Analysis
- max time kernel
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/09/2026, 16:38
General
- Target DELTARUNE/mus/mus_birdnoise.ogg
- Size 416KB
- Sample260912-t5t3qaef47
- SHA256 b91ea1eaa245a3a110ad5f1ecba120f35d36fc1859efce01ab95293693661e5a
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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 8 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DELTARUNE\mus\mus_birdnoise.ogg1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\DELTARUNE\mus\mus_birdnoise.ogg"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/560-0-0x00007FF9CEECD000-0x00007FF9CEECF000-memory.dmp
memory/560-1-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-3-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-2-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-4-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-6-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-5-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-7-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-10-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-9-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-8-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-11-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-13-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-14-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-12-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-15-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-16-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-17-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-22-0x00007FF7A33B0000-0x00007FF7A34A8000-memory.dmp
memory/560-24-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp
memory/560-25-0x00007FF9E5990000-0x00007FF9E59A1000-memory.dmp
memory/560-23-0x00007FF9E3CD0000-0x00007FF9E3D04000-memory.dmp
memory/560-27-0x00007FF9E1FA0000-0x00007FF9E1FC2000-memory.dmp
memory/560-28-0x00007FF9DFE80000-0x00007FF9DFEAB000-memory.dmp
memory/560-26-0x00007FF9E1FD0000-0x00007FF9E1FE9000-memory.dmp
memory/560-31-0x00007FF9DFE40000-0x00007FF9DFE51000-memory.dmp
memory/560-32-0x00007FF9DFD60000-0x00007FF9DFE32000-memory.dmp
memory/560-30-0x00007FF9DFE60000-0x00007FF9DFE74000-memory.dmp
memory/560-33-0x00007FF9CE5F0000-0x00007FF9CE886000-memory.dmp
memory/560-34-0x00007FF9DC520000-0x00007FF9DC608000-memory.dmp
memory/560-39-0x00007FF9DC7A0000-0x00007FF9DC7C6000-memory.dmp
memory/560-43-0x00007FF9DC500000-0x00007FF9DC511000-memory.dmp
memory/560-45-0x00007FF9DC460000-0x00007FF9DC4F8000-memory.dmp
memory/560-52-0x0000029DC5060000-0x0000029DC5072000-memory.dmp
memory/560-55-0x0000029DC71D0000-0x0000029DC71E2000-memory.dmp
memory/560-54-0x0000029DC71B0000-0x0000029DC71C4000-memory.dmp
memory/560-53-0x00007FF9C8750000-0x00007FF9C8995000-memory.dmp
memory/560-51-0x0000029DC5040000-0x0000029DC505A000-memory.dmp
memory/560-50-0x00007FF9DC120000-0x00007FF9DC132000-memory.dmp
memory/560-49-0x00007FF9DC310000-0x00007FF9DC32B000-memory.dmp
memory/560-48-0x00007FF9DBB60000-0x00007FF9DBC0B000-memory.dmp
memory/560-47-0x00007FF9DC330000-0x00007FF9DC355000-memory.dmp
memory/560-46-0x00007FF9DC360000-0x00007FF9DC3AF000-memory.dmp
memory/560-44-0x00007FF9CE3E0000-0x00007FF9CE5EB000-memory.dmp
memory/560-42-0x00007FF9DC730000-0x00007FF9DC741000-memory.dmp
memory/560-41-0x00007FF9DC750000-0x00007FF9DC76A000-memory.dmp
memory/560-40-0x00007FF9DC770000-0x00007FF9DC79D000-memory.dmp
memory/560-38-0x00007FF9DC850000-0x00007FF9DC868000-memory.dmp
memory/560-37-0x00007FF9DFCC0000-0x00007FF9DFCEF000-memory.dmp
memory/560-36-0x00007FF9DCF20000-0x00007FF9DCF61000-memory.dmp
memory/560-35-0x00007FF9DBFC0000-0x00007FF9DC0A3000-memory.dmp
memory/560-29-0x00007FF9CE890000-0x00007FF9CEC20000-memory.dmp
memory/560-92-0x00007FF9CEC20000-0x00007FF9CEED6000-memory.dmp