General
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Target
Install.exe
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Size
6.7MB
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Sample
230109-d7j3jagd81
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MD5
4b9e8b2f3ea2608442a84b93c3b04545
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SHA1
8b4d08b15fc86adf6c7783b8e88cd313f012674e
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SHA256
f96864b6f9c6af50b4f71073ea5396e96c5b80bc3024a1531064f43b34497d12
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SHA512
0248bee7ba26dcbd086a9c719b8463e013e0121ebcfe3b70f04fb7cd99f2e3da54b243aed3c1e59f7df9fd54717d153999f72a58f53dddcfc757a9ccbb85d811
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SSDEEP
196608:7ZH239wkNJymM3IhIKrO1lrG6uFuCkSZnb7d:NH239zTywng8J1Zb7d
Behavioral task
behavioral1
Sample
Install.exe
Resource
win7-20221111-en
Malware Config
Targets
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Target
Install.exe
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Size
6.7MB
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MD5
4b9e8b2f3ea2608442a84b93c3b04545
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SHA1
8b4d08b15fc86adf6c7783b8e88cd313f012674e
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SHA256
f96864b6f9c6af50b4f71073ea5396e96c5b80bc3024a1531064f43b34497d12
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SHA512
0248bee7ba26dcbd086a9c719b8463e013e0121ebcfe3b70f04fb7cd99f2e3da54b243aed3c1e59f7df9fd54717d153999f72a58f53dddcfc757a9ccbb85d811
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SSDEEP
196608:7ZH239wkNJymM3IhIKrO1lrG6uFuCkSZnb7d:NH239zTywng8J1Zb7d
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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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