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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-54-230-5-182.dfw3.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Tianjing Cheng  (signed and verified)

MD5:
48c058381ed1067f40b429da20b36271

SHA-1:
b7fb50bd3c10e5d7c188b9adf2313cd473b142dd

SHA-256:
115f897a68ec8593796037192ef9d913c6a2ae5987ba0c30249d3dcd12c65edb

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/28/2024 3:13:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
17.2.3.5

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:
1/20/2017 4:00:00 PM

Valid to:
7/12/2017 4:59:59 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:
2D9B7F221B6B58DF52AEF99AE9AA0FE9

File PE Metadata
Compilation timestamp:
1/19/2017 5:22:15 AM

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-54-230-141-182.sfo5.r.cloudfront.net  (54.230.141.182:80)

TCP (HTTP):
Connects to server-52-85-77-234.lax3.r.cloudfront.net  (52.85.77.234:80)

TCP (HTTP):
Connects to server-54-230-5-55.dfw3.r.cloudfront.net  (54.230.5.55:80)

TCP (HTTP):
Connects to server-52-85-77-63.lax3.r.cloudfront.net  (52.85.77.63:80)

TCP (HTTP):
Connects to server-52-85-77-215.lax3.r.cloudfront.net  (52.85.77.215:80)

TCP (HTTP):
Connects to server-52-85-77-178.lax3.r.cloudfront.net  (52.85.77.178:80)

TCP (HTTP):
Connects to server-52-85-77-169.lax3.r.cloudfront.net  (52.85.77.169:80)

TCP (HTTP):
Connects to server-52-84-246-128.sfo20.r.cloudfront.net  (52.84.246.128:80)

TCP (HTTP):
Connects to server-52-85-83-77.lax1.r.cloudfront.net  (52.85.83.77:80)

TCP (HTTP):
Connects to server-54-230-5-244.dfw3.r.cloudfront.net  (54.230.5.244:80)

TCP (HTTP):
Connects to server-54-230-5-182.dfw3.r.cloudfront.net  (54.230.5.182:80)

TCP (HTTP):
Connects to server-52-85-83-30.lax1.r.cloudfront.net  (52.85.83.30:80)

TCP (HTTP):
Connects to server-52-85-83-240.lax1.r.cloudfront.net  (52.85.83.240:80)

TCP (HTTP):
Connects to server-52-85-83-213.lax1.r.cloudfront.net  (52.85.83.213:80)

TCP (HTTP):
Connects to server-52-85-77-31.lax3.r.cloudfront.net  (52.85.77.31:80)

TCP (HTTP):
Connects to server-52-85-77-231.lax3.r.cloudfront.net  (52.85.77.231:80)

TCP (HTTP):
Connects to server-52-85-77-214.lax3.r.cloudfront.net  (52.85.77.214:80)

TCP (HTTP):
Connects to server-52-85-77-196.lax3.r.cloudfront.net  (52.85.77.196:80)

TCP (HTTP):
Connects to server-52-85-77-195.lax3.r.cloudfront.net  (52.85.77.195:80)

TCP (HTTP):
Connects to server-52-85-77-193.lax3.r.cloudfront.net  (52.85.77.193:80)

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