Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
01-08-2023 03:53
General
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Target
zoom_44113424.exe
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Size
4.9MB
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MD5
3490dc6fe080b01509ae7adf52d6f3d0
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SHA1
84ed7d674daa4b8fc5db1f40c2d22b052c678672
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SHA256
a96982e8c7c60161303db9df2235268a7be9a2dac2fd5fdd12ba317cd7259cb0
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SHA512
cedf06cd7313e20b291a45f09e937aeed3d53f4eb9d0f666a62c4b493686fb5702297ffdd36e66afe6a2ed16028354301edeede8170dcb269a4ad1d4341ed750
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SSDEEP
98304:Z4s9s38iiFAIc5t94qs4DwpzFgfLS6GdiGTKH12n++8aKIJzDqW5f:Z4on+IfXxK9GYGOVgl/K6DP
Malware Config
Signatures
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Downloads MZ/PE file
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in Program Files directory 2 IoCs
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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of FindShellTrayWindow 64 IoCs
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Suspicious use of SendNotifyMessage 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\zoom_44113424.exe"C:\Users\Admin\AppData\Local\Temp\zoom_44113424.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
4KB
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Filesize
8.5MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
4KB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB
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Filesize
8.5MB