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General
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Target
1954887cb3505d283c86d6e3379bb120.exe
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Size
1.2MB
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Sample
241002-y145cavbmj
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MD5
1954887cb3505d283c86d6e3379bb120
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SHA1
ed20edd050b68986325e059240c6165736865db1
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SHA256
18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
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SHA512
753a025ef237078c3e64c2795002038d5cfdba8ac9d74d368131031249a645ff99b0c992fff059315ed036068c56650ffab293424ac02c33366d422e8ea2752e
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SSDEEP
24576:N8iAvkij/9iCaMtOT41VtCP3J0QbFUoKbScbIf4v7CUet7GKf3VL/iab:NJaYCRX1VcPujXWqKJ
Behavioral task
behavioral1
Sample
1954887cb3505d283c86d6e3379bb120.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1954887cb3505d283c86d6e3379bb120.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
1954887cb3505d283c86d6e3379bb120.exe
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Size
1.2MB
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MD5
1954887cb3505d283c86d6e3379bb120
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SHA1
ed20edd050b68986325e059240c6165736865db1
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SHA256
18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
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SHA512
753a025ef237078c3e64c2795002038d5cfdba8ac9d74d368131031249a645ff99b0c992fff059315ed036068c56650ffab293424ac02c33366d422e8ea2752e
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SSDEEP
24576:N8iAvkij/9iCaMtOT41VtCP3J0QbFUoKbScbIf4v7CUet7GKf3VL/iab:NJaYCRX1VcPujXWqKJ
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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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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
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1