General
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Target
file.exe
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Size
4.3MB
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Sample
230321-a33gjaaa4z
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MD5
d80448b684ce5ebb82305199177c428c
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SHA1
b5aad338c6f026442c18b3ea515abcb7bdb2c0e4
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SHA256
92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629
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SHA512
5dd639188abebbcd3b7a1868ee156b1574316ee7d1f51b6cd8767a50415256d224932b54a9b95d263e499c0619f35e65823e98957e7675bb3ab8654e562462f1
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SSDEEP
49152:tRcTFkJWRR1WFKymfGEbpzGgcroQsgZ7fh7hNwGi8owARjHZn7/goiSGGYswUNM:/IFkJWgUzeepzGgcroxglJmRGGYsw0M
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Malware Config
Targets
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Target
file.exe
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Size
4.3MB
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MD5
d80448b684ce5ebb82305199177c428c
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SHA1
b5aad338c6f026442c18b3ea515abcb7bdb2c0e4
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SHA256
92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629
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SHA512
5dd639188abebbcd3b7a1868ee156b1574316ee7d1f51b6cd8767a50415256d224932b54a9b95d263e499c0619f35e65823e98957e7675bb3ab8654e562462f1
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SSDEEP
49152:tRcTFkJWRR1WFKymfGEbpzGgcroQsgZ7fh7hNwGi8owARjHZn7/goiSGGYswUNM:/IFkJWgUzeepzGgcroxglJmRGGYsw0M
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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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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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