General
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Target
0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
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Size
1.6MB
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Sample
230325-a7g2dscd4y
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MD5
7bfd0053396bf14fa1e493a3e41e2103
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SHA1
a0d2eeb505d51a8769acbeded7289903ecf32798
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SHA256
0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4
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SHA512
3508248a3ee768aee01cc3e41d94f6e42fa968d04841341e1a1aac103e08b4fe622ef0d82fb1153ed0a9c3c5fdde6833262aaad83655a5854357827123106823
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SSDEEP
24576:J2G/nvxW3WpkELhAaXGv4ltHvzzr0QQPMCyKIHcMJK5FtHjfNKBGFO:JbA33EeQ7QPdojKPLKBG0
Behavioral task
behavioral1
Sample
0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe
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Size
1.6MB
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MD5
7bfd0053396bf14fa1e493a3e41e2103
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SHA1
a0d2eeb505d51a8769acbeded7289903ecf32798
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SHA256
0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4
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SHA512
3508248a3ee768aee01cc3e41d94f6e42fa968d04841341e1a1aac103e08b4fe622ef0d82fb1153ed0a9c3c5fdde6833262aaad83655a5854357827123106823
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SSDEEP
24576:J2G/nvxW3WpkELhAaXGv4ltHvzzr0QQPMCyKIHcMJK5FtHjfNKBGFO:JbA33EeQ7QPdojKPLKBG0
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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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Disables Task Manager via registry modification
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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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Loads dropped DLL
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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