General
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Target
file.exe
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Size
4MB
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Sample
230127-nvkhmsac96
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MD5
ba8169b60bd162597bc91a492acbe9f0
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SHA1
fe39cd7badbc1740c686648f57083eb666ad8df8
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SHA256
1290f9754a269d7cf6c4be336b347e0012aede4df4fee545eed7426efddc1c4d
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SHA512
3939b924cdc72f77555d5f71c5767b10b0dbf52d6f4bdcab5b2e6d87402a89a3899c4d85e537a86ad1346dbfb0c47e05e5d3a96a1d6dc7be01c644627cdc1258
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SSDEEP
98304:ohbbxS7P7CbM5zD6sILTjblMS0uQvEgKNDDHoY3gnN9lMRmtbK3cNA:ohoi4osI3jhMSNQsgkDLoYwnFymRfNA
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Malware Config
Targets
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Target
file.exe
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Size
4MB
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MD5
ba8169b60bd162597bc91a492acbe9f0
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SHA1
fe39cd7badbc1740c686648f57083eb666ad8df8
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SHA256
1290f9754a269d7cf6c4be336b347e0012aede4df4fee545eed7426efddc1c4d
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SHA512
3939b924cdc72f77555d5f71c5767b10b0dbf52d6f4bdcab5b2e6d87402a89a3899c4d85e537a86ad1346dbfb0c47e05e5d3a96a1d6dc7be01c644627cdc1258
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SSDEEP
98304:ohbbxS7P7CbM5zD6sILTjblMS0uQvEgKNDDHoY3gnN9lMRmtbK3cNA:ohoi4osI3jhMSNQsgkDLoYwnFymRfNA
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation