General
-
Target
https://www.mediafire.com/file/bd91d85sr1y0p4c/S0FTWARE.rar/file
-
Sample
250218-j31glsynhy
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.mediafire.com/file/bd91d85sr1y0p4c/S0FTWARE.rar/file
Resource
win10ltsc2021-20250211-en
Malware Config
Extracted
vidar
https://t.me/b4cha00
https://steamcommunity.com/profiles/76561199825403037
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Targets
-
-
Target
https://www.mediafire.com/file/bd91d85sr1y0p4c/S0FTWARE.rar/file
-
Detect Vidar Stealer
-
Vidar family
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Downloads MZ/PE file
-
Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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.
-
Executes dropped EXE
-
Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Legitimate hosting services abused for malware hosting/C2
-
Drops file in System32 directory
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Browser Extensions
1Event Triggered Execution
1Component Object Model Hijacking
1Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event 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