Analysis
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max time kernel
161s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2023 01:30
Behavioral task
behavioral1
Sample
Nitro Generator.exe
Resource
win10v2004-20231215-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
Creal.pyc
Resource
win10v2004-20231215-en
6 signatures
150 seconds
General
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Target
Creal.pyc
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Size
29KB
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MD5
b3e0be3a38fd9796f8bc757561bf3e41
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SHA1
15ed44d498b5db7fe52a713d8882fde387933d73
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SHA256
c53212becc5b50f0740c9536965ac8141b3cf082518b49c8018aa5aedfec28bf
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SHA512
79a377624eade62eddcf1462bd5b6d275c81f494bd6dbd7dececd988ce2cabfd6d7ecba6e078e547cb6f83325d6361f9d5cec43877a73470208d21702660d0e2
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SSDEEP
768:3+lVSjnrq2VsfNEiyAuMMIfznTZMdpV7ISrx5HQtvK17Cvr:30SDroe3uzTZMB76K176r
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-1-5-21-1815711207-1844170477-3539718864-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\Local Settings OpenWith.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 756 NOTEPAD.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1960 OpenWith.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1960 OpenWith.exe 1960 OpenWith.exe 1960 OpenWith.exe 1960 OpenWith.exe 1960 OpenWith.exe 1960 OpenWith.exe 1960 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1960 wrote to memory of 756 1960 OpenWith.exe 101 PID 1960 wrote to memory of 756 1960 OpenWith.exe 101
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc1⤵
- Modifies registry class
PID:1824
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Creal.pyc2⤵
- Opens file in notepad (likely ransom note)
PID:756
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