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lyi_my.exe

Yuanyuan Zhang

The application lyi_my.exe by Yuanyuan Zhang 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-54-192-123-9.dfw50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yuanyuan Zhang  (signed and verified)

MD5:
e8a23eac1949d727a5306ee3996160a1

SHA-1:
fc17136db3b998b6ff126469d7d782056b10fbe2

SHA-256:
569d8a6a36039329bc4d41c727f54019d952726918efce31bd58fefa8ac3f053

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/27/2024 10:55:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
17.2.2.9

File size:
415.1 KB (425,016 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
1/19/2017 4:00:00 PM

Valid to:
4/20/2017 4:59:59 PM

Subject:
CN=Yuanyuan Zhang, 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:
754814E2C007127BE053F991CE381DAB

File PE Metadata
Compilation timestamp:
1/18/2017 1:47:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x167E

Entry point:
E8, 46, 34, 00, 00, E9, EB, AE, 00, 00, 55, 8B, EC, 83, EC, 2C, A1, 00, 50, 46, 00, 33, C5, 89, 45, FC, 8B, 45, 08, 8D, 4D, D4, 53, 56, 8B, 75, 0C, 57, FF, 75, 10, 89, 45, EC, 8B, 45, 14, 89, 45, E4, E8, 82, 91, 00, 00, 8D, 45, D4, 33, FF, 50, 57, 57, 57, 57, 56, 8D, 45, E8, 50, 8D, 45, F0, 50, E8, F1, 6D, 00, 00, 8B, D8, 83, C4, 20, 8B, 45, E4, 85, C0, 74, 05, 8B, 4D, E8, 89, 08, FF, 75, EC, 8D, 45, F0, 50, E8, F4, 63, 00, 00, 59, 59, F6, C3, 03, 75, 0E, 83, F8, 01, 74, 13, 83, F8, 02, 75, 11, 6A, 04, EB...
 
[+]

Entropy:
7.7832  (probably packed)

Code size:
368 KB (376,832 bytes)

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

TCP (HTTP):
Connects to server-54-192-19-105.iad12.r.cloudfront.net  (54.192.19.105:80)

TCP (HTTP):
Connects to server-54-192-19-199.iad12.r.cloudfront.net  (54.192.19.199:80)

TCP (HTTP):
Connects to server-54-192-19-129.iad12.r.cloudfront.net  (54.192.19.129:80)

TCP (HTTP):
Connects to server-54-192-123-9.dfw50.r.cloudfront.net  (54.192.123.9:80)

TCP (HTTP):
Connects to server-54-192-123-171.dfw50.r.cloudfront.net  (54.192.123.171:80)

TCP (HTTP):
Connects to server-54-192-123-125.dfw50.r.cloudfront.net  (54.192.123.125:80)

TCP (HTTP):
Connects to server-54-192-123-106.dfw50.r.cloudfront.net  (54.192.123.106:80)

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