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Analysis
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max time kernel
73s -
max time network
79s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
09/10/2022, 00:45
General
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Target
Install.exe
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Size
686.6MB
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MD5
436c4290282bda086d3a38ae2ea5c2f5
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SHA1
c69e9b7ba4967be00330053ba6b152f8393da612
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SHA256
0fd1f535929f90d75a59c57a8b33e4fb40381bb7ee31b3c18c10cb7c8d6599a3
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SHA512
ca1efea143c0e73b9c50afeaf0826da24373990c93b176f84e2576596b5296a38765db6710becab1c1829a5a1dba84eb34504f79ae0d55964a845e66a0aab15b
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SSDEEP
98304:ULX0zHX9KZlxm8pNeRNO+eL1nZ779wnqRJh3kMDpzzY8:qXsHX9KmDJeLj9i4nda8
Malware Config
Signatures
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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) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer 10 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory 4 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Install.exe"C:\Users\Admin\AppData\Local\Temp\Install.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
10.6MB
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Filesize
1.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
1.6MB
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Filesize
10.6MB
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Filesize
1.6MB