General
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Target
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6
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Size
1.2MB
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Sample
241105-zvd7ea1mbn
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MD5
477211148933cc41d67087078f70cd58
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SHA1
3a931ffa7e536bd381c5fb46ebb5fd93b05bb2ec
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SHA256
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6
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SHA512
76396f20ca86c749a14510c8ae2ab03042867127956e1aacc5765c933471e1987b759122f2d90c1b87392d26e12329519dfac8b0a19692c0ec07288190a91cda
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SSDEEP
24576:bJlmUJyTmqFOGfeRIvZ6+adOSMZgrWoIaWrcX:OvU+a/rSro
Behavioral task
behavioral1
Sample
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6
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Size
1.2MB
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MD5
477211148933cc41d67087078f70cd58
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SHA1
3a931ffa7e536bd381c5fb46ebb5fd93b05bb2ec
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SHA256
2e18c0635a5593a2959b9a7c47d1145dd7115142013e4b0d6b4f931e63590fd6
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SHA512
76396f20ca86c749a14510c8ae2ab03042867127956e1aacc5765c933471e1987b759122f2d90c1b87392d26e12329519dfac8b0a19692c0ec07288190a91cda
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SSDEEP
24576:bJlmUJyTmqFOGfeRIvZ6+adOSMZgrWoIaWrcX:OvU+a/rSro
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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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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
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1