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winsaber.exe

Dening Hu

The application winsaber.exe by Dening Hu has been detected as a potentially unwanted program by 2 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “winsaber”. While running, it connects to the Internet address server-52-84-246-150.sfo20.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Dening Hu  (signed and verified)

MD5:
8cb3d87cea134361aa6f735c3e20cb47

SHA-1:
df465bf6976a4127ffe6eec656e71d099aa9557e

SHA-256:
45d0ac87da276d59219b4da44c6764a8e0141adc4ae9aa4b5c68f6fd9fe33e00

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 1:25:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
16.8.1.9

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

File size:
411.2 KB (421,080 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Dening Hu

Authority:
thawte, Inc.

Valid from:
6/27/2016 9:00:00 AM

Valid to:
6/9/2017 8:59:59 AM

Subject:
CN=Dening Hu, 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:
103042E2534359ABAC3B375E85A962BA

File PE Metadata
Compilation timestamp:
7/14/2016 2:21:39 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
6144:LLrOYnTbF3Q+odTYoEDOjh0Q0J9fQBzvaF5AOg+ZZFb0nAHYqH8A0l8qJYjt7n:LLHQ+iY2wfQtaQkZZFb0AHYqH8DIx7n

Entry address:
0x202C4

Entry point:
E8, D5, BD, 00, 00, E9, 7F, FE, FF, FF, E8, 0E, 3E, 00, 00, 85, C0, 75, 06, B8, 34, 36, 45, 00, C3, 83, C0, 0C, C3, 55, 8B, EC, 56, E8, E4, FF, FF, FF, 8B, 4D, 08, 51, 89, 08, E8, 20, 00, 00, 00, 59, 8B, F0, E8, 05, 00, 00, 00, 89, 30, 5E, 5D, C3, E8, DA, 3D, 00, 00, 85, C0, 75, 06, B8, 30, 36, 45, 00, C3, 83, C0, 08, C3, 55, 8B, EC, 8B, 4D, 08, 33, C0, 3B, 0C, C5, C8, 34, 45, 00, 74, 27, 40, 83, F8, 2D, 72, F1, 8D, 41, ED, 83, F8, 11, 77, 05, 6A, 0D, 58, 5D, C3, 8D, 81, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8...
 
[+]

Entropy:
5.9573

Code size:
258 KB (264,192 bytes)

3 Services
Display name:
winsaber

Type:
Win32OwnProcess

Display name:
Tsydm-winex-26077

Service name:
winsaber

Type:
Win32OwnProcess

Display name:
Tsydm-winex-23510

Service name:
winsaber

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to server-52-85-221-84.cdg50.r.cloudfront.net  (52.85.221.84:80)

TCP (HTTP):
Connects to server-52-85-221-110.cdg50.r.cloudfront.net  (52.85.221.110:80)

TCP (HTTP):
Connects to server-52-85-63-6.lhr50.r.cloudfront.net  (52.85.63.6:80)

TCP (HTTP):
Connects to server-54-230-216-214.mrs50.r.cloudfront.net  (54.230.216.214:80)

TCP (HTTP):
Connects to server-52-85-63-74.lhr50.r.cloudfront.net  (52.85.63.74:80)

TCP (HTTP):
Connects to server-54-192-14-35.ams1.r.cloudfront.net  (54.192.14.35:80)

TCP (HTTP):
Connects to server-52-85-133-153.iad53.r.cloudfront.net  (52.85.133.153:80)

TCP (HTTP):
Connects to server-54-239-132-48.sfo9.r.cloudfront.net  (54.239.132.48:80)

TCP (HTTP):
Connects to server-54-239-132-238.sfo9.r.cloudfront.net  (54.239.132.238:80)

TCP (HTTP):
Connects to server-54-239-132-232.sfo9.r.cloudfront.net  (54.239.132.232:80)

TCP (HTTP):
Connects to server-52-85-63-115.lhr50.r.cloudfront.net  (52.85.63.115:80)

TCP (HTTP):
Connects to server-52-84-246-226.sfo20.r.cloudfront.net  (52.84.246.226:80)

TCP (HTTP):
Connects to server-52-84-246-151.sfo20.r.cloudfront.net  (52.84.246.151:80)

TCP (HTTP):
Connects to server-54-239-132-50.sfo9.r.cloudfront.net  (54.239.132.50:80)

TCP (HTTP):
Connects to server-54-230-81-81.mia50.r.cloudfront.net  (54.230.81.81:80)

TCP (HTTP):
Connects to server-54-230-51-217.jfk5.r.cloudfront.net  (54.230.51.217:80)

TCP (HTTP):
Connects to server-54-230-51-18.jfk5.r.cloudfront.net  (54.230.51.18:80)

TCP (HTTP):
Connects to server-54-230-216-178.mrs50.r.cloudfront.net  (54.230.216.178:80)

TCP (HTTP):
Connects to server-54-230-122-60.dfw50.r.cloudfront.net  (54.230.122.60:80)

TCP (HTTP):
Connects to server-54-192-36-128.jfk1.r.cloudfront.net  (54.192.36.128:80)

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