General
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Target
http://193.233.237.45/izgojBuild.exe
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Sample
250202-h1jkmssrdq
Score
10/10
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://193.233.237.45/izgojBuild.exe
Resource
win7-20240903-en
27 signatures
900 seconds
Malware Config
Targets
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Target
http://193.233.237.45/izgojBuild.exe
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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DCRat payload
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1