General
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Target
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15N
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Size
1.5MB
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Sample
241004-wtjhysycrl
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MD5
84e777a87eebd1ceee7f42b45f04d8a0
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SHA1
b199913b455fbe80bd3649cb2c19143f81d2b4cd
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SHA256
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15
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SHA512
06bf41792565f9dbf8134154299a7ddf7a77cfad94db4c04a079779347ae1e37e475c2c35fadc8bada677bb2bbfd3d1e2efd9cf03050c0cf930b94c824418ea9
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SSDEEP
24576:VbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCv:BEi6GDAQORcwW5/oBjme81
Static task
static1
Behavioral task
behavioral1
Sample
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15N.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15N
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Size
1.5MB
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MD5
84e777a87eebd1ceee7f42b45f04d8a0
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SHA1
b199913b455fbe80bd3649cb2c19143f81d2b4cd
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SHA256
aab1b9a9dea62afb4301db8a84d1c254c8fdf988795aecc54167ee865d11cd15
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SHA512
06bf41792565f9dbf8134154299a7ddf7a77cfad94db4c04a079779347ae1e37e475c2c35fadc8bada677bb2bbfd3d1e2efd9cf03050c0cf930b94c824418ea9
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SSDEEP
24576:VbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCv:BEi6GDAQORcwW5/oBjme81
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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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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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1