Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 15:33

General

  • Target
    2026-11-01_8a3ddbb5cc2c62351dfc67b5e59026a0_elex_wannacry.exe
  • Size 94KB
  • Sample261102-sznhbavvas
  • SHA256 f404c0e49006c11adf39678164ce5dae6bfbe3ef3d513f6017b809abcfab286f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_8a3ddbb5cc2c62351dfc67b5e59026a0_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_8a3ddbb5cc2c62351dfc67b5e59026a0_elex_wannacry.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Windows\SysWOW64\wmcserv.exe
      C:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-11-01_8a3ddbb5cc2c62351dfc67b5e59026a0_elex_wannacry.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5848
  • C:\Windows\SysWOW64\wmcserv.exe
    C:\Windows\SysWOW64\wmcserv.exe -v
    1⤵
    • Executes dropped EXE
    • Checks for any installed AV software in registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:556

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        wmcserv.exe

        • Path C:\Windows\SysWOW64\wmcserv.exe
        • Size 94KB
        • SHA256 3f6d1fd452a7f93ae2b1690923badec3a89637e69819412447da53d91c65972a
        • MD5 SHA1 SHA512 SSDEEP TLSH