Analysis
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max time kernel
70s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
24/03/2023, 01:41
General
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Target
MARZO VIERNES 3 2023.rar
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Size
2.3MB
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MD5
a315e7cb8991a7d276ee631fee823c4a
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SHA1
a06d9e2a1d5ad21f365e30332d9b434803709cc7
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SHA256
52b257693d302c64a01d912849fb499b7cb6cb0f10e0864a8400645d3a902282
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SHA512
b218b30e3c5cb12bb8468070eadc44305ec33698db05d40093453c25bde87d266b087fbc7eb28c9db964a34ba0c740c2c777ef69cc752e864c87ded13fb3f76c
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SSDEEP
49152:nBbWhiWhJQiRumkch7pzFV/brarZlet9WTQp:nBbkiWciEmpTzFV/naNlK9Ww
Malware Config
Signatures
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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 FindShellTrayWindow 9 IoCs
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Suspicious use of SendNotifyMessage 8 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\MARZO VIERNES 3 2023.rar"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MARZO VIERNES 3 2023.rar2⤵
- 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\MARZO VIERNES 3 2023.rar"3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
96KB
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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
116KB
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Filesize
68KB
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Filesize
16.7MB
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Filesize
2.0MB
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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
192KB
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Filesize
96KB
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Filesize
412KB
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Filesize
444KB
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Filesize
68KB
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Filesize
344KB
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Filesize
160KB
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Filesize
144KB
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Filesize
92KB
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Filesize
140KB
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Filesize
68KB
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Filesize
72KB
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Filesize
132KB
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Filesize
76KB
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Filesize
72KB
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Filesize
1.2MB
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Filesize
176KB
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Filesize
1.7MB
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Filesize
368KB
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Filesize
68KB
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Filesize
604KB
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Filesize
72KB
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Filesize
2.2MB
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Filesize
1.1MB
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Filesize
212KB
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Filesize
148KB
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Filesize
68KB
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Filesize
388KB
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Filesize
68KB
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Filesize
72KB
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Filesize
76KB
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Filesize
636KB
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Filesize
68KB
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Filesize
1.0MB
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Filesize
68KB
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Filesize
68KB
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Filesize
68KB
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Filesize
72KB
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Filesize
96KB
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Filesize
88KB
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Filesize
164KB
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Filesize
72KB
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Filesize
68KB
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Filesize
68KB