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锐动天地光盘刻录大师@696_52158_2.exe

Downloader

Shanghai Yishen Network Technology Co., Ltd.

The application 锐动天地光盘刻录大师@696_52158_2.exe by Shanghai Yishen Network Technology Co. has been detected as a potentially unwanted program by 21 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This setup program installs potentially unwanted software on the user's PC at the same time as the expected/marketing software, without adequate consent. The program is typically installed via a form of malvertising The file has been seen being downloaded from down.xiazai2.net and multiple other hosts. While running, it connects to the Internet address 123.103.57.66-BJ-CNC on port 80 using the HTTP protocol.
Publisher:
Shanghai Yishen Network Technology Co., Ltd.  (signed and verified)

Product:
Downloader

Version:
6.0.0.1

MD5:
028bbd734526c6e3f76567cb16eb4946

SHA-1:
d1b542a4bafe099f4cdd302ac415fac7271df9cc

Scanner detections:
21 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 6:00:26 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.291905
200

AhnLab V3 Security
PUP/Win32.SoftwareBundler.C1489512
3.7.5.15

Arcabit
Trojan.Graftor.D47441
1.0.0.741

avast!
Win32:Malware-gen
2014.9-160719

AVG
Generic37
2017.0.2678

Bitdefender
Gen:Variant.Graftor.291905
1.0.20.1005

Bkav FE
W32.HfsAdware
1.3.0.8108

Dr.Web
Trojan.Winlock.13291
9.0.1.0201

Emsisoft Anti-Malware
Gen:Variant.Graftor.291905
8.16.07.19.08

ESET NOD32
Win32/Packed.NSISmod.O suspicious application
8.0.319.0

F-Secure
Variant.Symmi.65041
5.15.96

G Data
Gen:Variant.Graftor.291905
16.7.25

IKARUS anti.virus
PUA.Softcnapp
t3scan.2.1.6.0

Malwarebytes
PUP.Optional.ChinAd
v2016.07.19.08

Microsoft Security Essentials
BrowserModifier:Win32/Xiazai
1.1.12902.0

MicroWorld eScan
Gen:Variant.Graftor.291905
17.0.0.603

NANO AntiVirus
Trojan.Win32.Winlock.edusxx
1.0.38.8984

Panda Antivirus
Trj/Genetic.gen
16.07.19.08

Sophos
Xiazai (PUA)
4.98

Vba32 AntiVirus
Downloader.Xiazai
3.12.26.4

Zillya! Antivirus
Downloader.XiazaiCRTD.Win32.217
2.0.0.2965

File size:
386 KB (395,304 bytes)

Product version:
6.0.0.1

Original file name:
Downloader

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
Shanghai Yishen Network Technology Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
11/4/2015 5:27:27 PM

Valid to:
11/4/2016 5:27:27 PM

Subject:
CN="Shanghai Yishen Network Technology Co., Ltd.", O="Shanghai Yishen Network Technology Co., Ltd.", L=Shanghai, S=Shanghai, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
62B00AF7B42A239D1C1409007FAEFFB5

File PE Metadata
Compilation timestamp:
6/20/2016 4:42:23 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:O/AFZ8+aHhdjGz178mhb2PMfkJ0gI/Uc3ZGeJ5QdrmlopP4hc1HGr+YiczEXzCE5:O/qUdjGmmA8/V37QolwPoc1HviEXGjK

Entry address:
0x331D

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 20, C7, 44, 24, 14, 38, 74, 40, 00, 89, 5C, 24, 1C, C6, 44, 24, 18, 20, FF, 15, 98, 70, 40, 00, FF, 15, 9C, 70, 40, 00, 66, 83, F8, 06, 74, 11, 53, E8, B3, 27, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, BE, B0, 73, 40, 00, 56, E8, 2F, 27, 00, 00, 56, FF, 15, A0, 70, 40, 00, 8D, 74, 06, 01, 38, 1E, 75, EB, 6A, 0D, E8, 87, 27, 00, 00, 6A, 0B, E8, 80, 27, 00, 00, A3, 00, 6C, 44, 00, FF, 15, 30, 70, 40, 00, 53, FF, 15, 88...
 
[+]

Entropy:
7.8449

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file 锐动天地光盘刻录大师@696_52158_2.exe has been seen being distributed by the following 2 URLs.

http://down.xiazai2.net/?/1-36129/.../Windows7-DreamScene.exe .exe

http://down.dxiaz.com/cx/160624/.../BitComet(????)@696_8264_2.exe

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

TCP (HTTP):
Connects to IZ23JB5TYFJZ  (121.41.10.159:80)

TCP (HTTP):
Connects to 123.103.57.66-BJ-CNC  (123.103.57.66:80)

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