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Analysis
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max time kernel
153s -
max time network
169s -
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_xpart_back.ogg
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Size
194KB
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MD5
cf327bbd54e3e211e8e268f548bd3b26
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SHA1
3731fe3f8ee640bb11f32849fcbfb04ba6657c13
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SHA256
97024dc4c151d2e8558e00facb66d8e0ee180e168f1f4246d4f8164c56b0a878
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SHA512
30385a2ae088a6205ea0a171fff4af32e0d739a1fbc71df6e1d2f6f892958e37c66f764747adceb9eb12d4344fd699a385451d410d9111675fe91047c90e5ea6
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SSDEEP
3072:BEN0H9+ksNLk0UsYmLmFvYF9D2Z8qO/HljoGZsxdgzf9+qUDjrURke1ZDjLwIkw:BEN+MTLkjsvovWDA8d9jo1ylUReTjsIr
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_xpart_back.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_xpart_back.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 0x4a0 0x4081⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
444KB
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Filesize
68KB
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Filesize
2.7MB
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Filesize
92KB
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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
68KB
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Filesize
116KB
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Filesize
2.0MB
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Filesize
252KB
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Filesize
16.7MB
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Filesize
132KB
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Filesize
412KB
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Filesize
68KB
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Filesize
68KB
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Filesize
96KB
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Filesize
208KB
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Filesize
192KB
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Filesize
188KB
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Filesize
68KB
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Filesize
368KB
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Filesize
1.5MB
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Filesize
64KB
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Filesize
992KB
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Filesize
68KB
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Filesize
88KB
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Filesize
92KB
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Filesize
68KB
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Filesize
108KB
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Filesize
788KB
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Filesize
68KB
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Filesize
72KB
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Filesize
84KB
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Filesize
96KB
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Filesize
1.5MB
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Filesize
16.7MB
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Filesize
2.7MB
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Filesize
2.0MB