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skype_7.33.exe

Behec

Sivensys SRL

The executable skype_7.33.exe, “Behec Setup ” has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the Inno Setup installer. While running, it connects to the Internet address generic.external.zlb.scl3.mozilla.com on port 443.
Publisher:
Sivensys SRL  (signed and verified)

Product:
Behec

Description:
Behec Setup

Version:
4.6.1.3

MD5:
381f12af8741fcaae6e80321de6f2741

SHA-1:
33e8dcb2b0ae1cdc6a183f2746c01070dd2941e3

SHA-256:
904c696b5eed5671828d7624054678ce476fde93984deec91bda635343f2e8a7

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
7/4/2025 7:19:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.1.12

File size:
1.3 MB (1,323,144 bytes)

Product version:
3.0

Copyright:
Software Stub

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\programs\skype_7.33.exe

Digital Signature
Signed by:
Sivensys SRL

Authority:
GlobalSign nv-sa

Valid from:
10/20/2016 12:04:57 PM

Valid to:
10/21/2017 12:04:57 PM

Subject:
CN=Sivensys SRL, O=Sivensys SRL, L=IASI, C=RO

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G3, O=GlobalSign nv-sa, C=BE

Serial number:
0D38E905F0B0BA5733036DFB

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9861

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

TCP (HTTP):
Connects to ec2-54-154-229-88.eu-west-1.compute.amazonaws.com  (54.154.229.88:80)

TCP (HTTP):
Connects to ec2-54-154-109-8.eu-west-1.compute.amazonaws.com  (54.154.109.8:80)

TCP (HTTP):
Connects to ec2-52-50-196-247.eu-west-1.compute.amazonaws.com  (52.50.196.247:80)

TCP (HTTP SSL):
Connects to generic.external.zlb.scl3.mozilla.com  (63.245.213.12:443)

TCP (HTTP):
Connects to ec2-176-34-130-130.eu-west-1.compute.amazonaws.com  (176.34.130.130:80)

TCP (HTTP):
Connects to ec2-52-30-226-196.eu-west-1.compute.amazonaws.com  (52.30.226.196:80)

TCP (HTTP):
Connects to ec2-52-214-247-42.eu-west-1.compute.amazonaws.com  (52.214.247.42:80)

TCP (HTTP):
Connects to ec2-54-154-190-87.eu-west-1.compute.amazonaws.com  (54.154.190.87:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.17.96:80)

TCP (HTTP):
Connects to ec2-52-39-235-174.us-west-2.compute.amazonaws.com  (52.39.235.174:80)

TCP (HTTP):
Connects to 10gbps.io  (185.59.222.146:80)

TCP (HTTP):
Connects to ec2-52-49-170-39.eu-west-1.compute.amazonaws.com  (52.49.170.39:80)

TCP (HTTP):
Connects to hosted-by.leaseweb.com  (199.58.87.151:80)

TCP (HTTP):
Connects to ec2-52-206-2-43.compute-1.amazonaws.com  (52.206.2.43:80)

TCP (HTTP):
Connects to ec2-52-30-150-214.eu-west-1.compute.amazonaws.com  (52.30.150.214:80)

TCP (HTTP):
Connects to ec2-34-198-225-71.compute-1.amazonaws.com  (34.198.225.71:80)

TCP (HTTP):
Connects to ec2-54-186-47-57.us-west-2.compute.amazonaws.com  (54.186.47.57:80)

TCP (HTTP):
Connects to ec2-52-208-40-227.eu-west-1.compute.amazonaws.com  (52.208.40.227:80)

TCP (HTTP):
Connects to 50.115.122.45.static.westdc.net  (50.115.122.45:80)

TCP (HTTP):
Connects to server-54-230-95-133.fra2.r.cloudfront.net  (54.230.95.133:80)

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