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lyi_my.exe

Ding Ruan

The application lyi_my.exe by Ding Ruan 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-54-230-141-125.sfo5.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
49eb2e3668f62bf0e1365f808ceb8815

SHA-1:
54b076c99339f05bfd352680a3a3b61526610090

SHA-256:
17366d6b512ba3219a2e99d19b1a3258575f30d1da35a3576488d9e3fb335178

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/17/2024 5:06:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
17.1.25.18

File size:
416.9 KB (426,920 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
1/17/2017 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, 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:
703FDC6C80FE51EE4915A03C4CA4B752

File PE Metadata
Compilation timestamp:
1/18/2017 3:04:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x52F7

Entry point:
E8, D3, C1, FF, FF, E9, 05, 94, 00, 00, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, EC, 04, 00, 00, C7, 06, CC, E1, 45, 00, 8B, C6, 5E, 5D, C2, 04, 00, 55, 8B, EC, 8B, 45, 08, C7, 01, 6C, F0, 45, 00, 8B, 00, 89, 41, 04, 8B, C1, C6, 41, 08, 00, 5D, C2, 08, 00, 6A, 01, E8, 5A, BE, 00, 00, 59, C3, 55, 8B, EC, 51, FF, 75, 0C, 83, 65, FC, 00, E8, E0, 42, 00, 00, 59, 85, C0, 75, 05, B8, 48, E2, 45, 00, 8B, 4D, 08, 50, E8, 9A, 2C, 00, 00, 8B, 45, 08, 8B, E5, 5D, C2, 08, 00, 55, 8B, EC, FF, 35, FC, 6C, 46, 00, FF, 15...
 
[+]

Entropy:
7.8067  (probably packed)

Code size:
371.5 KB (380,416 bytes)

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

TCP (HTTP):
Connects to server-54-230-141-64.sfo5.r.cloudfront.net  (54.230.141.64:80)

TCP (HTTP):
Connects to server-54-230-141-59.sfo5.r.cloudfront.net  (54.230.141.59:80)

TCP (HTTP):
Connects to server-54-230-141-125.sfo5.r.cloudfront.net  (54.230.141.125:80)

TCP (HTTP):
Connects to server-54-230-141-90.sfo5.r.cloudfront.net  (54.230.141.90:80)

TCP (HTTP):
Connects to server-54-230-141-150.sfo5.r.cloudfront.net  (54.230.141.150:80)

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