General
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Target
2f7a0b0d633254c477f9d8650d485d11.exe
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Size
1.8MB
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Sample
241207-vywhmssmbp
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MD5
2f7a0b0d633254c477f9d8650d485d11
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SHA1
1ce7e5c3989077d2965d9aac2a256f9930e5b98f
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SHA256
4a7e93517c69ba331bd816159caa16524903ea49a8a2ea2b01e89f744894e6f0
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SHA512
b6141e51687d39942fb04f593c7bb2c0a7ec9e0bc53200f22e4d4c94fdb5ce55aed3169ca35d014fb746089bd2087f585ad3f057931642650ff0063195054299
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SSDEEP
49152:VbA3GzW8NA/VUPoFVwrIIV+DJGfZ19qigh:Vbs8NA/VUPoXIV+Dwbwfh
Behavioral task
behavioral1
Sample
2f7a0b0d633254c477f9d8650d485d11.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
2f7a0b0d633254c477f9d8650d485d11.exe
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Size
1.8MB
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MD5
2f7a0b0d633254c477f9d8650d485d11
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SHA1
1ce7e5c3989077d2965d9aac2a256f9930e5b98f
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SHA256
4a7e93517c69ba331bd816159caa16524903ea49a8a2ea2b01e89f744894e6f0
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SHA512
b6141e51687d39942fb04f593c7bb2c0a7ec9e0bc53200f22e4d4c94fdb5ce55aed3169ca35d014fb746089bd2087f585ad3f057931642650ff0063195054299
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SSDEEP
49152:VbA3GzW8NA/VUPoFVwrIIV+DJGfZ19qigh:Vbs8NA/VUPoXIV+Dwbwfh
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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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Dcrat family
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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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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3