Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 07:49
General
- Target 2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_cryptolocker_elex.exe
- Size 42KB
- Sample260415-jnvb2sb15x
- SHA256 b95ee597ed7b9de94cba7b2e35db079e54bd2b943a70fcaf1fd99bf27be74359
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- 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.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/1216-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1216-1-0x0000000002300000-0x0000000002306000-memory.dmp
memory/1216-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1216-3-0x0000000003200000-0x0000000003206000-memory.dmp
memory/1216-18-0x0000000000590000-0x000000000064F000-memory.dmp
memory/2292-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2292-21-0x00000000030C0000-0x00000000030C6000-memory.dmp
memory/2292-20-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2292-27-0x0000000002050000-0x000000000210F000-memory.dmp
memory/2292-39-0x0000000002050000-0x000000000210F000-memory.dmp
memory/2292-40-0x0000000002050000-0x000000000210F000-memory.dmp