General
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Target
S0FTWARE.rar
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Size
20.8MB
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Sample
250217-ntzwyaymcv
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MD5
4709e1f3f01585669f161cf99d205821
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SHA1
a22f4c996fa010f9a576b3db44715bedd161ecce
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SHA256
0c2435e614c2e120089f41d53729ebadd94d9654a65a2ed74e6eb3805501baa7
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SHA512
6b0f80564a3f208cbca1d439931f3447203558a90be1f195c7ea4bd3df5b2b318efee278c8015f1807cb5c8d0be04d982babd38dcfc9cb1439bd9acbd60d6bd1
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SSDEEP
393216:nl936aC5ZR3bDKZkEWdiM9FxxaV9DpgHx7yHlu5ltqSXua87uKv4:H36a0BdiM9YV9Dpu7glu5lcSbY4
Static task
static1
Behavioral task
behavioral1
Sample
S0FTWARE.exe
Resource
win7-20240903-en
Malware Config
Extracted
vidar
https://t.me/b4cha00
https://steamcommunity.com/profiles/76561199825403037
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Targets
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Target
S0FTWARE.exe
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Size
232KB
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MD5
fbd1b32c4c62e90e0cf1645f88eed890
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SHA1
358075963f0c935cdb7eeeec1bd7a49569d880f2
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SHA256
d0055eec7bf7cc140098e2a37cca3a3ee9c374326279c5ba6e8f4bd9ae3dcd75
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SHA512
a44135fd7de05db9e3e2c3bfa94c0144a60c33cbfdba0e20632384feb9cbe05469d5f8b499146f98af4a76a8b070b9db441309746e34ed4b351cd7c586bfa70b
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SSDEEP
3072:2A4WSt2GdSB+vsoFJL4BBcZIdEt/UvDmeNNMbXdOolXFVf5nSj1VrHsMdJ9MQ8m:A2Gde+vsoFJL4BSWdEt/K6eNw51rn02
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Detect Vidar Stealer
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Vidar family
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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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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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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Authentication Process
1Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1