General
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Target
install.exe
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Size
5MB
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Sample
230109-qc1g9aec44
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MD5
cc8618f1849063da10e5cae0e5ae10e9
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SHA1
9c3f426af7d3631fe098a4279170147623b8c6d7
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SHA256
730cdb4e43116e24a85393ff36bf5abdd467543e0df6a93b5c957cba38eb004d
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SHA512
f1222e54d51342a9e7fe0ee846a0c206f4e39b344d2534a83fadaf21e1f0d6dbcc4a065b135d78b5fa70f6530013b047e662eeafc2b2827bf63eca2ef31d65af
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SSDEEP
98304:6aefkdb1p/LtGyTjTxyB58V+asD+rE/Y3Fxh3+rSvd9PSWojTj9SlZLqLRZON82:N1BpVPsyuYzhurSvd9kBLTON82
Behavioral task
behavioral1
Sample
install.exe
Resource
win7-20220812-en
Malware Config
Targets
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Target
install.exe
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Size
5MB
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MD5
cc8618f1849063da10e5cae0e5ae10e9
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SHA1
9c3f426af7d3631fe098a4279170147623b8c6d7
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SHA256
730cdb4e43116e24a85393ff36bf5abdd467543e0df6a93b5c957cba38eb004d
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SHA512
f1222e54d51342a9e7fe0ee846a0c206f4e39b344d2534a83fadaf21e1f0d6dbcc4a065b135d78b5fa70f6530013b047e662eeafc2b2827bf63eca2ef31d65af
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SSDEEP
98304:6aefkdb1p/LtGyTjTxyB58V+asD+rE/Y3Fxh3+rSvd9PSWojTj9SlZLqLRZON82:N1BpVPsyuYzhurSvd9kBLTON82
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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