nasimphone.exe

Nasim Phone

7shanbe.blog.ir

This uses the software InstalleRex download manager which bundles a number of adware plugin and browser extensions and is distributed via TusFiles. The application nasimphone.exe, “Installer for Nasim Phone” has been detected as a potentially unwanted program 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 Tarma Installer installer, however the file is not signed with an authenticode signature from a trusted source.
Publisher:
7shanbe.blog.ir

Product:
Nasim Phone

Description:
Installer for Nasim Phone

Version:
4.5.1.133

MD5:
4a48ad89a14835ca0b3b55d82975c456

SHA-1:
55f6e0b1f819c6f6d7dfa1def1d5c4f9d62b7fae

SHA-256:
1cecfca01c28331a5ae39b04466b47784c775bca7b7632e1aae203c3207e311a

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
1/13/2025 3:55:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer (M)
16.8.3.10

File size:
2.2 MB (2,254,848 bytes)

Product version:
4.5.1.133

Copyright:
Copyright © 2015 7shanbe.blog.ir

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
Tarma Installer

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
5/22/2015 3:08:31 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
49152:txBBlc8pU+WONKNl2VEQhN1XO2SNLTZ4qXcLU5:PBclNv8hv0NfZ4YiU5

Entry address:
0x1495

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 68, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 64, 30, 40, 00, FF, 15, 60, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 5C, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 58, 30, 40, 00, 85, C0, 75, 41, FF, 15, 54, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A4, 32, 40, 00, E8, 4E, FB, FF, FF, 59, C7, 05, 08, 44, 40, 00, FD, 00, 00, 00...
 
[+]

Entropy:
7.9736

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

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