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winhost32.exe

The executable winhost32.exe has been detected as malware by 1 anti-virus scanner. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘WinHost32’.
MD5:
dfc4c1693b537d7f1bb3f44db3b337ad

SHA-1:
55c50d28bfb69cfecb888998a9c0531d7a17dfca

SHA-256:
1c4bcf61f02bb185f02fe992f72ea03bf889fd78630eef603aad84c8f9869651

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/25/2024 4:08:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Trojan.Proxy
17.2.2.14

File size:
100 KB (102,400 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Windows\System32\winhost32.exe

File PE Metadata
Compilation timestamp:
8/29/2003 11:01:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x56AD

Entry point:
E8, 84, 16, 00, 00, E9, 16, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 38, D3, 41, 00, 89, 0D, 34, D3, 41, 00, 89, 15, 30, D3, 41, 00, 89, 1D, 2C, D3, 41, 00, 89, 35, 28, D3, 41, 00, 89, 3D, 24, D3, 41, 00, 66, 8C, 15, 50, D3, 41, 00, 66, 8C, 0D, 44, D3, 41, 00, 66, 8C, 1D, 20, D3, 41, 00, 66, 8C, 05, 1C, D3, 41, 00, 66, 8C, 25, 18, D3, 41, 00, 66, 8C, 2D, 14, D3, 41, 00, 9C, 8F, 05, 48, D3, 41, 00, 8B, 45, 00, A3, 3C, D3, 41, 00, 8B, 45, 04, A3, 40, D3, 41, 00, 8D, 45, 08, A3, 4C, D3, 41, 00, 8B...
 
[+]

Entropy:
6.0344

Code size:
48 KB (49,152 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
WinHost32

Command:
C:\Windows\System32\winhost32.exe


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

TCP (HTTP):
Connects to ec2-54-243-91-166.compute-1.amazonaws.com  (54.243.91.166:80)

TCP (HTTP):
Connects to ec2-54-235-212-238.compute-1.amazonaws.com  (54.235.212.238:80)

TCP (HTTP):
Connects to ec2-54-243-154-49.compute-1.amazonaws.com  (54.243.154.49:80)

TCP (HTTP):
Connects to ec2-23-21-77-86.compute-1.amazonaws.com  (23.21.77.86:80)

TCP (HTTP):
Connects to ec2-23-23-128-123.compute-1.amazonaws.com  (23.23.128.123:80)

TCP (HTTP):
Connects to ec2-107-21-249-214.compute-1.amazonaws.com  (107.21.249.214:80)

TCP (HTTP):
Connects to ec2-54-221-218-81.compute-1.amazonaws.com  (54.221.218.81:80)

TCP (HTTP):
Connects to ec2-54-225-223-184.compute-1.amazonaws.com  (54.225.223.184:80)

TCP (HTTP):
Connects to ec2-54-197-251-207.compute-1.amazonaws.com  (54.197.251.207:80)

TCP (HTTP):
Connects to ec2-23-23-117-228.compute-1.amazonaws.com  (23.23.117.228:80)

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