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27/12/2023, 08:26
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231224-kprg8adhc4 5Analysis
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max time kernel
143s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20231222-en -
resource tags
arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/12/2023, 08:26
Static task
static1
Behavioral task
behavioral1
Sample
test.txt
Resource
win11-20231222-en
4 signatures
150 seconds
General
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Target
test.txt
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Size
4B
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MD5
098f6bcd4621d373cade4e832627b4f6
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SHA1
a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
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SHA256
9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08
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SHA512
ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff
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-1-5-21-1184116928-951304463-2249875399-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 804 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2080 wrote to memory of 804 2080 cmd.exe 81 PID 2080 wrote to memory of 804 2080 cmd.exe 81
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\test.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\test.txt2⤵
- Opens file in notepad (likely ransom note)
PID:804
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