35d5cdf23553b14ad8051f68b1af8199805f06479391888f609af4ed54ed5a63

Analysis

user interaction
yes
max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/07/2026, 04:07

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General

Target
ByteBreaker V1_86562931.exe
Size 702KB
Sample260724-epycwasbrd
SHA256 35d5cdf23553b14ad8051f68b1af8199805f06479391888f609af4ed54ed5a63
MD5 cd85c75fa053954c4ae4ee338d3bcb63
SHA1 fb2fb89c667d901ef01600dae3f027c7dbfe16be
SHA512 f0d7e4732df889e6513f67e266c68bf7490c513bb78736b4fac4d90ed49040415a500ae8f0f9b696e100a92c871d5cf80fdb628bec0f42e3a531e1a636873f6d
SSDEEP 12288:utflJ50c6GeHR6Kjx288tG6rmC0tzeIiZ4fFo:ut9J6MB8gGaUtze74f+
TLSH
T123E48C16B6A801FCE1B7D179C9524912F7B1B847437297CF03A05A66AF2BAE05F3E311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

ransomware

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings	ByteBreaker V1_86562931.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
5140	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 5140	1396	ByteBreaker V1_86562931.exe	92

C:\Users\Admin\AppData\Local\Temp\ByteBreaker V1_86562931.exe
"C:\Users\Admin\AppData\Local\Temp\ByteBreaker V1_86562931.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\file.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:5140

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4328

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

Replay Monitor

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Downloads

file.txt

Path C:\Users\Admin\AppData\Local\file.txt
Size 58B
SHA256 cdfcf7dd5971c94ca29c3ebb851b2970b5352776d2b56709132bf31924facc2c
MD5 ed4e2f602bb6f51b8fb0030d9dd10096
SHA1 bf5a0602cf53086ff39b93118721b3f34fd0b21d
SHA512 4a8a92a5669b2799acd7772a579ce338309bc55123364b24ffb079dd7153e88a5606aea3dff48a6eb694c34c18005574fd1fbc99af4430b6ec7c49d1d7a8f308
TLSH
T135A00238A4D0154A8846864936965880322254D705EDD255CC705705186665328BB547
MD5 SHA1 SHA512 TLSH

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