General
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Target
BruteL4-DDOS.exe
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Size
11.5MB
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Sample
240629-rk974ayhje
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MD5
cb885b1cae29af6524d341c65e486828
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SHA1
ef35f45fd7378e8fd31cd60f72bde21e75d61ada
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SHA256
bd95ec107878109859ff396ef71c76eb801ed4b25a167b49c8f0b8e112fbe361
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SHA512
9086e5a01178134876311086b14798e17d57f960c280b019e8f7e33fb68cdc494eb9be32918ec10314d8b8dfe289281567c82d132f1a5cf98288b8f133df2cde
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SSDEEP
196608:it1/NlcaCs41CIpX5kuyN7PaxTCv3Dl6TzMjqWEocUlMh7G0B43aK8Uut3kWXWK9:C/YDj1CCh2zax+vz0mazUWG0q3pZU0vq
Behavioral task
behavioral1
Sample
BruteL4-DDOS.exe
Resource
win7-20240508-en
Malware Config
Targets
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Target
BruteL4-DDOS.exe
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Size
11.5MB
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MD5
cb885b1cae29af6524d341c65e486828
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SHA1
ef35f45fd7378e8fd31cd60f72bde21e75d61ada
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SHA256
bd95ec107878109859ff396ef71c76eb801ed4b25a167b49c8f0b8e112fbe361
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SHA512
9086e5a01178134876311086b14798e17d57f960c280b019e8f7e33fb68cdc494eb9be32918ec10314d8b8dfe289281567c82d132f1a5cf98288b8f133df2cde
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SSDEEP
196608:it1/NlcaCs41CIpX5kuyN7PaxTCv3Dl6TzMjqWEocUlMh7G0B43aK8Uut3kWXWK9:C/YDj1CCh2zax+vz0mazUWG0q3pZU0vq
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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