kophack.exe

VMware Tools

OOO

The application kophack.exe, “VMware Tools Core Service” by OOO has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from ska4ay.com.
Publisher:
VMware, Inc.  (signed by OOO )

Product:
VMware Tools

Description:
VMware Tools Core Service

Version:
9.6.2.31837

MD5:
e1decd23363bd745ad2d63fa20b972e3

SHA-1:
77d6c4069e2c0b73e6cd458124cce374b5bbc901

SHA-256:
050f605debc603115422bf2f305ba8689893e80633ef4a352e0f8bbed6a9e35c

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/29/2024 10:39:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.10.13

File size:
857.5 KB (878,072 bytes)

Product version:
9.6.2 build-1688356

Copyright:
Copyright © 1998-2014 VMware, Inc.

Original file name:
vmtoolsd.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
5/11/2016 3:00:00 AM

Valid to:
5/12/2017 2:59:59 AM

Subject:
CN="OOO ""IMPULS IT""", O="OOO ""IMPULS IT""", STREET="d. 2 kv. 73, ul.Tsiolkovskogo", L=Omsk, S=Omskaya obl., PostalCode=644042, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00F68CC3C557A4EBCD0D223C24995F65F7

File PE Metadata
Compilation timestamp:
7/28/2016 10:15:33 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:wyf1lb7daY1aASleUYCOLI/pjbchdphCz:widaYNS8sOLCdb0dphk

Entry address:
0x1030

Entry point:
55, 8B, EC, 81, EC, 00, 04, 00, 00, 8B, 45, D4, C1, E0, DA, 89, 45, C8, 8B, 4D, F0, 03, 4D, DC, 89, 4D, E8, 8B, 55, D0, 8B, 4D, C8, D3, EA, 89, 55, C0, 8B, 45, F8, C1, E0, 49, 89, 45, D8, 8B, 4D, D8, 03, 4D, C4, 89, 4D, D8, 8B, 55, F8, 0F, AF, 55, C0, 89, 55, D4, 8B, 45, F0, C1, E8, 55, 89, 45, E8, FF, 15, 18, C0, 41, 00, 8B, 4D, DC, 69, C9, 9D, 14, A5, 0D, 89, 4D, D0, FF, 15, 18, C0, 41, 00, FF, 15, 14, C0, 41, 00, 68, 4C, 40, 4C, 00, 8B, 55, C4, 52, FF, 15, 3C, C0, 41, 00, 8B, 45, D4, 50, FF, 15, 40, C0...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
107 KB (109,568 bytes)

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

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