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em_4.exe

LENOVO

This is a setup program which is used to install the application. The file has been seen being downloaded from driverdl.lenovo.com.cn.
Publisher:
LENOVO  (signed and verified)

MD5:
2589ba1f2a43753f4bda6d961044804d

SHA-1:
4793a27ff5c8b71f64c8b9a5f835376fa6a911ee

SHA-256:
025ae3d88b4df0a323553ab057110b4205e30360eefb9888f1d5982854504aaa

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/23/2024 12:45:09 PM UTC  (today)

File size:
21.1 MB (22,125,184 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\em_4.exe

Digital Signature
Signed by:
LENOVO

Authority:
Symantec Corporation

Valid from:
1/13/2015 8:00:00 AM

Valid to:
1/13/2018 7:59:59 AM

Subject:
CN=LENOVO, O=LENOVO, L=Morrisville, S=North Carolina, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5716180DB7D4989DC4A17083DCFA7567

File PE Metadata
Compilation timestamp:
6/9/2012 9:19:49 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
393216:ItrhLtBNGXoo6TdaxVXGqVE+MkTM6YKh6MbFx8lY0cSKYukmVrc5Yt2nNXU/Fj/m:IbLlg6BaxV8umvMb0bukWrcqMRUNxG

Entry address:
0xAC87

Entry point:
E8, E3, FE, FF, FF, 33, C0, 50, 50, 50, 50, E8, 9F, 30, 00, 00, C3, 56, 57, 8B, 7C, 24, 0C, 8B, F1, 8B, CF, 89, 3E, E8, 8F, AB, FF, FF, 89, 46, 08, 89, 56, 0C, 8B, 87, 24, 0C, 00, 00, 89, 46, 10, 5F, 8B, C6, 5E, C2, 04, 00, 8B, C1, 8B, 08, 8B, 50, 10, 3B, 91, 24, 0C, 00, 00, 75, 0D, 6A, 00, FF, 70, 0C, FF, 70, 08, E8, 0E, B1, FF, FF, C3, 56, 8B, F1, 8B, 06, 85, C0, 74, 07, 50, FF, 15, C4, 40, 41, 00, 83, 26, 00, 83, 66, 08, 00, 83, 66, 0C, 00, 5E, C3, 56, 8B, F1, 80, 7E, 04, 00, 75, 34, 68, F4, 44, 41, 00...
 
[+]

Entropy:
7.9998  (probably packed)

Code size:
73 KB (74,752 bytes)

The file em_4.exe has been seen being distributed by the following URL.

http://driverdl.lenovo.com.cn/lenovo/DriverFilesUploadFloder/.../EM_4.exe

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