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TSvr.exe

svr.exe

Wenchao Zhang

The application TSvr.exe by Wenchao Zhang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “IhPul”. While running, it connects to the Internet address server-52-85-63-159.lhr50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
tsvr.com  (signed by Wenchao Zhang)

Product:
svr.exe

Description:
tsvr.com

Version:
3.0.0.51

MD5:
8d89d6979fca3ebe923f9bd194279fd4

SHA-1:
e87d1831b3e143e9c6576862a68981c807eff61c

SHA-256:
e54659b121cd2a229958bb8218817d6f1396397f26a6a9d85bf667401b7a357f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/20/2024 12:46:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.WenchaoZ.Meta (M)
16.7.4.8

File size:
464.7 KB (475,856 bytes)

Product version:
3.0.0.51

Copyright:
Copyright (C) TSVR Since 2015

Original file name:
TSvr.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\appdata\roaming\tsv\tsvr.exe

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
6/28/2016 7:00:00 AM

Valid to:
6/9/2017 6:59:59 AM

Subject:
CN=Wenchao Zhang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

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

Serial number:
17AB36D1CAF107278786AE92B5CDF630

File PE Metadata
Compilation timestamp:
7/4/2016 12:18:25 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:F34OhAjcbwNt5IzUgbwtmX7nvIXvnyfbk:FThTbwvltmXDvIXPyfbk

Entry address:
0x51142

Entry point:
E8, CD, 09, 00, 00, E9, 03, FE, FF, FF, FF, 25, F0, 43, 45, 00, FF, 25, F4, 43, 45, 00, FF, 25, F8, 43, 45, 00, FF, 25, FC, 43, 45, 00, FF, 25, 00, 44, 45, 00, FF, 25, 04, 44, 45, 00, FF, 25, 08, 44, 45, 00, FF, 25, 0C, 44, 45, 00, FF, 25, 10, 44, 45, 00, FF, 25, 14, 44, 45, 00, FF, 25, 18, 44, 45, 00, FF, 25, 1C, 44, 45, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, FF, 25, 20, 44, 45, 00, FF, 25, 24, 44, 45, 00, FF, 25, 28, 44, 45, 00, FF, 25, 2C, 44, 45, 00, FF, 25, 30, 44, 45, 00, FF, 25, 34, 44...
 
[+]

Entropy:
6.4868

Code size:
330.5 KB (338,432 bytes)

Service
Display name:
IhPul

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to server-54-230-51-128.jfk5.r.cloudfront.net  (54.230.51.128:80)

TCP (HTTP):
Connects to server-52-84-7-46.ord54.r.cloudfront.net  (52.84.7.46:80)

TCP (HTTP):
Connects to server-52-84-7-175.ord54.r.cloudfront.net  (52.84.7.175:80)

TCP (HTTP):
Connects to server-52-85-83-54.lax1.r.cloudfront.net  (52.85.83.54:80)

TCP (HTTP):
Connects to server-54-230-81-63.mia50.r.cloudfront.net  (54.230.81.63:80)

TCP (HTTP):
Connects to server-54-230-81-52.mia50.r.cloudfront.net  (54.230.81.52:80)

TCP (HTTP):
Connects to server-54-230-51-149.jfk5.r.cloudfront.net  (54.230.51.149:80)

TCP (HTTP):
Connects to server-54-230-51-219.jfk5.r.cloudfront.net  (54.230.51.219:80)

TCP (HTTP):
Connects to server-54-230-51-13.jfk5.r.cloudfront.net  (54.230.51.13:80)

TCP (HTTP):
Connects to server-54-230-216-151.mrs50.r.cloudfront.net  (54.230.216.151:80)

TCP (HTTP):
Connects to server-54-230-216-148.mrs50.r.cloudfront.net  (54.230.216.148:80)

TCP (HTTP):
Connects to server-54-230-163-140.jax1.r.cloudfront.net  (54.230.163.140:80)

TCP (HTTP):
Connects to server-54-230-51-33.jfk5.r.cloudfront.net  (54.230.51.33:80)

TCP (HTTP):
Connects to server-54-192-36-99.jfk1.r.cloudfront.net  (54.192.36.99:80)

TCP (HTTP):
Connects to server-54-192-36-105.jfk1.r.cloudfront.net  (54.192.36.105:80)

TCP (HTTP):
Connects to server-54-230-51-193.jfk5.r.cloudfront.net  (54.230.51.193:80)

TCP (HTTP):
Connects to server-54-230-163-232.jax1.r.cloudfront.net  (54.230.163.232:80)

TCP (HTTP):
Connects to server-54-192-19-72.iad12.r.cloudfront.net  (54.192.19.72:80)

TCP (HTTP):
Connects to server-54-192-19-56.iad12.r.cloudfront.net  (54.192.19.56:80)

TCP (HTTP):
Connects to server-52-85-63-236.lhr50.r.cloudfront.net  (52.85.63.236:80)

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