Analysis
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max time kernel
142s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 08:50
Behavioral task
behavioral1
Sample
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
Resource
win10v2004-20240426-en
General
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Target
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
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Size
6.6MB
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MD5
04196b8a0869c9f19b3805b4f861a0e1
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SHA1
8ed2478e15af46fa12059bc2e47cc638f3238fb0
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SHA256
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973
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SHA512
84f9f1de0c8bacce56917e401b8d5ff6a5613b9e231877e8d8be37bdfc03718605f2de39066bafb7fa44435d6eab840ed9c4868716d5127c86f2111b24786e82
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SSDEEP
98304:txondzNbVrqNn9C18EPukfT6fys71nMBEKew2OfVcc:LSbqNn9C1LfT6nyBEKew2OfVcc
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 1 IoCs
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe -
PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe -
Processes:
resource yara_rule behavioral2/memory/5044-0-0x0000000140000000-0x0000000140E05000-memory.dmp themida behavioral2/memory/5044-6-0x0000000140000000-0x0000000140E05000-memory.dmp themida behavioral2/memory/5044-5-0x0000000140000000-0x0000000140E05000-memory.dmp themida behavioral2/memory/5044-4-0x0000000140000000-0x0000000140E05000-memory.dmp themida behavioral2/memory/5044-7-0x0000000140000000-0x0000000140E05000-memory.dmp themida behavioral2/memory/5044-16-0x0000000140000000-0x0000000140E05000-memory.dmp themida -
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.myip.com 12 ipinfo.io 13 ipinfo.io 5 api.myip.com -
Drops file in System32 directory 4 IoCs
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe File opened for modification C:\Windows\System32\GroupPolicy 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exepid process 5044 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe 5044 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe"C:\Users\Admin\AppData\Local\Temp\34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe"1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
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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⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/5044-0-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-1-0x00007FFC00000000-0x00007FFC00002000-memory.dmpFilesize
8KB
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memory/5044-2-0x00007FFC00030000-0x00007FFC00031000-memory.dmpFilesize
4KB
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memory/5044-3-0x00007FFC1FE30000-0x00007FFC1FE32000-memory.dmpFilesize
8KB
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memory/5044-6-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-5-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-4-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-7-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-8-0x00007FFC1FD90000-0x00007FFC1FF85000-memory.dmpFilesize
2.0MB
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memory/5044-16-0x0000000140000000-0x0000000140E05000-memory.dmpFilesize
14.0MB
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memory/5044-17-0x00007FFC00000000-0x00007FFC00002000-memory.dmpFilesize
8KB
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memory/5044-19-0x00007FFC1FD90000-0x00007FFC1FF85000-memory.dmpFilesize
2.0MB