little_thirteen.exe

Cool Mirage ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application little_thirteen.exe by Cool Mirage ltd has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities.
Publisher:
Cool Mirage ltd.  (signed and verified)

MD5:
fbb1b01cdf23aaa06391efa6e3c15dd5

SHA-1:
c3d79df2dfa7447f7afd5d143cd408fe7319c1e7

SHA-256:
5e10b19a6ad9cd3a2c5fb9d810c106ea754b6166450a7ee6ce3ef27810424fe3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
12/27/2024 5:24:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage.Installer (M)
16.2.25.3

File size:
213.5 KB (218,616 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
11/14/2012 1:00:00 AM

Valid to:
11/15/2014 12:59:59 AM

Subject:
CN=Cool Mirage ltd., O=Cool Mirage ltd., STREET=ogarit 39, L=tel aviv, S=tel aviv, PostalCode=69016, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FC28659CC8073606EF4D09A1994B1AD0

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:GQIURTXJarwhmvpo8Zz0cN+0Bruc7Gkfn6LCrqSf76WrjEZrOBH0zXMfH:Gskr76s0cVucdfn6LCrqQWAY91DM

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.6725

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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