Analysis
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max time kernel
1s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-05-2024 17:05
Behavioral task
behavioral1
Sample
7xsyz7.rar
Resource
win11-20240419-en
Behavioral task
behavioral2
Sample
7xsyz7/Defender_Settings.vbs
Resource
win11-20240419-en
Behavioral task
behavioral3
Sample
7xsyz7/ReadMe.txt
Resource
win11-20240426-en
Behavioral task
behavioral4
Sample
7xsyz7/dControl.exe
Resource
win11-20240426-en
Behavioral task
behavioral5
Sample
out.exe
Resource
win11-20240426-en
Behavioral task
behavioral6
Sample
7xsyz7/dControl.ini
Resource
win11-20240426-en
General
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Target
7xsyz7/ReadMe.txt
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Size
2KB
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MD5
8dbe87a9bf6342c4e2ea406fa86e76bb
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SHA1
35fe083b3f5793fe1b803d091262e4dee2cd0c4d
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SHA256
d3b0219253a58ccb394559751299bd16dba1120e02cb11571c3b6a085b1027f8
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SHA512
3fca076f1c6fe286bef4d211fad2643e2c2e426d75e665c1a1c8dd241689fbd3911544b90f65e0b2ab25ce0ff63fc5520684ff7c1c2fb71be9cda6359a8b1c8e
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-1-5-21-2551177587-3778486488-1329702901-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3596 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2168 wrote to memory of 3596 2168 cmd.exe 80 PID 2168 wrote to memory of 3596 2168 cmd.exe 80
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\7xsyz7\ReadMe.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7xsyz7\ReadMe.txt2⤵
- Opens file in notepad (likely ransom note)
PID:3596
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