General
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Target
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031eN
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Size
1.5MB
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Sample
241004-h39vls1dln
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MD5
baaabf0ccad2b883c450b526fb37c970
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SHA1
14183a3d32fba84c706b4ea7718199129f90ec8c
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SHA256
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031e
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SHA512
671a77cde476e2302ff91dd3395228346f80554b25be4eef9c4eca817fced7b5c7083847da1d51c47981a6843a9905f48f9babe66e3ce3e7f73b030bc32e9af3
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
Static task
static1
Behavioral task
behavioral1
Sample
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031eN.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031eN
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Size
1.5MB
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MD5
baaabf0ccad2b883c450b526fb37c970
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SHA1
14183a3d32fba84c706b4ea7718199129f90ec8c
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SHA256
7f2b45cb89c88be12cad3ceaaedd5e33797acc1bcd3c73c5432c410603f7031e
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SHA512
671a77cde476e2302ff91dd3395228346f80554b25be4eef9c4eca817fced7b5c7083847da1d51c47981a6843a9905f48f9babe66e3ce3e7f73b030bc32e9af3
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
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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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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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Drops file in Drivers directory
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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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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
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1