Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 15:47

General

  • Target
    2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe
  • Size 80KB
  • Sample260422-s76zmaev71
  • SHA256 3fb5bd0c7f2cc422c29f1763e6bce10d198431308ded8e8be37c08f6c57cbb0b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\wmcserv.exe
      C:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4712
  • C:\Windows\SysWOW64\wmcserv.exe
    C:\Windows\SysWOW64\wmcserv.exe -v
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1112

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        wmcserv.exe

        • Path C:\Windows\SysWOW64\wmcserv.exe
        • Size 80KB
        • SHA256 366155cc8cad231c874742dc035deeadc252111f6b6c3e5838e584e4be2e0028
        • MD5 SHA1 SHA512 SSDEEP TLSH