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Analysis
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max time kernel
74s -
max time network
76s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
30/04/2024, 14:45
Behavioral task
behavioral1
Sample
SimuliaLicensePatcher.exe
Resource
win7-20240221-en
5 signatures
150 seconds
General
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Target
SimuliaLicensePatcher.exe
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Size
7.7MB
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MD5
4bca154d91fa2592f11f730988a106cd
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SHA1
c244e509538a64f6e4ccd41d13b808f4f9bcda0b
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SHA256
085e02519e34bbd0428bdc818ed5dc30fa987c4914f9b5bd9ca1b5e404fbf738
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SHA512
d70cb3ba385dbda8a1b7a763aaa4c093f8f912e7bfb5d955b64cfcb34f6c280ab3a4d47acc59d4b67f9791f194b88bb9697d177b9aced8850e3bcde13bd00124
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SSDEEP
196608:LytYizJjKD9Y4o5aBV2uzE0FQxidgM4RwZ+:mxe9UiVpZaIdMRp
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ SimuliaLicensePatcher.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion SimuliaLicensePatcher.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion SimuliaLicensePatcher.exe -
resource yara_rule behavioral2/memory/2400-10-0x0000000000210000-0x000000000138E000-memory.dmp themida behavioral2/memory/2400-11-0x0000000000210000-0x000000000138E000-memory.dmp themida behavioral2/memory/2400-16-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-15-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-26-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-27-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-28-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-31-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-33-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-34-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-32-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-30-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-29-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-35-0x0000000010000000-0x0000000010865000-memory.dmp themida behavioral2/memory/2400-44-0x0000000010000000-0x0000000010865000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SimuliaLicensePatcher.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2400 SimuliaLicensePatcher.exe 2400 SimuliaLicensePatcher.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ SimuliaLicensePatcher.exe Key created \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ SimuliaLicensePatcher.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2400 SimuliaLicensePatcher.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2400 SimuliaLicensePatcher.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SimuliaLicensePatcher.exe"C:\Users\Admin\AppData\Local\Temp\SimuliaLicensePatcher.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
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
PID:2400