Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
23/07/2026, 12:10
General
- Target osu!.exe
- Size 4.8MB
- Sample260723-pb95maag33
- SHA256 07f4a8d60a019a974fd948c4f2fad22f7e076c30d09bbc2670b7ade346986b54
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- Drops desktop.ini file(s) 1 IoCs
- Network Service Discovery 1 TTPs 1 IoCs
Attempt to gather information on host's network.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\osu!.exe"C:\Users\Admin\AppData\Local\Temp\osu!.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\osu!\osu!.exe"C:\Users\Admin\AppData\Local\osu!\osu!.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\osu!\osu!.exe"C:\Users\Admin\AppData\Local\osu!\osu!.exe" -repair3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\System32\GameBarPresenceWriter.exe"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer1⤵
- Network Service Discovery
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
update.log
update.log
update.log
update.log
update.log
update.log
update.log
update.log
Microsoft.Ink.dll
OpenTK.dll
akatsuki-pp.dll
avcodec-51.dll
avformat-52.dll
avutil-49.dll
bass.dll
bass_fx.dll
d3dcompiler_47.dll
libEGL.dll
libGLESv2.dll
osu!.cfg
osu!.exe
osu!gameplay.dll
osu.dll
pthreadGC2.dll
desktop.ini
memory/5204-245-0x000000000D790000-0x000000000DBB0000-memory.dmp
memory/5204-43-0x000000000ADD0000-0x000000000B12B000-memory.dmp
memory/5204-42-0x00000000058B0000-0x00000000058D2000-memory.dmp
memory/5204-240-0x000000000C9B0000-0x000000000CA06000-memory.dmp
memory/6012-33-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/6012-22-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/6012-21-0x0000000075052000-0x0000000075053000-memory.dmp
memory/6012-23-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/6012-6-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/6012-5-0x0000000006A20000-0x0000000006A2A000-memory.dmp
memory/6012-0-0x0000000075052000-0x0000000075053000-memory.dmp
memory/6012-4-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/6012-3-0x0000000005E30000-0x0000000005EC2000-memory.dmp
memory/6012-2-0x0000000006350000-0x000000000690A000-memory.dmp
memory/6012-1-0x0000000000E80000-0x000000000135A000-memory.dmp