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Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
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submitted
18/03/2023, 00:24
General
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Target
Undertale/mus_waterfall.ogg
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Size
1.4MB
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MD5
76da9c33fa66ec7fe8a1d13d1a43362a
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SHA1
3a663ae11ca1a9b26495768f6bb2b6abda2c1fd4
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SHA256
3739def3b6bad87ec2215407627ad0464568a46015945bbf6fe23a77dd78827f
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SHA512
6c605af5c1f4e7d513340bc75806ddbfaee78e4f5aefa6d4c3b9640588e103d633857cbc3b4f19ecffbe25d872e67a310b19d4db36e8ce50da5ee14f6bf13db8
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SSDEEP
24576:8XCxSrLb3GbRtfHksrYeuj7jprl1lh4gH2p+XZbxWSA2y+d8wrQhPi/Lzc:88mLzWTxrYfj7B3Bs+XZXBOwkJ
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_waterfall.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_waterfall.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 0x498 0x2f81⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
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Downloads
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Filesize
208KB
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Filesize
992KB
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Filesize
2.7MB
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Filesize
96KB
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Filesize
68KB
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Filesize
92KB
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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
2.0MB
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Filesize
16.7MB
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Filesize
132KB
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Filesize
96KB
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Filesize
68KB
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Filesize
96KB
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Filesize
444KB
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Filesize
68KB
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Filesize
1.5MB
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Filesize
368KB
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Filesize
188KB
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Filesize
88KB
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Filesize
788KB
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Filesize
84KB
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Filesize
72KB
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Filesize
1.5MB
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Filesize
68KB
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Filesize
68KB
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Filesize
64KB
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Filesize
92KB
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Filesize
68KB
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Filesize
108KB
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Filesize
412KB
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Filesize
192KB
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Filesize
68KB
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Filesize
68KB
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Filesize
252KB
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Filesize
16.7MB