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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-54-240-186-156.mad50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Tianjing Cheng  (signed and verified)

MD5:
9ce4ccacc8742ed1f589da384278659d

SHA-1:
f4235315bce94b5830a6e9d550ddd2f550bef9bd

SHA-256:
7536916330ec3439b5445a5206312cc536950ab6d34d5e7fffbde7f89354404b

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
7/7/2025 6:56:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
17.2.1.5

File size:
422.9 KB (433,088 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:
1/19/2017 10:00:00 PM

Valid to:
7/12/2017 8:59:59 PM

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:
1F96016D1BE852B49F3A66ACEAF146B0

File PE Metadata
Compilation timestamp:
1/19/2017 10:33:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x1CCE

Entry point:
E8, F0, 61, 00, 00, E9, D0, A8, 00, 00, 55, 8B, EC, 8B, 4D, 10, 8B, 45, 0C, 81, E1, FF, FF, F7, FF, 23, C1, 56, 8B, 75, 08, A9, E0, FC, F0, FC, 74, 24, 85, F6, 74, 0D, 6A, 00, 6A, 00, E8, 6B, 76, 00, 00, 59, 59, 89, 06, E8, DF, 8C, 00, 00, 6A, 16, 5E, 89, 30, E8, 67, 17, 00, 00, 8B, C6, EB, 1A, 51, FF, 75, 0C, 85, F6, 74, 09, E8, 47, 76, 00, 00, 89, 06, EB, 05, E8, 3E, 76, 00, 00, 59, 59, 33, C0, 5E, 5D, C3, 55, 8B, EC, 51, 51, 8B, 45, 08, 53, 8B, 5D, 0C, 56, 8B, 70, 0C, 8B, 48, 10, 89, 4D, F8, 89, 75, FC...
 
[+]

Code size:
374 KB (382,976 bytes)

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

TCP (HTTP):
Connects to server-54-240-186-205.mad50.r.cloudfront.net  (54.240.186.205:80)

TCP (HTTP):
Connects to server-54-240-186-19.mad50.r.cloudfront.net  (54.240.186.19:80)

TCP (HTTP):
Connects to server-54-240-186-156.mad50.r.cloudfront.net  (54.240.186.156:80)

TCP (HTTP):
Connects to server-54-240-186-151.mad50.r.cloudfront.net  (54.240.186.151:80)

TCP (HTTP):
Connects to server-54-240-186-117.mad50.r.cloudfront.net  (54.240.186.117:80)

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