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pdhcollectortsk.exe

Yupeng Zhang

The application pdhcollectortsk.exe 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. It runs as a scheduled task under the Windows Task Scheduler triggered daily at a specified time. While running, it connects to the Internet address server-54-240-186-141.mad50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yupeng Zhang  (signed and verified)

MD5:
3d66356615d97898985c7bb629b1d936

SHA-1:
85dad77bdecbccd841a770fdf6e88eec87aec959

SHA-256:
c63401004fd7ed46203c4f33491fe1b14bbb3c94a2308a510dbc683b3d9ffe48

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/19/2025 7:38:56 PM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
347.6 KB (355,992 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\pedahibety\pdhcollectortsk.exe

Digital Signature
Signed by:
Yupeng Zhang

Authority:
thawte, Inc.

Valid from:
6/22/2016 7:00:00 AM

Valid to:
2/4/2017 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:
615D07984B66092C7CF70AC7D7BE69AB

File PE Metadata
Compilation timestamp:
6/29/2016 11:28:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:QTZ8I7IKRq71rtrGF5CfdJAZXp661P6tW6L:QTZ8IVRq5rtrQCEZTx6tZL

Entry address:
0x22A36

Entry point:
E8, 5D, 57, 00, 00, E9, 7F, FE, FF, FF, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, C0, 32, 45, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, F8, 12, 45, 00, 01, 0F, 82, 7D, 5C, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3...
 
[+]

Entropy:
6.5411

Code size:
258.5 KB (264,704 bytes)

Scheduled Task
Task name:
Pedahibety Collector

Trigger:
Daily (Runs daily at 0:44)

Description:
Collect events from Pedahibety, log it for debug.


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

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

TCP (HTTP):
Connects to server-54-240-186-141.mad50.r.cloudfront.net  (54.240.186.141:80)

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