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Analysis
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max time kernel
139s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
26/03/2023, 11:01
General
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Target
DOCX_EMITIDO_CA72689.rar
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Size
761KB
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MD5
fefa57db40b0bbd3cebf7d77d96f2564
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SHA1
f83b0cd9a97d05fd30ea4a5d76bb032059c0e607
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SHA256
49f824651fa3c88590eb60449fd376acb1430bb73143ccb4b09c95caf4ffe6d6
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SHA512
3c10bdc1c2cd59bb6d6f9260ec691592662f956fe607148d6f86e9270095ceba7c8d5683af10ca4041ec0bcb9c78a1d85b672068db08a3cfba544ac12da3c23a
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SSDEEP
12288:wPeB0U/asyqZHX91yCt/n2xZ9jKY5bZzc2EOiTo+DAk409NXdm087fY0oOe9VxzO:wPeB0USs1HX91X2XdZ9EOEoF09KrY0Tn
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 2 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 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 6 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DOCX_EMITIDO_CA72689.rar1⤵
- 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\DOCX_EMITIDO_CA72689.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\DOCX_EMITIDO_CA72689.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
2.0MB
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Filesize
68KB
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Filesize
252KB
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Filesize
132KB
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Filesize
96KB
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Filesize
16.7MB
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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
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
212KB
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Filesize
148KB
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Filesize
388KB
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Filesize
68KB
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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
1.5MB
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Filesize
92KB
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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