General
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Target
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc
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Size
2.7MB
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Sample
240524-d2r6ysbe36
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MD5
8a988516d37df432161e208d0d8c42bd
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SHA1
58598135c7dced1b5266814edc5e44afc5dda59f
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SHA256
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc
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SHA512
f546d5ab0de84baa5a580a576df5ed19e90b220501b0f251932fec9755391b8cb7b6080f523fe79322ea25fbca44eaf2bd6f600d94d7e090b624d3f86852e6a3
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SSDEEP
49152:iH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:iHfE5Ad8Xd295UmGc
Behavioral task
behavioral1
Sample
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc
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Size
2.7MB
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MD5
8a988516d37df432161e208d0d8c42bd
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SHA1
58598135c7dced1b5266814edc5e44afc5dda59f
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SHA256
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc
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SHA512
f546d5ab0de84baa5a580a576df5ed19e90b220501b0f251932fec9755391b8cb7b6080f523fe79322ea25fbca44eaf2bd6f600d94d7e090b624d3f86852e6a3
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SSDEEP
49152:iH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:iHfE5Ad8Xd295UmGc
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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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Detects executables packed with SmartAssembly
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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 Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1