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rtysystemtsk.exe

Yuanyuan Zhang

The application rtysystemtsk.exe by Yuanyuan 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-52-84-246-100.sfo20.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yuanyuan Zhang  (signed and verified)

MD5:
78a50ed8892485729dd72bb16942d401

SHA-1:
18661f24f5b157fcecf91a20af441e267b01afbb

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 12:47:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
16.8.20.22

File size:
327.7 KB (335,520 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\ruotygutght\rtysystemtsk.exe

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
5/26/2016 8:00:00 AM

Valid to:
4/21/2017 7:59:59 AM

Subject:
CN=Yuanyuan 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:
622FC0CB77EB19E5CCF78E2607D114CA

File PE Metadata
Compilation timestamp:
6/2/2016 12:40:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:lBcLXfnyYWwp/IoWQVHGzpK4vtcqVCWiJMZg9OhJeD529YX:lsvnZWu/JWQVHGzAUXCWs61e129YX

Entry address:
0x207C6

Entry point:
E8, CD, 53, 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, B0, E1, 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, 00, C3, 44, 00, 01, 0F, 82, ED, 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, 83, E2, 03, C1, E9, 02, 74, 06, F3...
 
[+]

Code size:
240 KB (245,760 bytes)

Scheduled Task
Task name:
Ruotygutght System

Path:
C:\WINDOWS\Tasks\Ruotygutght System.job

Trigger:
Daily (Runs daily at 0:06)


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

TCP (HTTP):
Connects to server-52-84-246-100.sfo20.r.cloudfront.net  (52.84.246.100:80)

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