Analysis
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max time kernel
127s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-es -
resource tags
arch:x64arch:x86image:win10v2004-20221111-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
28-01-2023 10:18
Static task
static1
Behavioral task
behavioral1
Sample
Install.exe
Resource
win7-20221111-es
Behavioral task
behavioral2
Sample
Install.exe
Resource
win10v2004-20221111-es
General
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Target
Install.exe
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Size
729.6MB
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MD5
121e7ee3548a56d024e824513b08ac81
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SHA1
7055b9de7eed8576f8724f0992db7a62a8cf4e8b
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SHA256
98eee2c36e487ee7f54a2bb8ff857555058d66e585438b09322160f0ec11c794
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SHA512
c2e9f5fdf986b48a34c8e88088048480ca532c10adca3ec73630cfeaea837e30b26b1e0a487cea880bbd154141cbcd124d77b8565e64546f38920f775661f58e
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SSDEEP
98304:HzmwKsChzp3/ymrfiyxvOKfTSQIytdNLyTmKEK6xkpqynNJMBsVCn7Y:CwKsozBbyKOQIyzxqIynNJisVq7Y
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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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-1-5-21-2971393436-602173351-1645505021-1000\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 6 ipinfo.io 7 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 724 Install.exe 724 Install.exe 724 Install.exe 724 Install.exe 724 Install.exe 724 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 -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
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Downloads
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memory/724-132-0x0000000000AD0000-0x0000000001464000-memory.dmpFilesize
9.6MB
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memory/724-135-0x0000000000AD0000-0x0000000001464000-memory.dmpFilesize
9.6MB
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memory/724-136-0x0000000000AD0000-0x0000000001464000-memory.dmpFilesize
9.6MB
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memory/724-137-0x0000000000AD0000-0x0000000001464000-memory.dmpFilesize
9.6MB