Overview

overview

10

Static

static

10

2026-07-07...ry.exe

windows10-2004-x64

10

2026-07-07...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/07/2026, 10:32

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General

  • Target
    2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe
  • Size 458KB
  • Sample260707-mlafmsfz3x
  • SHA256 122f5bc70d9e30ba337a88831c5f69160544cfd4dc371f3cd6d3fc0099f5a055
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionumbralpersistencespywarestealer

Malware Config

Signatures

  • Family: Umbral

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

    stealerumbral
  • 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.

    execution
  • 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.

    defense_evasion
  • 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.

    defense_evasion
  • Reads user/profile data of web browsers 3 TTPs

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

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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

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:1540
    • 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:5032
    • 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:4260
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /create /tn "ntNjbSGk" /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:4332
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /create /tn "ntNjbSGk_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:4684
    • 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:3992
    • 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:2292
  • 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:3544
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2268

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          1
          T1059

          PowerShell

          1
          T1059.001

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Defense Evasion

          Impair Defenses

          2
          T1562

          Disable or Modify Tools

          2
          T1562.001

          Modify Registry

          1
          T1112

          Credential Access

          Credentials from Password Stores

          1
          T1555

          Credentials from Web Browsers

          1
          T1555.003

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2026-07-07_53cf5cae7f69f88c2c82eb0c1e7882f4_elex_glassworm_ngrbot_wannacry.exe.log
          • Size 1KB
          • SHA256 7ebfcfca64b0c1c9f0949652d50a64452b35cefe881af110405cd6ec45f857a5
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          powershell.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 e8f1393a9e1a21ef9c18231e6d1301624694e6036ec8ddf1234219eb96222a28
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 948B
          • SHA256 0a3c73d3b3afc81747d415241a047a1cadd117a0536606b89e57ecf8836e40ff
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          __PSScriptPolicyTest_25mdsfau.14b.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_25mdsfau.14b.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/1540-29-0x0000017BA9100000-0x0000017BA911E000-memory.dmp
          Download

          memory/1540-0-0x0000017B8E0A0000-0x0000017B8E118000-memory.dmp
          Download

          memory/1540-26-0x0000017B8FE00000-0x0000017B8FE10000-memory.dmp
          Download

          memory/1540-27-0x0000017BA9140000-0x0000017BA91B6000-memory.dmp
          Download

          memory/1540-28-0x0000017BA91C0000-0x0000017BA9210000-memory.dmp
          Download

          memory/1540-57-0x0000017B8FE00000-0x0000017B8FE10000-memory.dmp
          Download

          memory/1540-60-0x0000017BA90D0000-0x0000017BA90DA000-memory.dmp
          Download

          memory/1540-61-0x0000017BA9120000-0x0000017BA9132000-memory.dmp
          Download

          memory/4260-14-0x0000024A25460000-0x0000024A25470000-memory.dmp
          Download

          memory/4260-15-0x0000024A25460000-0x0000024A25470000-memory.dmp
          Download

          memory/5032-3-0x000002C3B5150000-0x000002C3B5172000-memory.dmp
          Download

          memory/5032-1-0x000002C3B4620000-0x000002C3B4630000-memory.dmp
          Download

          memory/5032-2-0x000002C3B4620000-0x000002C3B4630000-memory.dmp
          Download