Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 04:35

General

  • Target
    2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe
  • Size 69KB
  • Sample260421-e76rzabx4s
  • SHA256 031f094f7b58847817909a29fb017c2eef672f717a19b5e40051e66f8629490d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5248
  • C:\Windows\Debug\bqchost.exe
    C:\Windows\Debug\bqchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bqchost.exe

        • Path C:\Windows\debug\bqchost.exe
        • Size 69KB
        • SHA256 74a69e8d5403ec78191850b0d9731236dfefabae2d8c2f781745558bccbeae4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2488-0-0x0000000010000000-0x000000001000A000-memory.dmp