Analysis
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max time kernel
6s -
max time network
9s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10-06-2024 14:00
General
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Target
nyxia external.exe
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Size
3.3MB
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MD5
51393a0442f9c01f59a597b1218887c8
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SHA1
2b48afc21ab4a30dd6b8ce4d8907c9062fb4d95c
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SHA256
19bddef132af20da74c89fb263b1ae89f9762eba06382e69cccdfc9048e45917
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SHA512
f492083b0b3cb86b4367da9fd7040b49de9d9643fef7f61b77815f761b0bec9eae3a61fdebe549ff1f9cf97c8b53cd7f7c44df4501f9a0f9baca87b502ac9de2
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SSDEEP
49152:ZPk827hGqT5yCL8FBo+IvuxVDK5rdynF4hNhLus6E9ku/8vpsS2vaovBlZ58aotR:Z88ypGOV0sPuvpsSIaM50tZjlBtB4I
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
nyxia external.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ nyxia external.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
nyxia external.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion nyxia external.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion nyxia external.exe -
Processes:
resource yara_rule behavioral1/memory/1360-0-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida behavioral1/memory/1360-2-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida behavioral1/memory/1360-3-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida behavioral1/memory/1360-4-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida behavioral1/memory/1360-5-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida behavioral1/memory/1360-6-0x00007FF745430000-0x00007FF745D31000-memory.dmp themida -
Processes:
nyxia external.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA nyxia external.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
nyxia external.exepid process 1360 nyxia external.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
nyxia external.exepid process 1360 nyxia external.exe 1360 nyxia external.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\nyxia external.exe"C:\Users\Admin\AppData\Local\Temp\nyxia external.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
PID:1360
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/1360-0-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB
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memory/1360-1-0x00007FFDED910000-0x00007FFDED912000-memory.dmpFilesize
8KB
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memory/1360-2-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB
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memory/1360-3-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB
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memory/1360-4-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB
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memory/1360-5-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB
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memory/1360-6-0x00007FF745430000-0x00007FF745D31000-memory.dmpFilesize
9.0MB