downloader_ie8.exe

Fengxia Cao

The application downloader_ie8.exe by Fengxia Cao has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address server-54-192-36-185.jfk1.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Fengxia Cao  (signed and verified)

Description:
Net tool

Version:
8.0.7600.16385

MD5:
b423d2a619a3172ed3f63984c24fb915

SHA-1:
47fa7baa6adefcac0217203ff0244f187428831f

SHA-256:
8e8a1eb0929c8d1a02c588843021936d5d22b9cc1ff22531b16e8c21a9b3fa00

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 10:30:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.FC (M)
17.3.14.8

File size:
1.8 MB (1,851,576 bytes)

Product version:
8.0.7600.16385

Original file name:
Net

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\windows\temp\{random}.tmp\downloader_ie8.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
1/10/2017 7:00:00 AM

Valid to:
10/14/2017 6:59:59 AM

Subject:
CN=Fengxia Cao, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3B6536249C7E938DA013110B8048B326

File PE Metadata
Compilation timestamp:
3/14/2017 12:57:12 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x25E8F

Entry point:
E8, 8E, BB, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 8D, 45, 14, 50, 6A, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 79, F6, FF, FF, 83, C4, 14, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 44, 24, 0C, 53, 85, C0, 74, 52, 8B, 54, 24, 08, 33, DB, 8A, 5C, 24, 0C, F7, C2, 03, 00, 00, 00, 74, 16, 8A, 0A, 83, C2, 01, 32, CB, 74, 72, 83, E8, 01, 74, 32, F7, C2, 03, 00, 00, 00, 75, EA, 83, E8, 04, 72, 12, 57, 8B, FB, C1, E3, 08, 03, DF, 8B, FB, C1, E3, 10, 03, DF, EB, 1B, 5F, 83, C0, 04, 74, 0E, 8A, 0A...
 
[+]

Entropy:
6.4688

Code size:
1.2 MB (1,260,032 bytes)

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

TCP (HTTP):
Connects to server-54-192-36-185.jfk1.r.cloudfront.net  (54.192.36.185:80)

TCP (HTTP):
Connects to server-54-192-25-249.mxp4.r.cloudfront.net  (54.192.25.249:80)

TCP (HTTP):
Connects to server-54-230-141-149.sfo5.r.cloudfront.net  (54.230.141.149:80)

TCP (HTTP):
Connects to server-54-230-51-7.jfk5.r.cloudfront.net  (54.230.51.7:80)

TCP (HTTP):
Connects to server-54-192-203-108.fra50.r.cloudfront.net  (54.192.203.108:80)

TCP (HTTP):
Connects to server-52-84-246-215.sfo20.r.cloudfront.net  (52.84.246.215:80)

TCP (HTTP):
Connects to server-52-84-246-237.sfo20.r.cloudfront.net  (52.84.246.237:80)

TCP (HTTP):
Connects to server-54-239-132-22.sfo9.r.cloudfront.net  (54.239.132.22:80)

TCP (HTTP):
Connects to server-54-239-132-104.sfo9.r.cloudfront.net  (54.239.132.104:80)

TCP (HTTP):
Connects to server-54-230-81-241.mia50.r.cloudfront.net  (54.230.81.241:80)

TCP (HTTP):
Connects to server-54-230-81-23.mia50.r.cloudfront.net  (54.230.81.23:80)

TCP (HTTP):
Connects to server-54-230-51-179.jfk5.r.cloudfront.net  (54.230.51.179:80)

TCP (HTTP):
Connects to server-54-230-163-24.jax1.r.cloudfront.net  (54.230.163.24:80)

TCP (HTTP):
Connects to server-54-192-25-95.mxp4.r.cloudfront.net  (54.192.25.95:80)

TCP (HTTP):
Connects to server-52-85-83-31.lax1.r.cloudfront.net  (52.85.83.31:80)

TCP (HTTP):
Connects to server-52-85-83-237.lax1.r.cloudfront.net  (52.85.83.237:80)

TCP (HTTP):
Connects to server-52-85-173-248.fra6.r.cloudfront.net  (52.85.173.248:80)

TCP (HTTP):
Connects to server-52-85-173-152.fra6.r.cloudfront.net  (52.85.173.152:80)

TCP (HTTP):
Connects to server-52-85-133-89.iad53.r.cloudfront.net  (52.85.133.89:80)

TCP (HTTP):
Connects to server-52-85-133-192.iad53.r.cloudfront.net  (52.85.133.192:80)

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