Analysis
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max time kernel
121s -
max time network
112s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30/05/2024, 13:17
Static task
static1
Behavioral task
behavioral1
Sample
8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe
Resource
win11-20240508-en
General
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Target
8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe
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Size
7.8MB
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MD5
9b73b0054185022266014a06aa83b5b7
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SHA1
7b2cf66877aca0bb03a5bf88c2351f097932f3c8
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SHA256
8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049
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SHA512
1781f52a9111e7d5769643041d9b3a8c04ff5350c8327d2682ff194c8427622b3432cfe234b6b35484a7540f2fb38da4c8733ef490e5bed165b085abea531a65
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SSDEEP
196608:/V/HCDQXFsQCflWEFYMxy21YpVwcmjeOSB43IM091PkXn/WV:/QDaFEFYMxy21YpVwpNSq091Pkq
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" 8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.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 2 api.myip.com 3 api.myip.com 6 ipinfo.io 7 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy 8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe"C:\Users\Admin\AppData\Local\Temp\8c4108d277eeef1facfdb3af7202d319d5ca8fa7246047c67138609dfac05049.exe"1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:4952
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3008
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2440
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
127B
MD58ef9853d1881c5fe4d681bfb31282a01
SHA1a05609065520e4b4e553784c566430ad9736f19f
SHA2569228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
SHA5125ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005