dd1.exe

GeoGebra 4.2

International GeoGebra Institute

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download1654.mediafire.com and multiple other hosts.
Publisher:
International GeoGebra Institute  (signed and verified)

Product:
GeoGebra 4.2

Description:
GeoGebra Installer

Version:
4.2.47.0

MD5:
71686cde16e0766de3a908439101ae47

SHA-1:
3c7d560728689dd9ab13138e6475f26515ed37a2

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
1/22/2018 11:28:31 PM UTC  (today)

File size:
28.3 MB (29,623,968 bytes)

Product version:
4.2.47.0

Copyright:
(C) 2001-2012 International GeoGebra Institute

Original file name:
GeoGebra_Installer_4-2-47-0.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\dd1.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
9/20/2012 10:16:29 AM

Valid to:
12/20/2015 9:16:29 AM

Subject:
E=office@geogebra.org, CN=International GeoGebra Institute, O=International GeoGebra Institute, C=AT

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11215525FB195AECE104D905414087F1155A

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):
786432:A8yXgcdsj+Jsvn1ZThcuwd7Pf2OlvuqR2I25R:A8yQosP1ZPwdTlvR2IwR

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:
7.9992

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file dd1.exe has been seen being distributed by the following 3 URLs.

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