Analysis
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max time kernel
149s -
max time network
98s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-06-2024 12:28
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/3840-0-0x00007FF69E650000-0x00007FF69EF51000-memory.dmp themida behavioral1/memory/3840-2-0x00007FF69E650000-0x00007FF69EF51000-memory.dmp themida behavioral1/memory/3840-3-0x00007FF69E650000-0x00007FF69EF51000-memory.dmp themida behavioral1/memory/3840-4-0x00007FF69E650000-0x00007FF69EF51000-memory.dmp themida behavioral1/memory/3840-5-0x00007FF69E650000-0x00007FF69EF51000-memory.dmp themida behavioral1/memory/3840-6-0x00007FF69E650000-0x00007FF69EF51000-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 3840 nyxia external.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe -
Modifies registry class 1 IoCs
Processes:
taskmgr.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000_Classes\Local Settings taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
nyxia external.exetaskmgr.exepid process 3840 nyxia external.exe 3840 nyxia external.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
taskmgr.exepid process 3972 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
taskmgr.exedescription pid process Token: SeDebugPrivilege 3972 taskmgr.exe Token: SeSystemProfilePrivilege 3972 taskmgr.exe Token: SeCreateGlobalPrivilege 3972 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
taskmgr.exepid process 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
taskmgr.exepid process 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.exe 3972 taskmgr.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:3840
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /01⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3972
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4316