Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/05/2026, 14:03
General
- Target _b55fecd4dbb0317af676d56cde33847084bf76190dd275164b160160a0d72147.js
- Size 14.5MB
- Sample260528-rc34tabs9t
- SHA256 b55fecd4dbb0317af676d56cde33847084bf76190dd275164b160160a0d72147
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 1 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\_b55fecd4dbb0317af676d56cde33847084bf76190dd275164b160160a0d72147.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "PhotoStudioJS" /xml "C:\Users\Admin\AppData\Local\Temp\Task_31746.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Task_31746.xml