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lyi_my.exe

Tianjing Cheng

The executable lyi_my.exe has been detected as malware by 1 anti-virus scanner. While running, it connects to the Internet address server-54-230-216-7.mrs50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Tianjing Cheng  (signed and verified)

MD5:
61901bec4d6feb5d4e45b5320d4e9450

SHA-1:
a6765019b3a4b5c17f2cf423ba9f06e45d2a00c7

SHA-256:
f4941b34085acc4e860d54811733c96aac9bafd62d12f5ea78fb711910b78f02

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/28/2024 3:04:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
17.2.3.8

File size:
411.3 KB (421,120 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Tianjing Cheng

Authority:
thawte, Inc.

Valid from:
1/21/2017 5:00:00 AM

Valid to:
7/13/2017 4:59:59 AM

Subject:
CN=Tianjing Cheng, 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:
2D9B7F221B6B58DF52AEF99AE9AA0FE9

File PE Metadata
Compilation timestamp:
1/19/2017 6:22:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x40F2

Entry point:
E8, 50, 12, 00, 00, E9, B0, 7D, 00, 00, 55, 8B, EC, 83, EC, 10, FF, 75, 08, 8D, 4D, F0, E8, 8F, 3D, 00, 00, FF, 75, 20, 8D, 45, F0, FF, 75, 1C, FF, 75, 18, FF, 75, 14, FF, 75, 10, FF, 75, 0C, 50, E8, 8D, 97, 00, 00, 83, C4, 1C, 80, 7D, FC, 00, 74, 07, 8B, 4D, F8, 83, 61, 70, FD, 8B, E5, 5D, C3, 55, 8B, EC, 83, EC, 2C, A1, 00, 40, 46, 00, 33, C5, 89, 45, FC, 8B, 45, 08, 8D, 4D, E4, 53, 57, 8B, 7D, 0C, 6A, 16, 5B, 53, 51, 8D, 4D, D4, 51, FF, 70, 04, FF, 30, E8, BA, 3D, 00, 00, 83, C4, 14, 85, FF, 75, 10, E8...
 
[+]

Entropy:
7.8207  (probably packed)

Code size:
367 KB (375,808 bytes)

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

TCP (HTTP):
Connects to server-54-230-216-58.mrs50.r.cloudfront.net  (54.230.216.58:80)

TCP (HTTP):
Connects to server-54-230-216-36.mrs50.r.cloudfront.net  (54.230.216.36:80)

TCP (HTTP):
Connects to server-54-230-216-81.mrs50.r.cloudfront.net  (54.230.216.81:80)

TCP (HTTP):
Connects to server-54-230-216-223.mrs50.r.cloudfront.net  (54.230.216.223:80)

TCP (HTTP):
Connects to server-54-230-216-122.mrs50.r.cloudfront.net  (54.230.216.122:80)

TCP (HTTP):
Connects to server-54-230-216-60.mrs50.r.cloudfront.net  (54.230.216.60:80)

TCP (HTTP):
Connects to server-54-230-216-170.mrs50.r.cloudfront.net  (54.230.216.170:80)

TCP (HTTP):
Connects to server-54-230-216-131.mrs50.r.cloudfront.net  (54.230.216.131:80)

TCP (HTTP):
Connects to server-54-230-216-99.mrs50.r.cloudfront.net  (54.230.216.99:80)

TCP (HTTP):
Connects to server-54-230-216-7.mrs50.r.cloudfront.net  (54.230.216.7:80)

TCP (HTTP):
Connects to server-54-230-216-48.mrs50.r.cloudfront.net  (54.230.216.48:80)

TCP (HTTP):
Connects to server-54-230-216-44.mrs50.r.cloudfront.net  (54.230.216.44:80)

TCP (HTTP):
Connects to server-54-230-216-40.mrs50.r.cloudfront.net  (54.230.216.40:80)

TCP (HTTP):
Connects to server-54-230-216-39.mrs50.r.cloudfront.net  (54.230.216.39:80)

TCP (HTTP):
Connects to server-54-230-216-33.mrs50.r.cloudfront.net  (54.230.216.33:80)

TCP (HTTP):
Connects to server-54-230-216-230.mrs50.r.cloudfront.net  (54.230.216.230:80)

TCP (HTTP):
Connects to server-54-230-216-227.mrs50.r.cloudfront.net  (54.230.216.227:80)

TCP (HTTP):
Connects to server-54-230-216-207.mrs50.r.cloudfront.net  (54.230.216.207:80)

TCP (HTTP):
Connects to server-54-230-216-206.mrs50.r.cloudfront.net  (54.230.216.206:80)

TCP (HTTP):
Connects to server-54-230-216-205.mrs50.r.cloudfront.net  (54.230.216.205:80)

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