Overview

overview

9

Static

static

3

WanySad.exe

windows10-ltsc_2021-x64

9

Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    16/08/2026, 13:08

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General

  • Target
    WanySad.exe
  • Size 3.2MB
  • Sample260816-qda9raydkd
  • SHA256 f02befc6db49eb723ddb54d0a754930a81124b37c5e67711b78a0ca817e388e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionimpactpersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • 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.

    execution
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 7 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 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 service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\WanySad.exe
    "C:\Users\Admin\AppData\Local\Temp\WanySad.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Users\Admin\AppData\Local\Temp\WanySad.exe
        "C:\Users\Admin\AppData\Local\Temp\WanySad.exe"
        3⤵
          PID:5648
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /create /tn "SystemUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\WanySad.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5964
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c vssadmin delete shadows /all /quiet
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5312
      • C:\Users\Admin\Desktop\Readme.exe
        "C:\Users\Admin\Desktop\Readme.exe"
        2⤵
        • Executes dropped EXE
        PID:1484
    • C:\Users\Admin\AppData\Local\Temp\WanySad.exe
      C:\Users\Admin\AppData\Local\Temp\WanySad.exe
      1⤵
        PID:2580
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2308

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Command Shell

            1
            T1059.003

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Windows Management Instrumentation

            1
            T1047

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Defense Evasion

            Direct Volume Access

            1
            T1006

            Indicator Removal

            2
            T1070

            File Deletion

            2
            T1070.004

            Modify Registry

            2
            T1112

            Credential Access

            Discovery

            Query Registry

            2
            T1012

            System Information Discovery

            2
            T1082

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Defacement

            1
            T1491

            Inhibit System Recovery

            2
            T1490

            Replay Monitor

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            Downloads

            Readme.exe
            • Path C:\Users\Admin\Desktop\Readme.exe
            • Size 3.2MB
            • SHA256 f02befc6db49eb723ddb54d0a754930a81124b37c5e67711b78a0ca817e388e7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1484-69-0x00007FF64A780000-0x00007FF64A8FF000-memory.dmp
            Download

            memory/2580-66-0x00007FF7BC940000-0x00007FF7BCABF000-memory.dmp
            Download

            memory/5008-68-0x00007FF7BC940000-0x00007FF7BCABF000-memory.dmp
            Download

            memory/5648-0-0x00007FF7BC940000-0x00007FF7BCABF000-memory.dmp
            Download