Overview

overview

10

Static

static

10

2026-07-01...ry.exe

windows10-2004-x64

10

2026-07-01...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 22:08

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General

  • Target
    2026-07-01_be8a659e3faa76224e27eaedfc54ea6a_elex_wannacry.exe
  • Size 32KB
  • Sample260701-12ay1agy2s
  • SHA256 2b0f08c266236a77a7bd9b7099fe4ea33f42cb2befe5570ab04c5fa54aab99ae
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverydownloaderwaskipersistenceransomwarespyware

Malware Config

Signatures

  • Family: Waski

    Waski is a trojan downloader written in C++.

    downloaderwaski
  • Detects Waski payload 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-01_be8a659e3faa76224e27eaedfc54ea6a_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_be8a659e3faa76224e27eaedfc54ea6a_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
      "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5304
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5636
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:6120
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1172
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4600

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        codecsupdater.exe
        • Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
        • Size 32KB
        • SHA256 1ca440fc3ec6d7bb9cb3dfa8fca0f3bc6178e50c9edbf543053b90f02ae19556
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1172-20-0x00000209001E0000-0x00000209002E0000-memory.dmp
        Download

        memory/1172-28-0x0000020901E20000-0x0000020901F20000-memory.dmp
        Download

        memory/1172-65-0x00000209141E0000-0x0000020914200000-memory.dmp
        Download

        memory/1172-38-0x0000020901D40000-0x0000020901D60000-memory.dmp
        Download

        memory/1172-26-0x0000020901A00000-0x0000020901A20000-memory.dmp
        Download

        memory/4600-204-0x0000027AFDE00000-0x0000027AFDE44000-memory.dmp
        Download

        memory/6120-203-0x0000000006370000-0x00000000063B4000-memory.dmp
        Download

        memory/6120-202-0x00000000061A0000-0x000000000636A000-memory.dmp
        Download