Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-06-2022 05:47
Static task
static1
Behavioral task
behavioral1
Sample
32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130.exe
Resource
win10v2004-20220414-en
General
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Target
32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130.exe
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Size
312KB
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MD5
e0da60dc0f07a4d1efc0a0a1e0235376
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SHA1
d96c33ddb7a08244579fbc4124bbc85f00e926c6
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SHA256
32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130
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SHA512
44b69ef60c80a978fa6c0c2ccf7ecc720f97b4e56dd106ed1142a0f92748448e80c266d75d5bd935ed3c93f7d225010ae36f8874872a6fbcf889e79c6bde8824
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
spoolsvc.exepid process 4236 spoolsvc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
spoolsvc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XuiVam = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\spoolsvc.exe" spoolsvc.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
efsui.exepid process 5096 efsui.exe 5096 efsui.exe 5096 efsui.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
efsui.exepid process 5096 efsui.exe 5096 efsui.exe 5096 efsui.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130.exe"C:\Users\Admin\AppData\Local\Temp\32aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130.exe"1⤵PID:1140
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C:\Windows\system32\efsui.exeefsui.exe /efs /keybackup1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5096
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C:\Users\Admin\AppData\Local\Microsoft\spoolsvc.exeC:\Users\Admin\AppData\Local\Microsoft\spoolsvc.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4236
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\spoolsvc.exeFilesize
312KB
MD5e0da60dc0f07a4d1efc0a0a1e0235376
SHA1d96c33ddb7a08244579fbc4124bbc85f00e926c6
SHA25632aa5f556099e8fdf9c0f4c8f5695e5736a7cc208aacc548d623d329256d4130
SHA51244b69ef60c80a978fa6c0c2ccf7ecc720f97b4e56dd106ed1142a0f92748448e80c266d75d5bd935ed3c93f7d225010ae36f8874872a6fbcf889e79c6bde8824
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memory/1140-130-0x00000000002D0000-0x00000000002F8000-memory.dmpFilesize
160KB
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memory/1140-131-0x0000000004C10000-0x0000000004C76000-memory.dmpFilesize
408KB
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memory/1140-132-0x0000000005280000-0x0000000005824000-memory.dmpFilesize
5.6MB
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memory/1140-133-0x0000000004D70000-0x0000000004E02000-memory.dmpFilesize
584KB