Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
29/07/2026, 15:33
General
- Target 2026-07-29_9b2f74b392a1505b99c6a05c28876ecb_cryptolocker_elex.exe
- Size 37KB
- Sample260729-sy9ddswhrd
- SHA256 939f8b5570a244b76a05dc90e52074af747f74d3712940f1ab362d6deefa202e
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 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\2026-07-29_9b2f74b392a1505b99c6a05c28876ecb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_9b2f74b392a1505b99c6a05c28876ecb_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hurok.exe
memory/640-25-0x0000000000550000-0x0000000000556000-memory.dmp
memory/5456-0-0x0000000000450000-0x0000000000456000-memory.dmp
memory/5456-1-0x0000000000450000-0x0000000000456000-memory.dmp
memory/5456-2-0x0000000000400000-0x0000000000406000-memory.dmp