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51talk-ac-teacher.exe

51Talk-AC

Beijing Dashengzhixing Technology Limited

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from tswf.51talk.com.
Publisher:
51talk corporation  (signed by Beijing Dashengzhixing Technology Limited)

Product:
51Talk-AC

Version:
2014.12.02.021

MD5:
c71c8e916b1ee29122c1a6160e1aeac4

SHA-1:
95e450fd34d302f7b2fdec880d9fc8fac85fc6da

SHA-256:
5fb6a6efe04fee7be36ddabc8dcfb12b2d0791b090689409212b4eff23f451fb

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
12/26/2024 6:53:29 PM UTC  (today)

File size:
8.2 MB (8,603,872 bytes)

Product version:
2014.12.02.021

Copyright:
Copyright (C) 1996-2012 51Talk

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\51talk-ac-teacher.exe

Digital Signature
Signed by:
Beijing Dashengzhixing Technology Limited

Authority:
VeriSign, Inc.

Valid from:
3/7/2014 8:00:00 AM

Valid to:
3/8/2015 7:59:59 AM

Subject:
CN=Beijing Dashengzhixing Technology Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Beijing Dashengzhixing Technology Limited, L=Beijing, S=Beijing, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6EE8C7E9F740BFC3E195487B2CEE2BC5

File PE Metadata
Compilation timestamp:
4/10/2010 8:19:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
196608:6MpWMDe2Uo+4DlrEjiCN+yL1gWP8Z7CfCY:6MEMD7u4hr0iCf58Z7CfF

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9218

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file 51talk-ac-teacher.exe has been seen being distributed by the following URL.

http://tswf.51talk.com/.../51Talk-AC-teacher.exe

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