Analysis
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max time kernel
106s -
max time network
127s -
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_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe
Resource
win10v2004-20250610-en
Behavioral task
behavioral2
Sample
2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe
Resource
win11-20250619-en
General
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Target
2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe
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Size
36KB
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MD5
08fb7ad04d865a1949ae174450f534fc
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SHA1
ec08b7d66e53c6c5e602bda9fa2934aede75af13
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SHA256
a3af7d268b36983b9ca11c49444c758802d7def7705252fedfd09c47560b542d
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SHA512
2f9569d508d894802c8816071517dcf26bfa773b0d2151ff22a14a850cbb09be1ae240045018ff36b39001dd73f4f109272f0a867f9fe924da2d48fd7bddeef8
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SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTs:btB9g/WItCSsAGjX7r3BGub8Lj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4464 gewos.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_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3016 wrote to memory of 4464 3016 2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe 78 PID 3016 wrote to memory of 4464 3016 2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe 78 PID 3016 wrote to memory of 4464 3016 2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4464
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
36KB
MD51f2f33856b5eddd1903cc1228f1eb274
SHA12b64abb3a01db7f4d615beb071b62a640c9c4102
SHA2565bf9023ff404152f57c41523187ccf8f77a5da3f4ffe2b4d67042eac1c067ff9
SHA5129f436a3c26b57d0cf5e5fc4d0fdf4fc7f5b77663efab09754720c5511e7c77d4c049be7e07e33c5e00da523602b668837381292806f5b9c23e6e7f070099fa39