General
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Target
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83N.exe
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Size
1.5MB
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Sample
250208-cx5e2sznc1
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MD5
49f66cd5f78612fa22b446077db7b820
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SHA1
201e00f7d4d27f684de80e6cd0f56fd149dec94a
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SHA256
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83
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SHA512
e15c0b16cd353f9e2cbdc9205f70571853738f83ce7da6f3b079dfc72fb83a8eb2cbaa1a6b089103f1f11e5b0155371595e4d3e3e1e06f460d15d61dd4bb1a31
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SSDEEP
24576:0NNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:EzhWhCXQFN+0IEuQgyiVK
Static task
static1
Behavioral task
behavioral1
Sample
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83N.exe
Resource
win10v2004-20250207-en
Malware Config
Targets
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Target
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83N.exe
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Size
1.5MB
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MD5
49f66cd5f78612fa22b446077db7b820
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SHA1
201e00f7d4d27f684de80e6cd0f56fd149dec94a
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SHA256
e7117bbae81246c116e602a00840d7001920212c3656f0ce00a1b8f289836b83
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SHA512
e15c0b16cd353f9e2cbdc9205f70571853738f83ce7da6f3b079dfc72fb83a8eb2cbaa1a6b089103f1f11e5b0155371595e4d3e3e1e06f460d15d61dd4bb1a31
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SSDEEP
24576:0NNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:EzhWhCXQFN+0IEuQgyiVK
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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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UAC bypass
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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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Downloads MZ/PE file
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Drops file in Drivers directory
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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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Checks whether UAC is enabled
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Drops file in System32 directory
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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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4