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offer.exe

The application offer.exe 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 NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from cdn.backupcdn.com.
MD5:
91685afcefbf43e2c8b9532051d9b331

SHA-1:
475b7273a1960a6027ec070e8ce9696d572d5d9d

SHA-256:
4c99d16bf3175d92f65452375fb6e50e19b8bb40f0b61ef5b657aa1731d06ab3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/20/2024 10:44:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Bundled.Offer.Meta (M)
16.1.18.9

File size:
141.4 KB (144,829 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\ProgramData\appmanager\appmanager\off\offer.exe

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:AQIURTXJ4i45Jhzyw7oRZQNt9VrqyT50HSZx27bu0ui+Yg7b:AsGi6heJZat9VrqyT50y6+0hAb

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:
7.6874

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://cdn.backupcdn.com/partner_setup.exe

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