Analysis
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max time kernel
142s -
max time network
115s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-05-2024 13:54
Behavioral task
behavioral1
Sample
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
Resource
win11-20240426-en
General
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Target
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
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Size
6.3MB
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MD5
1306e81bc13677c04abe69a1d2ca4e12
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SHA1
71e0de1475bbdfd9d244613d733ef33cf531e89c
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SHA256
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d
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SHA512
413f356c8f556e720b0677d88e1d4328a21983e6ffc0f1c49ac19bde9df5e787409e2d7520e557ee7eeee39377140bc2a756aa2eb959c7b397ac3a7b124f86f2
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SSDEEP
98304:vMlj6Zrx1GIpunUNmw6M47l6xhi91sq0Na3PNSw+i35dbX7MztyszU:EluZrf6nUeNlv91sFA3lEk5dbX7Mz8V
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 1 IoCs
Processes:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe -
Processes:
resource yara_rule behavioral2/memory/1456-0-0x0000000140000000-0x0000000140C37000-memory.dmp themida behavioral2/memory/1456-9-0x0000000140000000-0x0000000140C37000-memory.dmp themida behavioral2/memory/1456-10-0x0000000140000000-0x0000000140C37000-memory.dmp themida behavioral2/memory/1456-8-0x0000000140000000-0x0000000140C37000-memory.dmp themida behavioral2/memory/1456-11-0x0000000140000000-0x0000000140C37000-memory.dmp themida behavioral2/memory/1456-19-0x0000000140000000-0x0000000140C37000-memory.dmp themida -
Processes:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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 7 ipinfo.io 5 api.myip.com 5 ipinfo.io 6 api.myip.com -
Drops file in System32 directory 4 IoCs
Processes:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exepid process 1456 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe 1456 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe"C:\Users\Admin\AppData\Local\Temp\9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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/1456-0-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-4-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-5-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-3-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-2-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-6-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-1-0x00007FFAEC8CA000-0x00007FFAEC8CB000-memory.dmpFilesize
4KB
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memory/1456-7-0x00007FFAEC8B0000-0x00007FFAEC96D000-memory.dmpFilesize
756KB
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memory/1456-9-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-10-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-8-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-11-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-19-0x0000000140000000-0x0000000140C37000-memory.dmpFilesize
12.2MB
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memory/1456-20-0x00007FFAEC8CA000-0x00007FFAEC8CB000-memory.dmpFilesize
4KB