bcn_my.exe

Beijing Caiyunshidai Technology Co., Ltd.

The application bcn_my.exe by Beijing Caiyunshidai Technology Co. 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-52-85-77-117.lax3.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:

MD5:
a9eaf155b7b74d1f13f5bb36656dee95

SHA-1:
8edc28900dc9b2e682731cfdbf0713361977470c

SHA-256:
04817814af9e12286fd0438a75d9d6c211f76b41cd008c9ca5f7600fc92d8edd

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/17/2024 1:28:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch (M)
17.2.11.10

File size:
407.6 KB (417,344 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
1/23/2017 1:00:00 AM

Valid to:
3/4/2017 12:59:59 AM

Subject:
CN="Beijing Caiyunshidai Technology Co., Ltd.", O="Beijing Caiyunshidai Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
011AE675B36A4BE7F940903CF54E8522

File PE Metadata
Compilation timestamp:
2/9/2017 11:50:34 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x4B61

Entry point:
E8, 59, 52, 00, 00, E9, 6B, 7E, 00, 00, 55, 8B, EC, 83, 7D, 08, 00, 75, 15, E8, 9A, 16, 00, 00, C7, 00, 16, 00, 00, 00, E8, 74, 2D, 00, 00, 83, C8, FF, 5D, C3, FF, 75, 08, 6A, 00, FF, 35, F4, 56, 46, 00, FF, 15, B4, D0, 45, 00, 5D, C3, 55, 8B, EC, A1, 84, 91, 46, 00, 33, 05, 00, 40, 46, 00, FF, 75, 08, 74, 04, FF, D0, 5D, C3, FF, 15, E0, D0, 45, 00, 5D, C3, 55, 8B, EC, 56, 8B, F1, C7, 06, B8, E0, 45, 00, E8, 4F, CA, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, 44, 50, 00, 00, 59, 8B, C6, 5E, 5D, C2, 04, 00, 55...
 
[+]

Entropy:
7.8060  (probably packed)

Code size:
366.5 KB (375,296 bytes)

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

TCP (HTTP):
Connects to server-52-85-77-117.lax3.r.cloudfront.net  (52.85.77.117:80)

TCP (HTTP):
Connects to server-52-85-77-241.lax3.r.cloudfront.net  (52.85.77.241:80)

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