Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
04/11/2026, 19:27
General
- Target GoogleOneOfferRunner/popup/popup.css
- Size 6KB
- Sample261104-x52pcaee63
- SHA256 59dbd368642b36cead5ca0fb8c1adb21a44df41108d8db9e2667b8635aaba4c5
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Modifies registry class 1 IoCs
- Opens file in notepad (likely ransom note) 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\GoogleOneOfferRunner\popup\popup.css1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\GoogleOneOfferRunner\popup\popup.css2⤵
- Opens file in notepad (likely ransom note)
-