Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 03:43

General

  • Target
    2026-08-13_ba91d19194554fc67d4fba40a8b97e85_elex_wannacry.exe
  • Size 20.7MB
  • Sample260813-eacgvsy1bt
  • SHA256 076b9be47c4080ab74d79979e858524cb456c820f1c62a7535e706fea01d4d6a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 24 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 7 IoCs

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

  • Modifies data under HKEY_USERS 44 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-13_ba91d19194554fc67d4fba40a8b97e85_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_ba91d19194554fc67d4fba40a8b97e85_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\exec.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4900
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec /i chromeremotedesktophost.msi /qn
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3892
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6ED09B98237C124DFB7F68B1D0CE7541
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2416
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8CED6A9DED57A54F7B2B4BFCAA6F3B6D E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4812
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass New-Item -ItemType SymbolicLink -Path 'C:\Program Files (x86)\Google\Chrome Remote Desktop\CurrentVersion' -Target 'C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\' -Force
        3⤵
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3656
  • C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\remoting_host.exe
    "C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\remoting_host.exe" --type=daemon --host-config="C:\ProgramData\Google\Chrome Remote Desktop\host.json"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:3956

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e591b22.rbs

        • Path C:\Config.Msi\e591b22.rbs
        • Size 283KB
        • SHA256 fc6e5277f6dd80e6ff1c290147ba6398606e370a2c4c72f64a27e15c028583d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icudtl.dat

        • Path C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\icudtl.dat
        • Size 10.0MB
        • SHA256 5070de99fbd8a48378543511fb7a072f85bf36f94b4f4e1d420d54be1435d6f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        remoting_core.dll

        • Path C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\remoting_core.dll
        • Size 29.2MB
        • SHA256 024f0d6e48cbb4f7110e32a22b86495936eea656a92f65f0433b7af2a006616a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        remoting_host.exe

        • Path C:\Program Files (x86)\Google\Chrome Remote Desktop\142.0.7444.18\remoting_host.exe
        • Size 72KB
        • SHA256 36e6024a219b2ed9c54a918480d46185249a2f1eb64e7635dde121887757dca5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chromeremotedesktophost.msi

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\chromeremotedesktophost.msi
        • Size 20.9MB
        • SHA256 7d879a6a65350fb862949ebed33e618a4f6c8d8d5b3deb08f9fb163b9ae29650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        exec.bat

        • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\exec.bat
        • Size 53B
        • SHA256 bff2119a470ec00a9508f98ed32e8ebaa7a8714dfc9af7ec455df74052001573
        • MD5 SHA1 SHA512 TLSH

        MSI1EE8.tmp

        • Path C:\Windows\Installer\MSI1EE8.tmp
        • Size 168KB
        • SHA256 b9e73e5ab78d033e0328fc74a9e4ebbd1af614bc4a7c894beb8c59d24ee3ede9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI20EE.tmp

        • Path C:\Windows\Installer\MSI20EE.tmp
        • Size 88KB
        • SHA256 e24376a9346c2d486ce7426ca3ddc73cd020bb7216f8e5a0b9b2cb23caddcf31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3656-62-0x0000000005B30000-0x0000000005B4E000-memory.dmp

        memory/3656-61-0x0000000005BB0000-0x0000000005F0B000-memory.dmp

        memory/3656-57-0x00000000058F0000-0x0000000005956000-memory.dmp

        memory/3656-63-0x0000000005F10000-0x0000000005F5C000-memory.dmp

        memory/3656-64-0x00000000070B0000-0x0000000007146000-memory.dmp

        memory/3656-65-0x00000000063E0000-0x00000000063FA000-memory.dmp

        memory/3656-66-0x0000000006430000-0x0000000006452000-memory.dmp

        memory/3656-67-0x0000000007710000-0x0000000007CCA000-memory.dmp

        memory/3656-60-0x0000000005960000-0x00000000059C6000-memory.dmp

        memory/3656-56-0x0000000005850000-0x0000000005872000-memory.dmp

        memory/3656-55-0x00000000051D0000-0x000000000581A000-memory.dmp

        memory/3656-54-0x0000000002690000-0x00000000026C6000-memory.dmp