General
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Target
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a.exe
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Size
1.3MB
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Sample
240722-tvbtdsxbkp
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MD5
f946ceb3dfbc4802323f045e77b9fc63
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SHA1
04beac37360d30c5ad933f82f80bfd41ae294cc4
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SHA256
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a
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SHA512
7ad0db10f788d63d44a85981ccd9cf7c5acaadad66d1fd4c34554eb77bd1582e49549c917eb39e0c17e7b55b2fc0e262c059e1d85c188f1a3649879368a834e3
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SSDEEP
24576:qwwpL4DsvfsODQY2mq7yTK32HbzpEOlM7RJFolBjvmPln0Ep9GKc6NC1t:qw8LnsvQKMzpEOlM7RJqlhgq8rC1
Behavioral task
behavioral1
Sample
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a.exe
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Size
1.3MB
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MD5
f946ceb3dfbc4802323f045e77b9fc63
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SHA1
04beac37360d30c5ad933f82f80bfd41ae294cc4
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SHA256
682f5e5eb1673b692d4009f655f51b7926031ff7e8c1d4aecfd62cfd1e1d7c2a
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SHA512
7ad0db10f788d63d44a85981ccd9cf7c5acaadad66d1fd4c34554eb77bd1582e49549c917eb39e0c17e7b55b2fc0e262c059e1d85c188f1a3649879368a834e3
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SSDEEP
24576:qwwpL4DsvfsODQY2mq7yTK32HbzpEOlM7RJFolBjvmPln0Ep9GKc6NC1t:qw8LnsvQKMzpEOlM7RJqlhgq8rC1
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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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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Legitimate hosting services abused for malware hosting/C2
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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
1