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calerphndfthk.exe

Yupeng Zhang

The application calerphndfthk.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-54-230-59-142.gru1.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yupeng Zhang  (signed and verified)

MD5:
a75112fa8192afbdaa204a8099551b08

SHA-1:
13f3771d953a6206d924bd9b9f72a09d27a19794

SHA-256:
56f7d40100ed160522f937412ec24dcf8f899cd37950460df640cb98f9a8812f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/30/2024 8:22:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Zhang (M)
16.8.7.5

File size:
321 KB (328,728 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\vocosehersp\calerphndfthk.exe

Digital Signature
Signed by:
Yupeng Zhang

Authority:
thawte, Inc.

Valid from:
7/27/2016 5:00:00 PM

Valid to:
2/3/2017 3:59:59 PM

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:
69D53C516FBD22FD07236E4694987236

File PE Metadata
Compilation timestamp:
8/4/2016 9:26:41 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:Xyn5Zueq4wRkQu/uQZ3PVA7STEJLNcp4p3k:Xyn5ZuelwRkru8i7STWapE0

Entry address:
0x1E6ED

Entry point:
E8, 4B, 53, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 40, E2, 44, 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, 70, C4, 44, 00, 01, 0F, 82, 62, 58, 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...
 
[+]

Entropy:
6.5279

Code size:
240.5 KB (246,272 bytes)

Scheduled Task
Task name:
Calerph Nodifier

Trigger:
Daily (Runs daily at 12:43 AM)

Description:
Recv the info from Calerph, and nodify you when idle.


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

TCP (HTTP):
Connects to server-54-230-81-225.mia50.r.cloudfront.net  (54.230.81.225:80)

TCP (HTTP):
Connects to server-54-230-59-142.gru1.r.cloudfront.net  (54.230.59.142:80)

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