Analysis
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max time kernel
127s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
02-02-2023 12:45
General
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Target
Install.exe
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Size
684.7MB
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MD5
7b1891c680f6ed2164ba0e1111685e59
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SHA1
6edc16a653d8386503c85b8d6808fe23cff4b8d4
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SHA256
80b627c3ba8a4f128f7b2e9a06988a95e6db084f29c66fb43ca3491d4d847fb8
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SHA512
3e3496a6cd4990ba69613cb33d889513f3a08cde6af6b3946070f58f6e2bb01c4014236200dfdd9c943065beb2d4d8d42c5b3e902af80187c460bd6ffe80cc6f
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SSDEEP
196608:ZKXGveJUwY3JEnr0AZF5OMdyBLMmkKJDACfjttklWe:ZKXPEanYAZqMoAYMCfjj/
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 9 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 6 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 Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1496-132-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-133-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-134-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-135-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-136-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-137-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-138-0x00000000772E0000-0x0000000077483000-memory.dmpFilesize
1.6MB
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memory/1496-139-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-140-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-141-0x0000000000A10000-0x000000000149C000-memory.dmpFilesize
10.5MB
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memory/1496-142-0x00000000772E0000-0x0000000077483000-memory.dmpFilesize
1.6MB