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server.exe

The executable server.exe has been detected as malware by 1 anti-virus scanner. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘c8de7a878ce93cf9ae817199a830e02f’. The file has been seen being downloaded from dc775.4shared.com.
MD5:
9be61fff31b69cb6e377f63e85bdf4de

SHA-1:
b4bb5effc43de44c98fb00dc99e88d4faaa0bd92

SHA-256:
ea776a789afc40e32523b4e37d7b67d3fbbc06973fae32603851a7229b233ebf

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
9/21/2024 4:45:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Trojan.Server.Zusy (H)
16.5.17.0

File size:
23.5 KB (24,064 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\server.exe

File PE Metadata
Compilation timestamp:
5/16/2016 6:24:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
384:0Gwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZWAsU:ETbC81NgRpcnulAh

Entry address:
0x747E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.5256

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
21.5 KB (22,016 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
c8de7a878ce93cf9ae817199a830e02f

Command:
"C:\users\{user}\appdata\local\temp\server.exe"..


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

http://dc775.4shared.com/download/.../---2016---_-_10.exe

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