Analysis
- user interaction
yes - max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/10/2026, 19:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
zenx.exe
Resource
win10v2004-20260911-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
zenx.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target zenx.exe
- Size 1.1MB
- Sample261030-x2eems1wdv
- SHA256 0dd70473669d8539f0385619668e87033b50faff34b4bb7b58b1d9ad7e4d3aff
- MD5 6c0acb64a46121f2af215a903508ef25
- SHA1 5fe1da5039be34ce24be2f9b925d1b4ea9bb41f7
- SHA512 7e4d479f8d5502b7fe3061720a1ec95c4b4c43f3a4e04ade191adc14e1368ea1bd2c6050d502918bebd78a8f4db670781dd0be88d9b2a0921c13a9471ebce75e
- SSDEEP 24576:b4l3cOwfTxj/njqLsFG3XwNtk2Rc+T1Zad0:sl3r+xDjq4A3cjo0
- TLSH T1E4450A367FE8C99CC091A5F84A560CF3E2B47C0703399EDB87827CE6DA4519B563BA11
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdgeUpdate.exe zenx.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdgeUpdate.exe zenx.exe - Executes dropped EXE 1 IoCs
pid Process 4796 MicrosoftEdgeUpdate.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\EdgeUpdate\\MicrosoftEdgeUpdate.exe" zenx.exe - Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 1 discord.com 6 discord.com - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain zenx.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname zenx.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\zenx.exe"C:\Users\Admin\AppData\Local\Temp\zenx.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
PID:3180
-
C:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exeC:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe1⤵
- Executes dropped EXE
PID:4796
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
- Size 1.1MB
- SHA256 0dd70473669d8539f0385619668e87033b50faff34b4bb7b58b1d9ad7e4d3aff
- MD5 6c0acb64a46121f2af215a903508ef25
- SHA1 5fe1da5039be34ce24be2f9b925d1b4ea9bb41f7
- SHA512 7e4d479f8d5502b7fe3061720a1ec95c4b4c43f3a4e04ade191adc14e1368ea1bd2c6050d502918bebd78a8f4db670781dd0be88d9b2a0921c13a9471ebce75e
- SSDEEP 24576:b4l3cOwfTxj/njqLsFG3XwNtk2Rc+T1Zad0:sl3r+xDjq4A3cjo0
- TLSH T1E4450A367FE8C99CC091A5F84A560CF3E2B47C0703399EDB87827CE6DA4519B563BA11
- MD5 SHA1 SHA512 SSDEEP TLSH