General
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Target
file.exe
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Size
3.0MB
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Sample
231012-l33m3scb71
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MD5
4a62a863daffe988e9a1fe126234dbbd
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SHA1
6e9c2ca97366ce733e4f88ccb4e6d6411efaa208
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SHA256
531b98c17443cbcf4e821e91f5b84cae088f30f7c1157c63bcf7f90f105e6c85
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SHA512
62887e4ca8b50825084bbcf1e8fd1da032a8794cca432965194b5020e7679bb4a902953e0173964a4da04fad2183a7d7e0af7d64d4411c1567e69087ba1af70d
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SSDEEP
49152:hN94VVApj6nT2eMYmM4i6haea0GNG7f+Mj1zP/zEv8m7kRDxP/SpMTCnzK8ZTXfi:JUaj6CD0maxzNGPjhzEloxbMZ7re
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
risepro
194.169.175.128
Targets
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Target
file.exe
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Size
3.0MB
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MD5
4a62a863daffe988e9a1fe126234dbbd
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SHA1
6e9c2ca97366ce733e4f88ccb4e6d6411efaa208
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SHA256
531b98c17443cbcf4e821e91f5b84cae088f30f7c1157c63bcf7f90f105e6c85
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SHA512
62887e4ca8b50825084bbcf1e8fd1da032a8794cca432965194b5020e7679bb4a902953e0173964a4da04fad2183a7d7e0af7d64d4411c1567e69087ba1af70d
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SSDEEP
49152:hN94VVApj6nT2eMYmM4i6haea0GNG7f+Mj1zP/zEv8m7kRDxP/SpMTCnzK8ZTXfi:JUaj6CD0maxzNGPjhzEloxbMZ7re
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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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Drops startup file
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1