Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2025, 18:53
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe
Resource
win11-20250619-en
General
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Target
2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe
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Size
67KB
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MD5
e738c388b6a93103b33cf92a34dc0eca
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SHA1
a245f4c2dd86cf640b0c57aa6875a17482e6f912
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SHA256
b012da4b935e42099d25b0e075a9bf000bd8d7562c227c27262471219d02f17c
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SHA512
732dbc3e40343a377ef1e791b8905eb6e0126c4116eae6312d99aa9db229d60fc44fcf020075b6a0d808e94d00e35ae96e9f8b2f2504f65c26b95d7a3c93f31d
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfZ:i5nkFGMOtEvwDpjNbwQEI8Uh
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-1-5-21-3951986358-4006919840-1009690842-1000\Control Panel\International\Geo\Nation 2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe -
Executes dropped EXE 1 IoCs
pid Process 5988 misid.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_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1356 wrote to memory of 5988 1356 2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe 84 PID 1356 wrote to memory of 5988 1356 2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe 84 PID 1356 wrote to memory of 5988 1356 2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5988
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
67KB
MD5c2de5d5aee1863853a262fcb5c0c0899
SHA1ccf985a9e44851dd1a71dc314cb2e7a3e61bcffe
SHA25667e4bce5f9f7a69fb550e00e53d003ba0a815fa804cda02d021e5fb19f0705e5
SHA5128085b9e709835ecc1d53d889e5f917650ab5c540b73b3077c4e07689e06ba547ba7f223e536779e0a916d4a06f8f3040675adb0830d7dc4cc3d358bed114bbc3