General
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Target
file.exe
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Size
5.9MB
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Sample
230328-pl66qacf3x
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MD5
969ab9f5cfe7abf620343eb06a4bb3ba
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SHA1
dfe71fc1701d2bf4838fd73bff1c1c0aae8afb72
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SHA256
1fccd74cbbb38e31c5119188f94e4cc9279f3cf0bc568f0469cdbe62ab330c5d
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SHA512
5bf7b73b850a618229661fad583bd65e2f13abde0a43e82abca36cc86cef36e476f5b03db1a7428ff470e9234deaa7b5711e37a6e5149dcbdfb47f16543cdb04
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SSDEEP
98304:/GPNMP31DLIgWIeapkz8cWBP2ASpDSQXQ3zFvO2v7+JFn3ZVK:/GFWVIFzhWdS9XQ3zF5Dm3ZVK
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
file.exe
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Size
5.9MB
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MD5
969ab9f5cfe7abf620343eb06a4bb3ba
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SHA1
dfe71fc1701d2bf4838fd73bff1c1c0aae8afb72
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SHA256
1fccd74cbbb38e31c5119188f94e4cc9279f3cf0bc568f0469cdbe62ab330c5d
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SHA512
5bf7b73b850a618229661fad583bd65e2f13abde0a43e82abca36cc86cef36e476f5b03db1a7428ff470e9234deaa7b5711e37a6e5149dcbdfb47f16543cdb04
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SSDEEP
98304:/GPNMP31DLIgWIeapkz8cWBP2ASpDSQXQ3zFvO2v7+JFn3ZVK:/GFWVIFzhWdS9XQ3zF5Dm3ZVK
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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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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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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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