Analysis
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max time kernel
146s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
05-09-2022 10:20
General
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Target
Install.exe
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Size
435.0MB
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MD5
2a27acc2f6b26b15d6d839d43a6b6bc0
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SHA1
661dca9bd343226ae54da0e21f12ef1e181b1776
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SHA256
006fd40f696d274a44535fcf35d6130445842b148115db48c5b859a8519cdc77
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SHA512
ebf8bfdf7529429a400ad39d473da0e43752c6cd16dffaadd067e38b3e0c9991664217d15931a73f7f78a0160cdbd4f5710699d2f293c1638ae8d1ed5f7940ee
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SSDEEP
98304:Ak/AHdxT8BEU8MkJwe65adTX4a2tYsUxKr76hwrrKqdSlwrWL:Ak/i8jkJjLd8a2UxIzGwyL
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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Downloads MZ/PE file
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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 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 -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
1.6MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
11.7MB
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Filesize
1.6MB