General
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Target
https://www.dropbox.com/scl/fi/67epyl2uw2x9t8y93bkch/Unlock_Tool.zip?rlkey=g0dmjtoajve5wofhntuxo673o&st=ibvvsshl&dl=1
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Sample
241114-sgr3savjep
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.dropbox.com/scl/fi/67epyl2uw2x9t8y93bkch/Unlock_Tool.zip?rlkey=g0dmjtoajve5wofhntuxo673o&st=ibvvsshl&dl=1
Resource
win10ltsc2021-20241023-en
Malware Config
Extracted
vidar
11.7
4b05932e298d86a233eec0514ef2c4f6
https://t.me/m07mbk
https://steamcommunity.com/profiles/76561199801589826
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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
Targets
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Target
https://www.dropbox.com/scl/fi/67epyl2uw2x9t8y93bkch/Unlock_Tool.zip?rlkey=g0dmjtoajve5wofhntuxo673o&st=ibvvsshl&dl=1
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Detect Vidar Stealer
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Vidar family
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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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Downloads MZ/PE file
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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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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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Adds Run key to start application
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Authentication Process
1Modify Registry
5Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4