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cloudrun_net_abtest.dll

Yupeng Zhang

The module cloudrun_net_abtest.dll, “TODO: <File description>” by Yupeng Zhang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from ext.ghokswa.com.
Publisher:
Yupeng Zhang  (signed and verified)

Description:
TODO: <File description>

Version:
1.1.1.1

MD5:
4f91f2767ea26fad011d409f8f6673c3

SHA-1:
b8859f59b9e66827e068d01e0bd714df5b851305

SHA-256:
e66ea9416b9adddcf1a3413e9242f35eca26c0824712c832804b8748da045666

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/13/2025 8:06:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Zhang.YupengZh.Meta (M)
16.7.1.16

File size:
308.7 KB (316,120 bytes)

Product version:
47.10.2526.80

Copyright:
Copyright (C) 2015

Original file name:
cloud

File type:
Dynamic link library (Win32 DLL)

Language:
Chinese (Simplified, China)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\cloudrun_net_abtest.dll

Digital Signature
Signed by:
Yupeng Zhang

Authority:
thawte, Inc.

Valid from:
10/23/2015 7:00:00 AM

Valid to:
10/23/2016 6:59:59 AM

Subject:
CN=Yupeng Zhang, 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:
182977886EA709BC13B5E49D243C3907

File PE Metadata
Compilation timestamp:
1/16/2016 7:41:31 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:kZRz02ptSgu6lGRBe5W8MFkuL64Q+3Haz/FVDxYs5SwVrJPn6x:CRQ2ptfQC1b4QCK/FVDxz5bn6x

Entry address:
0x39721

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, E2, 0A, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 10, 68, 98, 7C, 04, 10, E8, F0, 08, 00, 00, 33, C0, 40, 8B, F0, 89, 75, E4, 33, DB, 89, 5D, FC, 8B, 7D, 0C, 89, 3D, F0, 91, 04, 10, 89, 45, FC, 85, FF, 75, 0C, 39, 3D, D8, 9C, 04, 10, 0F, 84, D4, 00, 00, 00, 3B, F8, 74, 05, 83, FF, 02, 75, 38, A1, FC, 51, 04, 10, 85, C0, 74, 0E, FF, 75, 10, 57, FF, 75, 08, FF, D0, 8B, F0, 89, 75, E4, 85, F6, 0F, 84, B1, 00, 00, 00...
 
[+]

Entropy:
6.6406

Developed / compiled with:
Microsoft Visual C++

Code size:
234 KB (239,616 bytes)

The file cloudrun_net_abtest.dll has been seen being distributed by the following URL.

http://ext.ghokswa.com/gour/.../CloudRun_net_ABtest.dll

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