4dd1aa8b1d5f4870c2e22e62273851aa742e5df99ee97d321da6f2f02b96f0ba

Analysis

max time kernel
149s
max time network
151s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
19/09/2026, 15:52

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General

Target
BufferMakerStudio_Win11.exe
Size 224KB
Sample260919-ta18jsgh64
SHA256 4dd1aa8b1d5f4870c2e22e62273851aa742e5df99ee97d321da6f2f02b96f0ba
MD5 3a01272ffaf61d4ae7f761d1c2efde3b
SHA1 560d4722e4be9d5e5086592378fd042ccfbe75f8
SHA512 b7d4d37a3447bd485ae9b4a4cc6cce3d3b9e0984271f50cdd25894bc847e8cfbad06e17011f995a65d09f50607a647226c0bb5f0d4e664b9131cdd905e86d343
SSDEEP 3072:V0S3sdxI8cDa5Cx+srQhMQc6PgLyLNVbRphbhVYgKratWASUNvC4hH:qS4Uasxz0jagKraQASUNvC
TLSH
T11124E81BB3A31DFCCA27C23942A69B71A971F8111320EE2F8754CB732E21D545E66E74
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 19 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 14002e80922b16d365937a46956b92703aca08af0000	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0	BufferMakerStudio_Win11.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\NodeSlot = "2"	BufferMakerStudio_Win11.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents"	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	BufferMakerStudio_Win11.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = ffffffff	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	BufferMakerStudio_Win11.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	BufferMakerStudio_Win11.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2328	BufferMakerStudio_Win11.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2328	BufferMakerStudio_Win11.exe

C:\Users\Admin\AppData\Local\Temp\BufferMakerStudio_Win11.exe
"C:\Users\Admin\AppData\Local\Temp\BufferMakerStudio_Win11.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2328

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2328-0-0x00007FF6496D0000-0x00007FF649710000-memory.dmp

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