kb857865.exe

FirsTech Inc.

The application kb857865.exe by FirsTech has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
FirsTech Inc.  (signed and verified)

MD5:
8d21a651102158005773d9cac87d05cf

SHA-1:
09e44d18fc86a894fe8e2cff9e432844b1f0f79d

SHA-256:
d585d158c9bb22a6e61bc2147a1fdf05a657bdb7aa6e7f58df7878512a75cbed

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 4:43:58 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.FirsTech (M)
16.11.4.21

File size:
635.6 KB (650,888 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\microsoft office\office11\kb857865.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/19/2011 2:00:00 AM

Valid to:
12/19/2013 1:59:59 AM

Subject:
CN=FirsTech Inc., OU=IT, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=FirsTech Inc., L=Decatur, S=Illinois, C=US

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:
5C433991ED8187EEA0A3003A1E4861E8

File PE Metadata
Compilation timestamp:
1/21/2003 7:18:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:KXeFWhgkJ7pr4G/l+iuTUk5JaVwRyYb9lDSirCmaGJLilyhhdwr:meFXA7pDlcTU+0wRJbbDSirCm/RAedwr

Entry address:
0x328B

Entry point:
55, 8B, EC, 6A, FF, 68, D0, 4A, 41, 00, 68, 70, 5E, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, 20, 32, 41, 00, 33, D2, 8A, D4, 89, 15, 7C, C5, 41, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 78, C5, 41, 00, C1, E1, 08, 03, CA, 89, 0D, 74, C5, 41, 00, C1, E8, 10, A3, 70, C5, 41, 00, 6A, 01, E8, 43, 2B, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, C3, 00, 00, 00, 59, E8, 21, 1F, 00, 00, 85, C0, 75, 08, 6A, 10, E8, B2, 00, 00, 00, 59, 33, F6, 89, 75...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
72 KB (73,728 bytes)

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