Analysis
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max time kernel
53s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-10-2022 00:43
Behavioral task
behavioral1
Sample
Install.exe
Resource
win7-20220901-en
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
Processes:
Install.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Install.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Install.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Install.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Install.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Install.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation Install.exe -
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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Processes:
resource yara_rule behavioral1/memory/1304-55-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-56-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-57-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-59-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-60-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-62-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-61-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-63-0x0000000000D00000-0x00000000017A1000-memory.dmp themida behavioral1/memory/1304-64-0x0000000000D00000-0x00000000017A1000-memory.dmp themida -
Processes:
Install.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Install.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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.
Processes:
flow ioc 5 ipinfo.io 4 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
Install.exedescription ioc process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol Install.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI Install.exe File opened for modification C:\Windows\System32\GroupPolicy Install.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini Install.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Install.exepid process 1304 Install.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Install.exepid process 1304 Install.exe 1304 Install.exe
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1304-54-0x00000000762E1000-0x00000000762E3000-memory.dmpFilesize
8KB
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memory/1304-55-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-56-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-57-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-58-0x0000000077B70000-0x0000000077CF0000-memory.dmpFilesize
1.5MB
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memory/1304-59-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-60-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-62-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-61-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-63-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-64-0x0000000000D00000-0x00000000017A1000-memory.dmpFilesize
10.6MB
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memory/1304-65-0x0000000077B70000-0x0000000077CF0000-memory.dmpFilesize
1.5MB