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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 sdn.szn.cz on port 443.
Publisher:
Seznam.cz, a.s.  (signed and verified)

MD5:
1ed842b768a3e8f0c925d70beda6b734

SHA-1:
01955cf6d246a303675c6506bb25e78e880b6a57

SHA-256:
5c3c6b8cf61f5baf8dc9cbfa6ffc75917204753e319f311bf0163066cf2d7d50

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 2:03:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Seznam (M)
16.10.19.12

File size:
1 MB (1,054,912 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:
9/7/2016 5:57:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:LM2OfYzP0wzDhGOy1/XG+9ikj14dD+1VOiuTZGlwSrajCGhbVmMQb:LM2OfUPHPED1/XGroGdy11lwt7VmR

Entry address:
0x6939A

Entry point:
E8, B3, CF, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 53, 56, 8B, 4C, 24, 0C, 8B, 54, 24, 10, 8B, 5C, 24, 14, F7, C3, FF, FF, FF, FF, 74, 51, 2B, CA, F7, C2, 03, 00, 00, 00, 74, 18, 0F, B6, 04, 0A, 3A, 02, 75, 48, 85, C0, 0F, 44, D8, 42, 83, EB, 01, 76, 34, F6, C2, 03, 75, E8, 8D, 04, 0A, 25, FF, 0F, 00, 00, 3D, FC, 0F, 00, 00, 77, D9, 8B, 04, 0A, 3B, 02, 75, D2, 83, EB, 04, 76, 14, 8D, B0, FF, FE, FE, FE, 83, C2, 04, F7, D0, 23, C6, A9, 80, 80, 80, 80, 74, D1, 33, C0, 5E...
 
[+]

Code size:
647 KB (662,528 bytes)

Shell Open Command
Open type:
http

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


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

TCP (HTTP SSL):
Connects to sdn.szn.cz  (77.75.76.173:443)

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