General
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Target
krampus (1).zip
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Size
2.4MB
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Sample
240507-qwslrahg4v
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MD5
a6ff8476134d69ac2805e9fe6fc8a00d
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SHA1
474821d771064683c3fb243b4ab36b3907b3d423
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SHA256
d3b861fab82e305bc0ed504731aa44fbe4717ef1536c7e7a3049b722d95e4c12
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SHA512
90f3070e11432194661fffb566526c5bd02d6dfa5daefd8e9f23b5d8ea46fb5e2a06d60385edcd4f93fe401d696f642dea21fb5686e426b37aff44ede417192d
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SSDEEP
49152:yWRN8FlMWhpRkI91qIQ855/rMIzpwpibr5K6Rb2zAlosZ3QQw0Nlzwpp:yWRmFlMELkI3FzMIzpwpiRKQbjG0r5Ns
Static task
static1
Behavioral task
behavioral1
Sample
krampus (1).zip
Resource
win10-20240404-en
Malware Config
Targets
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Target
krampus (1).zip
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Size
2.4MB
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MD5
a6ff8476134d69ac2805e9fe6fc8a00d
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SHA1
474821d771064683c3fb243b4ab36b3907b3d423
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SHA256
d3b861fab82e305bc0ed504731aa44fbe4717ef1536c7e7a3049b722d95e4c12
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SHA512
90f3070e11432194661fffb566526c5bd02d6dfa5daefd8e9f23b5d8ea46fb5e2a06d60385edcd4f93fe401d696f642dea21fb5686e426b37aff44ede417192d
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SSDEEP
49152:yWRN8FlMWhpRkI91qIQ855/rMIzpwpibr5K6Rb2zAlosZ3QQw0Nlzwpp:yWRmFlMELkI3FzMIzpwpiRKQbjG0r5Ns
Score8/10-
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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Sets file execution options in registry
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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