Resubmissions
14/06/2024, 01:02
240614-bdv7layeme 3Analysis
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max time kernel
15s -
max time network
27s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/06/2024, 01:02
Static task
static1
Behavioral task
behavioral1
Sample
releaseBFH.rar
Resource
win11-20240611-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
BFHSoft.rar
Resource
win11-20240419-en
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
READ.txt
Resource
win11-20240508-en
4 signatures
150 seconds
General
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Target
READ.txt
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Size
273B
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MD5
bc391259ea33320fa3917282efcdb11e
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SHA1
af559582429f68e9d27cbe0e498fe5aa03d80d28
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SHA256
f23393f8da4a4d7c376ca2153667d2b665c466e6bb35e8a2d8f7c3d83f7ff5ae
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SHA512
b057e773c19cc36fa9302509c9150fa981fd6f7b9c8db32ffb3b274107caeed72f693aa1e68c7cfaaa5dfe407a986acd49e633bcb282d8c20abf8643c0c7b4d7
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-1-5-21-3433428765-2473475212-4279855560-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4964 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 352 wrote to memory of 4964 352 cmd.exe 81 PID 352 wrote to memory of 4964 352 cmd.exe 81
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\READ.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:352 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\READ.txt2⤵
- Opens file in notepad (likely ransom note)
PID:4964
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