General
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Target
https://www.youtube.com/redirect?event=backstage_event&redir_token=QUFFLUhqbmtaNk0tLXFIQVN5bEZqS2hIVDhWSzZYNndaUXxBQ3Jtc0trellndi1jQXU1bWRqanVGaGI0UzlLZmtKVjY1c2J2VGhJcmNqOVFENHVhUmFqazA1N3d2dm9sMWxEN2dVdVpTaURNOHFaM2pBX1V3QXg3aWxzWG1CZnNYYjhLQlhpODFKaEhDb09Zb1FadlpSR2k4RQ&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Friz7q8flckxeg%2FFiles
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Sample
250213-dzwrcsslhr
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.youtube.com/redirect?event=backstage_event&redir_token=QUFFLUhqbmtaNk0tLXFIQVN5bEZqS2hIVDhWSzZYNndaUXxBQ3Jtc0trellndi1jQXU1bWRqanVGaGI0UzlLZmtKVjY1c2J2VGhJcmNqOVFENHVhUmFqazA1N3d2dm9sMWxEN2dVdVpTaURNOHFaM2pBX1V3QXg3aWxzWG1CZnNYYjhLQlhpODFKaEhDb09Zb1FadlpSR2k4RQ&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Friz7q8flckxeg%2FFiles
Resource
win10v2004-20250211-en
Malware Config
Extracted
vidar
https://t.me/sok33tn
https://steamcommunity.com/profiles/76561199824159981
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0
Targets
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Target
https://www.youtube.com/redirect?event=backstage_event&redir_token=QUFFLUhqbmtaNk0tLXFIQVN5bEZqS2hIVDhWSzZYNndaUXxBQ3Jtc0trellndi1jQXU1bWRqanVGaGI0UzlLZmtKVjY1c2J2VGhJcmNqOVFENHVhUmFqazA1N3d2dm9sMWxEN2dVdVpTaURNOHFaM2pBX1V3QXg3aWxzWG1CZnNYYjhLQlhpODFKaEhDb09Zb1FadlpSR2k4RQ&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Friz7q8flckxeg%2FFiles
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Detect Vidar Stealer
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Vidar family
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Xmrig family
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XMRig Miner payload
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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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Stops running service(s)
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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 computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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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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Checks whether UAC is enabled
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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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
Boot or Logon Autostart Execution
1Active Setup
1Browser Extensions
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Component Object Model Hijacking
1Modify Authentication Process
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4