL):
Connects to zeptejsekrastyho.seznam.cz  (77.75.79.61:443)

TCP (HTTP):
Connects to www.freevideo.cz.104.124.94.in-addr.arpa  (94.124.104.200:80)

TCP (HTTP SSL):
Connects to srank.seznam.cz  (77.75.79.66:443)

TCP (HTTP SSL):
Connects to email.seznam.cz  (77.75.76.150:443)

TCP (HTTP SSL):
Connects to 7c.fe.a86c.ip4.static.sl-reverse.com  (108.168.254.124:443)

TCP (HTTP SSL):
Connects to search.seznam.cz  (77.75.79.120:443)

TCP (HTTP SSL):
Connects to sdn.szn.cz  (77.75.78.175:443)

TCP (HTTP SSL):
Connects to fimg-resp.seznam.cz  (77.75.77.126:443)

TCP (HTTP SSL):
Connects to download.seznam.cz  (77.75.77.38:443)

TCP (HTTP SSL):
Connects to www.email.cz  (77.75.78.120:443)

TCP (HTTP SSL):
Connects to img.email.seznam.cz  (77.75.76.13:443)

TCP (HTTP SSL):
Connects to h.imedia.cz  (77.75.79.9:443)

TCP (HTTP):
Connects to frankfurt-15.cdn77.com  (185.59.220.16:80)

TCP (HTTP SSL):
Connects to xx-fbcdn-shv-01-vie1.fbcdn.net  (31.13.84.4:443)

TCP (HTTP SSL):
Connects to uloz.to  (93.99.92.193:443)

TCP (HTTP SSL):
Connects to sync.software.seznam.cz  (77.75.79.134:443)

TCP (HTTP SSL):
Connects to software.seznam.cz  (77.75.79.37:443)

TCP (HTTP SSL):
Connects to pr-bh.pbp.vip.ir2.yahoo.com  (77.238.185.35:443)

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