Analysis
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max time kernel
148s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20250619-en -
resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/07/2025, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe
Resource
win11-20250619-en
General
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Target
2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe
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Size
45KB
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MD5
09f23b132f8975e4916479ab29c57cde
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SHA1
ab9f9f9be18ad9a8b1e857658a4e87812f91b631
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SHA256
e4de265d3bd47185815ecb263e506b4f01d403d115fca2fb8c3ae32242336dfd
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SHA512
9e8c60ca75c123302fa63cc01471e9017e8f094aafba68f0d5aa9eaa65b4e9cda425e1b578044ab875c2a2dca036822526dc05382ab493a68c2e4a53edd6b373
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SSDEEP
768:b7o/2n1TCraU6GD1h4Pn9Xvyn62tH/1/Lp1Vpd1VVS:bc/y2y9c6iH/NLp1Ld3VS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5108 rewok.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 2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rewok.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5088 wrote to memory of 5108 5088 2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe 79 PID 5088 wrote to memory of 5108 5088 2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe 79 PID 5088 wrote to memory of 5108 5088 2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5108
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
46KB
MD58254dfef0594b8669d6c38ae60f84efe
SHA1b03c42e8ca49915cb109ddbdaf73adf57cc27121
SHA2568a12d2de566c7685588155a129d608e22bf2be4ec7f7de0ebec4f649b85ef23c
SHA512c9b37dbd22539f82a3de780a95dcaeaa93db7b5f205ab2a682bcd329927dc9766452d99ad109ff733dc2247c8ffbfbb54517ae29cc1b4423e09fc46811de2bd6