General
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Target
https://mega.nz/file/iN9RXLaA#-p17M5OrKTA9uh2TWvKrD9IhOKXBK-AQl4spSERybEA
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Sample
241110-lde6gstlaw
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://mega.nz/file/iN9RXLaA#-p17M5OrKTA9uh2TWvKrD9IhOKXBK-AQl4spSERybEA
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
https://mega.nz/file/iN9RXLaA#-p17M5OrKTA9uh2TWvKrD9IhOKXBK-AQl4spSERybEA
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1