Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 14:19
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe
- Size 52KB
- Sample260815-rmtywsyalg
- SHA256 30aa92222f695b2edb063552ebd03bd61912d791f35794d50593dc8f852ba6fe
- MD5 588a0abdcc22486ef20dbe0c81edefaf
- SHA1 d006db5b6b1b129b0c03c59660c32e902673bccf
- SHA512 5c37509be8daa2a0060ebca1acb0b2d92fd8bed60d4ca50a3ea1bbd345f090780664034f7c2f4314b0447176dc3969ddb7e692e89661c585c18deee4b6723fc6
- SSDEEP 768:btvJCYOOvbRPDEgXqwcJqkrgE0AEt/bgJ4CZXepqi:btvJCF+RQg/YqNFADVZuZ
- TLSH T13C33B6397FD51B32D37786B146F791C2BA3AB8213D12D45D548AA3480933F29EDA1E0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x000800000000082a-13.dat CryptoLocker_rule2 behavioral2/memory/4868-20-0x0000000000400000-0x000000000040A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4868-22-0x0000000000400000-0x000000000040A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4868 demka.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language demka.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3424 wrote to memory of 4868 3424 2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_588a0abdcc22486ef20dbe0c81edefaf_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424 -
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:4868
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 52KB
- SHA256 eed054b12a88d18483d8daad254ce705408bc3afe30a56b2055e77b6e63750fd
- MD5 78261e74150fb1638c340ebee3f7c2ec
- SHA1 b8d3b11bde9fd2e89e288b86f0496bd9d6f6fba0
- SHA512 7e33b2dd807845863a73eb3539654bb5e3ba5ad80acbe301cdcd066b294dea215fe803e355076d007a475242c594e03e7c63c95f2dbf7b84e822a4be904eff21
- SSDEEP 768:btvJCYOOvbRPDEgXqwcJqkrgE0AEt/bgJ4CZXepqi:btvJCF+RQg/YqNFADVZux
- TLSH T12133B6397FD51B72E37786B146F791C2BA3AB8213D12D41D548AA3480933F29EDA1E0D
- MD5 SHA1 SHA512 SSDEEP TLSH