Analysis
- max time kernel
142s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
26/05/2024, 07:58
Behavioral task
behavioral1
Sample
6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
Resource
win7-20240221-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
Resource
win10v2004-20240508-en
9 signatures
150 seconds
General
- Target 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
- Size 6.6MB
- Sample240526-jtylnacf92
- SHA256 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e
- MD5 f0587649682207064554a2372966435d
- SHA1 2e8b948dfcffceb8acf550a585d2ea127f28f41f
- SHA512 f5d683b9f71f5f3647d0592f801c02f1dcea7eb49b16fa2e481487d0abc1770610dc9182148a68f749b19950fc3b122911ae0fd1b167ce5dde31931a14b45fdd
- SSDEEP 49152:/d84kqSab6V599+xS6Zokh5QK4SbHo/xak/tMw1NxcwCr4RCmUUdr5snBK0PSGUh:/G4kwGb948Aok/+OwVRcwksVsnkL7
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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" 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe - PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe -
resource yara_rule behavioral2/memory/4068-0-0x0000000140000000-0x0000000140DF9000-memory.dmp themida behavioral2/memory/4068-7-0x0000000140000000-0x0000000140DF9000-memory.dmp themida behavioral2/memory/4068-8-0x0000000140000000-0x0000000140DF9000-memory.dmp themida behavioral2/memory/4068-9-0x0000000140000000-0x0000000140DF9000-memory.dmp themida behavioral2/memory/4068-6-0x0000000140000000-0x0000000140DF9000-memory.dmp themida behavioral2/memory/4068-18-0x0000000140000000-0x0000000140DF9000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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.
flow ioc 14 ipinfo.io 15 ipinfo.io 8 api.myip.com 9 api.myip.com - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4068 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe 4068 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe"C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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
PID:4068
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3712
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:468
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:81⤵PID:1244