Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 22:28

General

  • Target
    2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe
  • Size 57KB
  • Sample260702-2dm44acv8n
  • SHA256 ce6196c3b3dd70ce1ba745bdac640aec818cc28707669751cd99aa016dcf66f0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detects executables built or packed with MPress PE compressor 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5772
    • C:\Users\Admin\AppData\Local\Temp\btkba.exe
      "C:\Users\Admin\AppData\Local\Temp\btkba.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        btkba.exe

        • Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
        • Size 58KB
        • SHA256 fe8db3bde846f027af6463f393d342f51948bcf6e71aaa4cadfc84a492d464bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5052-11-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/5772-0-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/5772-10-0x0000000000400000-0x000000000040C000-memory.dmp