General
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Target
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608dbN.exe
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Size
1.5MB
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Sample
241230-q3fwjayqcw
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MD5
80bc6473c8c8d62aa31b9848889efca0
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SHA1
0d92b41270fa56419c3cceda679de938a8ee4502
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SHA256
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608db
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SHA512
d24044613e334dc2b8e98c3367927f6f17deab96bedba6199360848d4d6274f96b367afc2cc67194b2deeb2b58908d56c3e70e1954d3d983d480c74116d4b42a
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SSDEEP
24576:0NNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:EzhWhCXQFN+0IEuQgyiVK
Static task
static1
Behavioral task
behavioral1
Sample
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608dbN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608dbN.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608dbN.exe
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Size
1.5MB
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MD5
80bc6473c8c8d62aa31b9848889efca0
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SHA1
0d92b41270fa56419c3cceda679de938a8ee4502
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SHA256
bfa95df9fad783a5dc6d38f7b7677cfc44f29c1ef28f08ea6fc20f2a962608db
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SHA512
d24044613e334dc2b8e98c3367927f6f17deab96bedba6199360848d4d6274f96b367afc2cc67194b2deeb2b58908d56c3e70e1954d3d983d480c74116d4b42a
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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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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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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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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
1