Analysis
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max time kernel
150s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
18-03-2023 00:24
General
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Target
Undertale/mus_undynetruetheme.ogg
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Size
935KB
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MD5
a406b15d0e513ab4cfa25177dae99561
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SHA1
b806ae43e0d3e1e94eb074217dc0c7d32fa4ab33
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SHA256
795cafff0fd78abc5bc55ca5e556f8839d20daddf1a4023e3183f70c3329ff4f
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SHA512
6e5039b053aa67b51e48f1ac026a815909f0942def7b22d7a1549a518f70fc40b317075e6a6ba8c096082542d4a0caf738bcd6514c7c59961713c2643c35ecad
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SSDEEP
24576:jB1IsB8JDJ7NkfiuNY6iUTwSvzaKY5mUoWO4DKQhN:j0sBqN7Eq0MSWKY5mUoWOgKON
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of FindShellTrayWindow 8 IoCs
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Suspicious use of SendNotifyMessage 7 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Undertale\mus_undynetruetheme.ogg1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Undertale\mus_undynetruetheme.ogg"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2f8 0x5081⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
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Downloads
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Filesize
992KB
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Filesize
208KB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
92KB
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Filesize
96KB
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Filesize
68KB
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Filesize
92KB
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Filesize
116KB
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Filesize
68KB
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Filesize
68KB
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Filesize
2.0MB
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Filesize
16.7MB
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Filesize
252KB
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Filesize
132KB
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Filesize
96KB
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Filesize
68KB
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Filesize
68KB
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Filesize
68KB
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Filesize
108KB
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Filesize
68KB
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Filesize
96KB
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Filesize
192KB
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Filesize
412KB
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Filesize
2.7MB
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Filesize
16.7MB
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Filesize
444KB
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Filesize
368KB
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Filesize
344KB
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Filesize
160KB
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Filesize
92KB
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Filesize
68KB
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Filesize
72KB
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Filesize
1.2MB
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Filesize
176KB
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Filesize
76KB
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Filesize
132KB
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Filesize
72KB
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Filesize
140KB
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Filesize
144KB
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Filesize
68KB