Analysis
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max time kernel
120s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe
Resource
win10v2004-20240426-en
General
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Target
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe
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Size
7.5MB
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MD5
38237ea00fadf39c8fec0f671bc9322e
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SHA1
7a0b99f23cd3010436d8eedbdac2dfe53ad87a45
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SHA256
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83
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SHA512
c7a4df2656ac28ceaa41ef02d0e1e3cc8c267a412598ddcbecd72b01a79c0fa67b5586387be4a057809b8d7697011f3dd23b453b708e5c394779890fcda1b013
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SSDEEP
98304:7ipBm2QwER2Fj048afk8Xxmon2Kq81mSU8r6qT/p9eRsCSZcKX9E6nyott3J8:7C8SER2Oas2mo1Fmr8r66x7ZZN2
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe -
PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.myip.com 9 api.myip.com 14 ipinfo.io 16 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe"C:\Users\Admin\AppData\Local\Temp\a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe"1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:1252
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1012
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2720