Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe
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Size
35KB
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MD5
441819c3668a882a1e5dea8a7a5ddb3a
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SHA1
f0ae32859aa1b421df6ff1616ea2085ec197d146
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SHA256
a32cc1d0f0114700122e30506ff8b113b89701b151c1e1b3d1016f4d3a5ce31e
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SHA512
0d39b333d048ab564aaadc1711697b457b08b928594f6cb3a78560bb6d3ebb6ed5f546e3e43e7fcd1272615148bea218f35654e2166ab140970533f57cb50ce8
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SSDEEP
384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50ixDdj6:bAvJCYOOvbRPDEgXrNekd7l94iW
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4240 demka.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language demka.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3580 wrote to memory of 4240 3580 2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe 85 PID 3580 wrote to memory of 4240 3580 2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe 85 PID 3580 wrote to memory of 4240 3580 2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
35KB
MD587151e3b97c5a1666ec134e2d499c8c6
SHA1f5e776a88082c94d76ee569744a617a6cd55be41
SHA2568127fcf876c271f1c3cb84c28e8223bc495cfc7ce6da311aff3f2f228fdf8bcf
SHA5121b6cfb887685eb4f71d730d4346be89d7472635a1da489b84548caab7cd0ce89a1f028b6e08a390f86e620b28f5be94134ae331ae7ec1b8f4660d8ebada685e1