Analysis
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max time kernel
91s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 16:19
Behavioral task
behavioral1
Sample
sd.exe
Resource
win10v2004-20240226-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
sd.pyc
Resource
win10v2004-20240226-en
5 signatures
150 seconds
General
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Target
sd.pyc
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Size
109KB
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MD5
26d098dd93d6d492f518c135d8985997
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SHA1
681c59b29afa8133795636fb874fdbcd6ac3f8e9
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SHA256
9612feded97fd391a364f744b206aad5cb8253c9fb7473a14e9323c4a286124e
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SHA512
0b83ed9fc650da96af2bf1429d2ba0ddf9c9dbccdf0467b9706433ac6e853dc89f3eb2fd7c754a75bf096d1d2afc154664eba8af1163e9912521d837f251bbfc
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SSDEEP
1536:zaqOxPVK0WguhReeFUF0Qu0hReeFUF0Q41SYjPAjd3ioveRPeT9BRYpOWnNlsEQE:W1ckovejDnNlvzpl60E9Z1ln8N
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-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings OpenWith.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 556 NOTEPAD.EXE -
Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe 228 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 228 wrote to memory of 556 228 OpenWith.exe 92 PID 228 wrote to memory of 556 228 OpenWith.exe 92
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\sd.pyc1⤵
- Modifies registry class
PID:4984
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sd.pyc2⤵
- Opens file in notepad (likely ransom note)
PID:556
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