Analysis
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max time kernel
94s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-06-2024 12:33
Behavioral task
behavioral1
Sample
nyxia external.exe
Resource
win7-20240508-en
7 signatures
150 seconds
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 behavioral2/memory/2728-0-0x00007FF6214D0000-0x00007FF621DD1000-memory.dmp themida behavioral2/memory/2728-2-0x00007FF6214D0000-0x00007FF621DD1000-memory.dmp themida behavioral2/memory/2728-3-0x00007FF6214D0000-0x00007FF621DD1000-memory.dmp themida behavioral2/memory/2728-4-0x00007FF6214D0000-0x00007FF621DD1000-memory.dmp themida behavioral2/memory/2728-5-0x00007FF6214D0000-0x00007FF621DD1000-memory.dmp themida behavioral2/memory/2728-6-0x00007FF6214D0000-0x00007FF621DD1000-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 2728 nyxia external.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
nyxia external.exepid process 2728 nyxia external.exe 2728 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:2728