Analysis
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max time kernel
125s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2023 18:44
Behavioral task
behavioral1
Sample
Install.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Install.exe
Resource
win10v2004-20221111-en
General
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Target
Install.exe
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Size
721.9MB
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MD5
a87e7d5f6d35659e4ff7be3e1042dd73
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SHA1
7dfee6208e25895554e81f1100b440335375e440
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SHA256
59826fe0729b3136b0c8cec1e7cba02abd73a8c929fe4bd6e08c6407b68c1d61
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SHA512
30b7337ab63c9f817dd897612f6ee749fcfc8cd755e7cc889e06e45f5fe20e1fcbeaa1aebe46364aef96c9e548c085b5ad80d61eb5b095115290189a2f492fc4
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SSDEEP
98304:kou1p/gqwdtHsuW2h/Eu84j8621QqwqSIc3S6iR8a1sSaKlTp945S+OF:1MplutMut7hjkHHMi6iRNaQpi53
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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Processes:
resource yara_rule behavioral2/memory/1584-132-0x0000000000BF0000-0x000000000170F000-memory.dmp vmprotect behavioral2/memory/1584-135-0x0000000000BF0000-0x000000000170F000-memory.dmp vmprotect behavioral2/memory/1584-136-0x0000000000BF0000-0x000000000170F000-memory.dmp vmprotect -
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-1-5-21-2386679933-1492765628-3466841596-1000\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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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 20 ipinfo.io 21 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
Install.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy Install.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini Install.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol Install.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI Install.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
Install.exepid process 1584 Install.exe 1584 Install.exe 1584 Install.exe 1584 Install.exe 1584 Install.exe 1584 Install.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Install.exe"C:\Users\Admin\AppData\Local\Temp\Install.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- 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⤵