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winbig21-setup_bt.exe

Black Chip LTD

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from get.winbig21.biz and multiple other hosts.
Publisher:
Black Chip LTD  (signed and verified)

MD5:
6df674ebe395e487dd2b235900113e32

SHA-1:
885c4bf098f1a8e61e6d120d9e7d09bcea6033d7

SHA-256:
520251a55af5ef0de0705ec6afd950795691b22b0b1030ad69df04898690aa8a

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/24/2024 6:52:31 PM UTC  (today)

File size:
924.6 KB (946,824 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\winbig21-setup_bt.exe

Digital Signature
Signed by:
Black Chip LTD

Authority:
Symantec Corporation

Valid from:
1/21/2016 4:00:00 PM

Valid to:
3/22/2019 4:59:59 PM

Subject:
CN=Black Chip LTD, O=Black Chip LTD, L=Nicosia, S=Cyprus, C=CY

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

Serial number:
3B75C3236BAB1B62A4EF713D6C7C39C6

File PE Metadata
Compilation timestamp:
8/4/2015 5:46:30 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:n+2yFiyMuaHwUXVwrrxuhURh015ExGoPD37G:buAzXVwAh75iVT7G

Entry address:
0x335A

Entry point:
81, EC, D8, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 09, A3, B8, 92, 42, 00, E8, 59, 2F, 00, 00, A3, 04, 92, 42, 00, 55, 8D, 44, 24, 38, 68, B4, 02, 00, 00, 50, 55, 68, A8, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 00, 82, 42, 00, E8, C4, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, B2, 2B, 00, 00...
 
[+]

Entropy:
7.9869

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file winbig21-setup_bt.exe has been seen being distributed by the following 3 URLs.

http://get.winbig21.biz/get/.../1826775

http://installer.casinocontroller.com/download/99/1844741/Winbig21//.../Winbig21-Setup_bt(1844741).exe

http://get.winbig21.com/get/.../1908083

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