Analysis
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max time kernel
137s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2023 14:11
Static task
static1
Behavioral task
behavioral1
Sample
Install.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Install.exe
Resource
win10v2004-20230220-en
General
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Target
Install.exe
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Size
691.0MB
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MD5
00a76ad22e39b5c3e608d150f2bc3f0e
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SHA1
6271ff704ac6d0d1832b1bb168326a5599f7ead7
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SHA256
a5d43ac144de8d9ab77c4854715bdc6b03d00bd362c115eedd53b8242a0236ca
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SHA512
33e98cdece9a6af7398131a2cb33d6cccaff7e113070099c1d6154a70a5af21c050f166c7cbfa54874b38976f329777d11b322ec883d62b4959d58e3344e923c
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SSDEEP
98304:MSba1ebfe+7IA01oWDXUArOfDUucka/VftJAw3jgfw8zVkLzcev2G7:Bbf2AIoWrUo5kVagfw8asl
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-1-5-21-144354903-2550862337-1367551827-1000\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 19 ipinfo.io 20 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
Install.exedescription ioc process 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 File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol Install.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Install.exepid process 3676 Install.exe 3676 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/3676-133-0x0000000000400000-0x0000000000EB3000-memory.dmpFilesize
10.7MB
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memory/3676-134-0x0000000000400000-0x0000000000EB3000-memory.dmpFilesize
10.7MB
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memory/3676-136-0x0000000000400000-0x0000000000EB3000-memory.dmpFilesize
10.7MB
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memory/3676-147-0x0000000000400000-0x0000000000EB3000-memory.dmpFilesize
10.7MB
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memory/3676-154-0x0000000000400000-0x0000000000EB3000-memory.dmpFilesize
10.7MB