Analysis
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max time kernel
28s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15-03-2023 14:53
Behavioral task
behavioral1
Sample
Caiori.exe
Resource
win7-20230220-en
4 signatures
150 seconds
General
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Target
Caiori.exe
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Size
55.9MB
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MD5
fa2506d2f26a8620252672f9b4fe1982
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SHA1
c44d2903a80f22bb6956895f24c52e4e281d0e30
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SHA256
09616435fdac3fc6dbc3ada7c6f3aed5a4a369418a99a162e8c6134d25a905ea
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SHA512
b4a5245570156fb4bcbbcd162a6c7550d6ca04b4b6434c2d05e370462910f8c492e5058e96806f2f8a7fb8bdbf4f73e63459c61485e95f237a37a1942fe02c54
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SSDEEP
786432:80LoCOn+27s4urYDNulLBiuV8P876Drt57RVK4Q/h5pUaHUL:8MoCm/7Xw6O4Q/h5pUL
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
Caiori.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Caiori.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Caiori.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Caiori.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Caiori.exe -
Processes:
resource yara_rule behavioral1/memory/1776-54-0x000000013F910000-0x000000014263C000-memory.dmp themida behavioral1/memory/1776-55-0x000000013F910000-0x000000014263C000-memory.dmp themida -
Processes:
Caiori.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Caiori.exe