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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 ‘f31b773e6a226416d289797a4aecfc41’. While running, it connects to the Internet address advancedsearch.virginmedia.com on port 5552.
MD5:
f688fe60dc9b11e8b475fc50ee409d01

SHA-1:
bbba2eb232581806bfba57cb48143f3fe58607fb

SHA-256:
51b999ccca714dea1bed0c184f05aa497629124f1fcac5333a90ecd743e6431a

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
4/27/2024 2:09:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Trojan.Server.Zusy (H)
17.2.15.20

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:
1/28/2017 9:20:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

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...
 
[+]

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:
f31b773e6a226416d289797a4aecfc41

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


The executing file has been seen to make the following network communication in live environments.

TCP:
Connects to advancedsearch.virginmedia.com  (81.200.64.50:5552)

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