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silent.exe

The executable silent.exe has been detected as malware by 6 anti-virus scanners. 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 vzbucket.appscion.com a web site host known to distribute potentially unwanted software operated by SIEN S.A..
MD5:
22f0098c5d1479f3b7cd2742ddd25c77

SHA-1:
34748f5c41649bdbfb562e6ab2e7d83ebbbb233e

SHA-256:
7663c83d3383dac8dbc7f087a551a252fa0d579b7a52082b48f5800437a8ae22

Scanner detections:
6 / 68

Status:
Malware

Analysis date:
5/1/2024 9:51:33 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160518-2

Dr.Web
Trojan.StartPage.58515
9.0.1.05190

Emsisoft Anti-Malware
Application.StartPage
11.5.0.6191

ESET NOD32
NSIS/StartPage.CB trojan
8.0.319.0

Kaspersky
Trojan.Win32.Pasta
15.0.0.562

McAfee
Trojan.Artemis!22F0098C5D14
18.0.204.0

File size:
850.5 KB (870,890 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}\silent.exe

File PE Metadata
Compilation timestamp:
7/14/2013 10:09:51 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:6fxPaOZ+RTTlO8+sC0moKMxT8Rrl853PS0ikk9:yxig688+sC0BPxKrl4S0k9

Entry address:
0x310B

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, EC, 42, 00, E8, 73, 2D, 00, 00, A3, A4, EB, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 8F, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, E3, 42, 00, E8, 1D, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 0B, 2A...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://vzbucket.appscion.com/.../silent.exe

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