Analysis
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max time kernel
17s -
max time network
19s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 09:14
Behavioral task
behavioral1
Sample
Release/Nyx.exe
Resource
win7-20240419-en
General
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Target
Release/Nyx.exe
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Size
3.5MB
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MD5
00ec60cd1add4a2f61e48c7b0a6c810f
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SHA1
174af7f09725d67d522e65066d3e3662da50a4e2
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SHA256
df4da6874570d3e753519898684bbad60378725d24f9557f5d5294fcfd795a29
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SHA512
244afaa72bea7b46633dbaf79bdac388dfaf190e88d3a7675d16b36cfaeb39e9b47f1dc6ac1ddc059c64e091dfff562460ac83f9e669e42c3f90ac9fc44c1003
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SSDEEP
98304:zcwncs4fUCBRTna03MfhwbIZosECIMRvl:Ywnc3HdahZ4IgCr
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
Nyx.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Nyx.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Nyx.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Nyx.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Nyx.exe -
Processes:
resource yara_rule behavioral2/memory/1916-10-0x0000000000580000-0x0000000000EC0000-memory.dmp themida behavioral2/memory/1916-11-0x0000000000580000-0x0000000000EC0000-memory.dmp themida behavioral2/memory/1916-28-0x0000000000580000-0x0000000000EC0000-memory.dmp themida -
Processes:
Nyx.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Nyx.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Nyx.exepid process 1916 Nyx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Nyx.exepid process 1916 Nyx.exe 1916 Nyx.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
Nyx.exepid process 1916 Nyx.exe 1916 Nyx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Release\Nyx.exe"C:\Users\Admin\AppData\Local\Temp\Release\Nyx.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\werfault.exewerfault.exe /h /shared Global\dc06ac9f2ffe4921b515079be4d231c7 /t 3656 /p 19161⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1916-0-0x0000000000580000-0x0000000000EC0000-memory.dmpFilesize
9.2MB
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memory/1916-1-0x0000000076FC0000-0x0000000076FC1000-memory.dmpFilesize
4KB
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memory/1916-5-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-4-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-3-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-2-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-6-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-7-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-10-0x0000000000580000-0x0000000000EC0000-memory.dmpFilesize
9.2MB
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memory/1916-11-0x0000000000580000-0x0000000000EC0000-memory.dmpFilesize
9.2MB
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memory/1916-12-0x0000000006CC0000-0x0000000007264000-memory.dmpFilesize
5.6MB
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memory/1916-13-0x00000000039B0000-0x0000000003A42000-memory.dmpFilesize
584KB
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memory/1916-14-0x0000000003A60000-0x0000000003A6A000-memory.dmpFilesize
40KB
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memory/1916-15-0x00000000072D0000-0x000000000732C000-memory.dmpFilesize
368KB
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memory/1916-16-0x0000000007480000-0x00000000075CE000-memory.dmpFilesize
1.3MB
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memory/1916-17-0x0000000003D90000-0x0000000003DA4000-memory.dmpFilesize
80KB
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memory/1916-18-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-19-0x000000000A640000-0x000000000A65A000-memory.dmpFilesize
104KB
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memory/1916-20-0x000000000A880000-0x000000000A930000-memory.dmpFilesize
704KB
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memory/1916-21-0x000000000B4A0000-0x000000000BC46000-memory.dmpFilesize
7.6MB
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memory/1916-23-0x0000000000580000-0x0000000000EC0000-memory.dmpFilesize
9.2MB
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memory/1916-24-0x0000000076FC0000-0x0000000076FC1000-memory.dmpFilesize
4KB
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memory/1916-25-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-27-0x0000000076FA0000-0x0000000077090000-memory.dmpFilesize
960KB
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memory/1916-28-0x0000000000580000-0x0000000000EC0000-memory.dmpFilesize
9.2MB