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firefox.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.firefox.io.
MD5:
f6d09adb4fc6f86b006b355cdff08c98

SHA-1:
5a043e059d79c29faa0c1672018d9f6f95755aac

SHA-256:
f85880ed3c167b662ba32becc8444e2e77a894c5a1ce29e3defbdc9136dfb94c

Scanner detections:
3 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
11/27/2024 6:36:59 AM UTC  (today)

Scan engine
Detection
Engine version

Trend Micro House Call
TROJ_GEN.F47V0105
7.2.20

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.20.2

VIPRE Antivirus
No Threat: Solimba
15696

File size:
412.6 KB (422,497 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox.exe

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:KslgKSKsGMGDtU1FGlrzSyeOR98OeMJ/innCuazms7A49PLXyqR:LlMGkF2DeOv8rTCuaa89LJR

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:
7.9087

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.firefox.io/Firefox.exe

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