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Analysis
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max time kernel
149s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/02/2024, 21:26
Static task
static1
Behavioral task
behavioral1
Sample
client_id.txt
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
client_id.txt
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
client_id.txt
Resource
win11-20240221-en
Behavioral task
behavioral4
Sample
d_win_x64_ru.exe
Resource
win7-20240221-en
Behavioral task
behavioral5
Sample
d_win_x64_ru.exe
Resource
win10-20240221-en
Behavioral task
behavioral6
Sample
d_win_x64_ru.exe
Resource
win11-20240221-en
General
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Target
client_id.txt
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Size
60B
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MD5
05b5d91e1a5c59ebb2a55cba81ac4db6
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SHA1
5fd0197c435182c4e97eccf0639c45f652783cd5
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SHA256
1621ccfa11c135c3467fd434657db89a9dccfac66adcb48841c0b99f6c32cbaa
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SHA512
ff78b597713e5b9f9d297d54565fd5d7a379586ba12b9582fb365ca63deb5698e0f87c30909c12f35b9f9915614b1ea11ddbb6837306f6a66362dad67ae5ed17
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-1-5-21-647252928-2816094679-1307623958-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 252 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1640 wrote to memory of 252 1640 cmd.exe 82 PID 1640 wrote to memory of 252 1640 cmd.exe 82
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\client_id.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\client_id.txt2⤵
- Opens file in notepad (likely ransom note)
PID:252
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