rktools.exe

Win32 Cabinet Self-Extractor

Microsoft Corporation

This is a setup program which is used to install the application. The file has been seen being downloaded from api.256file.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft® Windows® Operating System

Description:
Win32 Cabinet Self-Extractor

Version:
6.00.2600.0000

MD5:
a623a99d60f8d34d9fbe089bb64368f2

SHA-1:
3f3878ffb2c642e752d811dc05169bfcc2aa97b5

SHA-256:
6260d75a2cb30201c5424defec3ba505edb92b91802825e2fd6eb9bd58ed5cca

Scanner detections:
0 / 68

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

Analysis date:
1/8/2025 11:26:02 AM UTC  (today)

File size:
11.8 MB (12,337,752 bytes)

Product version:
6.00.2600.0000

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
WEXTRACT.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Authority:
Microsoft Corporation

Valid from:
5/25/2002 3:55:48 AM

Valid to:
11/25/2003 4:05:48 AM

Subject:
CN=Microsoft Corporation, OU=Copyright (c) 2002 Microsoft Corp., O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, OU=Copyright (c) 2000 Microsoft Corp., O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
61071143000000000034

File PE Metadata
Compilation timestamp:
8/18/2001 4:42:57 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.0

CTPH (ssdeep):
196608:SqArhdr9Zkj6QpxQ7ZsSn8PClkpUfawzutxChO7VhVfpQAdTDg1k1/mUJe3CEnzV:xAzXS587ZsNpdY2VhVhDdDP/X8CEl/l1

Entry address:
0x5A5E

Entry point:
55, 8B, EC, 83, EC, 44, 56, FF, 15, 5C, 11, 00, 01, 8B, F0, 8A, 06, 3C, 22, 75, 12, 46, 8A, 06, 84, C0, 74, 04, 3C, 22, 75, F5, 80, 3E, 22, 75, 13, EB, 10, 3C, 20, 7E, 0D, 46, 80, 3E, 20, 7F, FA, EB, 05, 3C, 20, 7F, 07, 46, 8A, 06, 84, C0, 75, F5, 83, 65, E8, 00, 8D, 45, BC, 50, FF, 15, 58, 11, 00, 01, F6, 45, E8, 01, 74, 06, 0F, B7, 45, EC, EB, 03, 6A, 0A, 58, 50, 56, 6A, 00, 6A, 00, FF, 15, 54, 11, 00, 01, 50, E8, 35, FF, FF, FF, 50, FF, 15, 04, 11, 00, 01, CC, 53, 8B, 5C, 24, 08, 3A, 5C, 24, 0C, 75, 1B...
 
[+]

Entropy:
7.9992

Developed / compiled with:
Microsoft Visual C++

Code size:
34 KB (34,816 bytes)

The file rktools.exe has been seen being distributed by the following 7 URLs.

http://api.256file.com/.../103795_subinacl.exe

http://api.256file.com/.../103781_remapkey.exe

http://msdn.cvtc.edu/rktools.exe