Analysis

  • max time kernel
    899s
  • max time network
    787s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/07/2026, 08:26

General

  • Target
    R SLASH MASSLEAKING/BEARCEL WINTERS.txt
  • Size 54B
  • Sample260702-kb5spaew4v
  • SHA256 be0085611ff61ef58715f4759441f6a68cf3355095df8b454d74ffd0e1546e57
  • MD5 SHA1 SHA512 TLSH
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\R SLASH MASSLEAKING\BEARCEL WINTERS.txt"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5992
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\R SLASH MASSLEAKING\BEARCEL WINTERS.txt
      2⤵
        PID:4384

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads