Analysis
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max time kernel
150s -
max time network
166s -
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_yourbestfriend_3.ogg
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Size
385KB
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MD5
4db7618e3368b5e09706c6761994870e
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SHA1
4734a5de85eeda35aca2e40d6c01eb779c73450d
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SHA256
e5f09f660805d7c24838d1166e269691169a89c8c439b45b8299ec8f60a93f21
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SHA512
756b5a8dc2003c42936354c86153a14952007c4a1fc48b1827015f558475319020c7f522ad9d6477532d280e2c35b2a3b61ee2584656ef56388ee6c1fca0df1a
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SSDEEP
6144:nzpCviezy81+84hpbN4gyJJCTnD1ndslLe94RdMGQt9EGdWztOSMk9nWMto28p04:NCvD2hsgQJMok9NzW5JMkhWMto28pEYN
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_yourbestfriend_3.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_yourbestfriend_3.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 0x3fc 0x33c1⤵
- 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
92KB
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Filesize
68KB
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Filesize
116KB
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Filesize
68KB
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Filesize
92KB
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Filesize
68KB
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Filesize
96KB
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Filesize
2.0MB
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Filesize
252KB
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Filesize
132KB
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Filesize
68KB
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Filesize
96KB
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Filesize
16.7MB
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Filesize
68KB
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Filesize
108KB
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Filesize
68KB
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Filesize
412KB
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Filesize
68KB
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Filesize
444KB
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Filesize
192KB
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Filesize
96KB
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Filesize
368KB
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Filesize
68KB
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Filesize
188KB
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Filesize
788KB
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Filesize
88KB
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Filesize
68KB
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Filesize
72KB
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Filesize
84KB
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Filesize
68KB
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Filesize
64KB
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Filesize
92KB
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Filesize
1.5MB
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Filesize
1.5MB