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Analysis
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max time kernel
140s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05/05/2023, 03:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
reloc.rar
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
reloc.rar
Resource
win10v2004-20230220-en
6 signatures
150 seconds
General
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Target
reloc.rar
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Size
487KB
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MD5
3ec8ad131379fe656e0ee8ca94ade4ba
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SHA1
8f1d785c412904da883f02c69f6fb0910550cdb4
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SHA256
7b3986445ac31f6150a65054384a01b8a780dfea032b5ed22fc6e69c61fc0eda
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SHA512
df1d8aa2cc6736804647521534b19d3381a7ca75edb84d8f7830e2f76ad3dece7ee84d5c52f303360bebfbfabf0f857ab7bfa20f1132ff3d0a0b02a6c671afe0
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SSDEEP
12288:xfp6S5wNJefdP3t37SgdayHmxwuNVIjXnAfp65pKggrn2qCdfbCmImy:xfp69NJefFdrwyHmxrNVCAfp6HIj2qCA
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1528 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1528 vlc.exe -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe 1528 vlc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1528 vlc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 924 wrote to memory of 1868 924 cmd.exe 28 PID 924 wrote to memory of 1868 924 cmd.exe 28 PID 924 wrote to memory of 1868 924 cmd.exe 28 PID 1868 wrote to memory of 1528 1868 rundll32.exe 29 PID 1868 wrote to memory of 1528 1868 rundll32.exe 29 PID 1868 wrote to memory of 1528 1868 rundll32.exe 29
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\reloc.rar1⤵
- Suspicious use of WriteProcessMemory
PID:924 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\reloc.rar2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\reloc.rar"3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1528
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