General
Static task
static1
URLScan task
urlscan1
Malware Config
Extracted
vidar
https://t.me/asg7rd
https://steamcommunity.com/profiles/76561199794498376
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6
Extracted
lumma
https://forbidstow.site/api
https://goalyfeastz.site/api
https://contemteny.site/api
https://dilemmadu.site/api
https://authorisev.site/api
Targets
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Target
https://ytmp4.io/en11/
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Detect Vidar Stealer
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Lumma family
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Vidar family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Create or Modify System Process
2Windows Service
2Modify Authentication Process
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Modify Authentication Process
1Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4