regsvr.exe

The executable regsvr.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 ‘Msn Messsenger’. While running, it connects to the Internet address li963-234.members.linode.com on port 80 using the HTTP protocol.
MD5:
037d2fa963a2f55c76a018803810f2f8

SHA-1:
5ef29f0ef7efbf1983792ada2e59b7d435c0b380

SHA-256:
1340b6559f92a7addc5de98d3f5487f5682ce263d8f28d023b692af61f83bb2e

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/24/2024 11:53:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Tojan.Click (H)
17.3.12.15

File size:
1.3 MB (1,370,112 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United Kingdom)

Common path:
C:\users\{user}\appdata\roaming\regsvr.exe

File PE Metadata
Compilation timestamp:
7/22/2000 8:46:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0xBD867

Entry point:
76, 03, 80, E4, 9F, 57, 51, 0C, 38, 0F, AF, E8, 21, F3, C7, C5, 82, 83, A7, 0F, 69, DA, 75, D2, 03, 50, 69, F1, BB, 99, 47, EE, F2, 2D, E6, FB, FF, FF, 81, C9, 88, 2E, 18, 25, 87, EA, 2D, A1, 0A, 00, 00, 18, D9, 0F, BF, CA, 0F, AF, D8, 86, C6, 0F, BF, DB, 0F, AF, CB, C6, C2, 11, 69, E8, 25, 08, 4F, 0B, C6, C0, A5, 68, E4, F8, FF, FF, EB, 02, 88, DB, 5F, 72, 03, 0F, BE, F0, 81, C7, CD, 0D, 00, 00, 69, DD, ED, C0, 87, 32, 45, F3, 89, DE, F2, 89, C3, FE, CD, 81, EF, 96, 71, 00, 00, 0F, B6, D4, 34, 43, 81, C7...
 
[+]

Entropy:
6.8526

Code size:
404.5 KB (414,208 bytes)

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

Name:
Msn Messsenger

Command:
C:\users\{user}\appdata\roaming\regsvr.exe


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

TCP (HTTP):
Connects to www.internetdsl.pl  (217.97.216.17:80)

TCP (HTTP):
Connects to win05-host-kb.turkticaret.net  (31.186.8.105:80)

TCP (HTTP):
Connects to li963-234.members.linode.com  (45.33.9.234:80)

TCP (HTTP):
Connects to cluster010.ovh.net  (213.186.33.19:80)

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