Analysis
- max time kernel
150s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/07/2026, 14:55
General
- Target Undertale/Undertale.exe
- Size 3.9MB
- Sample260722-samvgstvbv
- SHA256 c8c4191026bf5587a6fad120855b8b82ffb4fa0c3eaf10515be472ad84248e58
Malware Config
Signatures
- Drops desktop.ini file(s) 1 IoCs
- Network Service Discovery 1 TTPs 1 IoCs
Attempt to gather information on host's network.
- System Location Discovery: System Language Discovery 1 TTPs 1 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 behavior: EnumeratesProcesses 30 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Undertale\Undertale.exe"C:\Users\Admin\AppData\Local\Temp\Undertale\Undertale.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
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
desktop.ini
memory/2828-8-0x00000000072C0000-0x0000000007376000-memory.dmp
memory/2828-31-0x0000000073C00000-0x0000000073C4C000-memory.dmp
memory/2828-5-0x0000000077172000-0x0000000077173000-memory.dmp
memory/2828-6-0x0000000077172000-0x0000000077173000-memory.dmp
memory/2828-7-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
memory/2828-0-0x0000000073C00000-0x0000000073C4C000-memory.dmp
memory/2828-1-0x00000000739D0000-0x0000000073A86000-memory.dmp
memory/2828-4-0x0000000077172000-0x0000000077173000-memory.dmp
memory/2828-32-0x00000000739D0000-0x0000000073A86000-memory.dmp
memory/2828-33-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
memory/2828-36-0x00000000072C0000-0x0000000007376000-memory.dmp
memory/2828-35-0x00000000739D0000-0x0000000073A86000-memory.dmp
memory/2828-40-0x00000000739D0000-0x0000000073A86000-memory.dmp
memory/2828-52-0x00000000739D0000-0x0000000073A86000-memory.dmp