Analysis
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max time kernel
91s -
max time network
191s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
31/05/2024, 07:05
Static task
static1
Behavioral task
behavioral1
Sample
E.txt
Resource
win10-20240404-en
2 signatures
300 seconds
Behavioral task
behavioral2
Sample
E.txt
Resource
win10v2004-20240426-en
15 signatures
300 seconds
Behavioral task
behavioral3
Sample
E.txt
Resource
win11-20240508-en
4 signatures
300 seconds
General
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Target
E.txt
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Size
181B
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MD5
a9944fe29fd34d56934fecdf21d18b60
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SHA1
87e4a569d6c79e496805be438a1fedb42a8a27b1
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SHA256
067d8c1f3575cb3678c17a698f62667b595b03d2a6b7c2e8ad03cba477ba71c9
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SHA512
fa0e06a8c7d7645090e6d3b98a55e91db4e6dbf6a40def8a1424dff35f73f36ed57b5c06428324ca734621df9a6b91b4a2dc470b2bb116e6f1abc069c59e3ce3
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 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4624 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4576 wrote to memory of 4624 4576 cmd.exe 80 PID 4576 wrote to memory of 4624 4576 cmd.exe 80
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\E.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\E.txt2⤵
- Opens file in notepad (likely ransom note)
PID:4624
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