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runbab.exe

The application runbab.exe has been detected as a potentially unwanted program by 6 anti-malware 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. This will display context specific advertisements in the browser as well as attempt to modify the browser's search provider. While running, it connects to the Internet address static.5-9-51-208.clients.your-server.de on port 80 using the HTTP protocol.
MD5:
5dfccf9dd187de3a3cf3bc81bfbe845d

SHA-1:
1bfe430d67f95305bb7f0c5c30c7fd0a951d43ec

SHA-256:
c8db84b0eccbdd90ce09c6f81aac130bf7d8c7488a2ca040070c3a60917032f6

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
The installer may include an offer for the Babylon Toolbar (a homepage/search hijacker), which is potentially installed with minimal user consent.

Analysis date:
4/24/2024 10:12:44 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Toolbar.Babylon
7.1.1

AVG
Adware Toolbar.QH
2015.0.4355

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/Toolbar.Babylon.A potentially unwanted application
7.0.302.0

IKARUS anti.virus
Toolbar.Win32.Babylon
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.Babylon.A
v2015.08.09.09

File size:
1 MB (1,065,329 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\babylon1\runbab.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:XxHARQvxocvqZjGUk7x90udAo7piv2cezMweDaWs:0hcBp9XcOlYDaWs

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

TCP (HTTP):
Connects to static.5-9-51-208.clients.your-server.de  (5.9.51.208:80)

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