Analysis
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max time kernel
214s -
max time network
288s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-09-2024 19:26
Behavioral task
behavioral1
Sample
Calamari/Calamari.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
Calamari/ScintillaNET.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
Calamari/SynapseZAPI.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
Calamari/sxlib.dll
Resource
win11-20240802-en
General
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Target
Calamari/sxlib.dll
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Size
864KB
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MD5
d00e1627d7536022dd81aeb27577221c
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SHA1
56a1f78e5acc89b97b02652f61a154265511ffcf
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SHA256
904a9329bf56d110adec486f37411831a1148934a5ca4bbff9e33a1ca8ce5bcb
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SHA512
d7cb95dd515f1edfde7e17681563bf5b709ac06f33805ce70dbcb76aca4ee34061c5201a54e1a92d67a1fb8f59512c8a64fcbb201fc88e5536001e40489dab69
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SSDEEP
12288:EnfEbmXVMomkzPuY6TZNPERW1v+wUGx6tEhPaZLuabPIkLOh/1K9FaUQmUFv7SZR:WhziXGGv+T8wECFIMOYHUv7S/WkuvA
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5276 wrote to memory of 5348 5276 rundll32.exe 79 PID 5276 wrote to memory of 5348 5276 rundll32.exe 79 PID 5276 wrote to memory of 5348 5276 rundll32.exe 79
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Calamari\sxlib.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5276 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Calamari\sxlib.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5348
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