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get_user_activity_info21.dll

Zhiming Yuan

The module get_user_activity_info21.dll by Zhiming Yuan 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 img.rafomedia.com.
Publisher:
Zhiming Yuan  (signed and verified)

MD5:
6dbfebab444474286f1dcd2cec77c8dd

SHA-1:
ed0ccdac22549d47d81dbb42f9eddf4bad0e2bc4

SHA-256:
5e5093ec3bf8f8ea8b1ef4dd33d445aa7779189e2be9bfe8853196bec956b1a6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/16/2024 12:53:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahabah (M)
16.9.21.18

File size:
409.9 KB (419,688 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\get_user_activity_info21.dll

Digital Signature
Signed by:
Zhiming Yuan

Authority:
thawte, Inc.

Valid from:
7/21/2016 2:00:00 AM

Valid to:
6/14/2017 1:59:59 AM

Subject:
CN=Zhiming Yuan, 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:
3F8FDAFCCB9370B0DABC27E7C3FEEF4E

File PE Metadata
Compilation timestamp:
7/21/2016 8:40:11 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
6144:IgHN/fY5e/pf4ODRXI3QuoT30GlFahBZ+/VHqmd+4JnhjIwl2P:NHNHYypf23BY30GlFSBZU5+Whnl+

Entry address:
0x2F41A

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 09, 05, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, B1, FE, FF, FF, 83, C4, 0C, 5D, C2, 0C, 00, FF, 25, D0, D2, 04, 10, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, BC, 01, 06, 10, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
303.5 KB (310,784 bytes)

The file get_user_activity_info21.dll has been seen being distributed by the following URL.

http://img.rafomedia.com/gour/.../get_user_activity_info21.dll

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