General
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Target
6689bd9a5c795eedc631e5fbb850b7ff.exe
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Size
1.5MB
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Sample
241210-wcwf7awqhj
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MD5
6689bd9a5c795eedc631e5fbb850b7ff
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SHA1
b63d8e25d4eb9abea3ed0f7867f70db2ab18cba2
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SHA256
cb4626ad921c63113e18c3aefb109f70c8e334089871133ea675d62d836d810b
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SHA512
ff51ccd8918344bb0439a4d9e39394383bff2196496d778db9a3d2862479e55f1bf59c7d467ff055c721231cb592c3c7ded63c5af28a3f9552dc6421dd1151bf
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SSDEEP
24576:K17t7ROjwJqMAVS2hEijP79eAPkavlCCyYcBoZ11q8UuZPt5PsuWg:KBt7R0wJ4L5Uw5lCCyG31oIPmg
Static task
static1
Behavioral task
behavioral1
Sample
6689bd9a5c795eedc631e5fbb850b7ff.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
6689bd9a5c795eedc631e5fbb850b7ff.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
6689bd9a5c795eedc631e5fbb850b7ff.exe
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Size
1.5MB
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MD5
6689bd9a5c795eedc631e5fbb850b7ff
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SHA1
b63d8e25d4eb9abea3ed0f7867f70db2ab18cba2
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SHA256
cb4626ad921c63113e18c3aefb109f70c8e334089871133ea675d62d836d810b
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SHA512
ff51ccd8918344bb0439a4d9e39394383bff2196496d778db9a3d2862479e55f1bf59c7d467ff055c721231cb592c3c7ded63c5af28a3f9552dc6421dd1151bf
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SSDEEP
24576:K17t7ROjwJqMAVS2hEijP79eAPkavlCCyYcBoZ11q8UuZPt5PsuWg:KBt7R0wJ4L5Uw5lCCyG31oIPmg
Score10/10-
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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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
1