Analysis
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max time kernel
150s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
31/05/2023, 18:11
Static task
static1
Behavioral task
behavioral1
Sample
stub.py
Resource
win7-20230220-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
stub.py
Resource
win10v2004-20230220-en
3 signatures
150 seconds
General
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Target
stub.py
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Size
65KB
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MD5
68fad761db3ecf89e0202bdf7f3cfc3a
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SHA1
e12aa8f60a06b06495bb6764a3af1c5fd3076ba6
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SHA256
aa8023293e6851872421054e5ee66d6431d7cdf3a3640ea9d568f2b1ac19350b
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SHA512
ad18ca56a1af02018f8c478cf98ae8c4f6bb42e6e9d28a9522cb95e1072c6722c3b3276c10b3f141b04d271f0accec98610d3566365815e20d04d229c42898e8
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SSDEEP
1536:GhYbFNB9PFfr0UwJK+Ur/dM1xqr0BbAhEMw:GuRNB9Pt0UwJ3Ur/dM1xqr0BbAhtw
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 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 868 AcroRd32.exe 868 AcroRd32.exe 868 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1112 1204 cmd.exe 29 PID 1204 wrote to memory of 1112 1204 cmd.exe 29 PID 1204 wrote to memory of 1112 1204 cmd.exe 29 PID 1112 wrote to memory of 868 1112 rundll32.exe 30 PID 1112 wrote to memory of 868 1112 rundll32.exe 30 PID 1112 wrote to memory of 868 1112 rundll32.exe 30 PID 1112 wrote to memory of 868 1112 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\stub.py1⤵
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\stub.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\stub.py"3⤵
- Suspicious use of SetWindowsHookEx
PID:868
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