Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 14:27

General

  • Target
    2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe
  • Size 90KB
  • Sample260809-rsfnfssxdx
  • SHA256 ce981d100eb0966e4c706bc7fc3e5030df98654c01778c39602f3f0616b0674f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE1.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4976
      • C:\Users\Admin\AppData\Local\Temp\2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2748
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4104
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 2696977562c5ed67ed939e7fbcbabb3dbdcbbe1210b0cfc6a3b805ddcc68eb9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aE1.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aE1.bat
        • Size 678B
        • SHA256 92dd014922d438447578857e96b0dec5bd41c9114e6709a9a84878368bc3da2b
        • MD5 SHA1 SHA512 TLSH

        2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-09_4d9014c1ea5ffe8a3243d499956dc601_elex_wannacry.exe.exe
        • Size 64KB
        • SHA256 b379d9852030b52a0a790a6bbc38f29d1cba85a906471b267707012204c52dc9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 c2b85a9106aa60a3e60de292ed347d880c7d7aa1563abb0a57ede010c7e85668
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-552508041-2681165170-3229858294-1000\_desktop.ini
        • Size 8B
        • SHA256 9665de4083439d021866163b21bda2a5f96fd16cd7572fbd2966e90951743829
        • MD5 SHA1 SHA512

        memory/1680-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1680-12-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-113-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4764-5516-0x0000000000400000-0x0000000000434000-memory.dmp