MSERT.exe

Microsoft Malware Protection

Microsoft Corporation

This is a setup program which is used to install the application. The file has been seen being downloaded from definitionupdates.microsoft.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft Malware Protection

Description:
Microsoft Support Emergency Response Tool

Version:
1.175.1349.0

MD5:
8918c2e74ee752d5a97ee3aa700ba5a6

SHA-1:
2daf111c6d7adf1dc6654caa204423e40df8b38a

SHA-256:
b772fcc51b12a043b8e8481391db4ba1d752dde2c8fc28449fd54c471b89ffdd

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
12/6/2016 1:17:05 PM UTC  (today)

File size:
102 MB (106,930,456 bytes)

Product version:
1.175.1349.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
MSERT.exe

File type:
Executable application (Win64 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\msert.exe

Digital Signature
Authority:
Microsoft Corporation

Valid from:
4/22/2014 6:39:00 PM

Valid to:
7/22/2015 6:39:00 PM

Subject:
CN=Microsoft Corporation, OU=MOPR, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
33000000CA6CD5321235C4E1550001000000CA

File PE Metadata
Compilation timestamp:
6/4/2014 11:09:07 AM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.10

CTPH (ssdeep):
1572864:Fa7bbWQ0Z2+uupnOGKtIwFWzTco2avPtd+AKn5r6dGt6ycno/s/gWr8CWTmJ1W7I:FcbbWh2+LVKCc4PtdknA65b/GXOQvB

Entry address:
0x3EFBC

Entry point:
48, 83, EC, 28, E8, E3, 0C, 00, 00, 48, 83, C4, 28, E9, 9A, FD, FF, FF, CC, CC, CC, CC, CC, CC, FF, 25, EE, 29, FC, FF, CC, CC, CC, CC, CC, CC, 48, 83, EC, 38, 48, 8B, 44, 24, 60, 48, 89, 44, 24, 20, E8, 0D, 00, 00, 00, 48, 83, C4, 38, C3, CC, CC, CC, CC, CC, CC, CC, CC, 40, 53, 48, 81, EC, 40, 05, 00, 00, 48, 8B, 05, F0, 30, 01, 00, 48, 33, C4, 48, 89, 84, 24, 30, 05, 00, 00, 48, 8D, 4C, 24, 60, FF, 15, EA, 21, FC, FF, 48, 8B, 9C, 24, 58, 01, 00, 00, 48, 8D, 54, 24, 40, 48, 8B, CB, 45, 33, C0, FF, 15, C1...
 
[+]

Entropy:
7.9254  (probably packed)

Code size:
323 KB (330,752 bytes)

The file MSERT.exe has been seen being distributed by the following 2 URLs.