Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
21/07/2026, 03:59
General
- Target 2026-07-21_9939b56138eadaba28c8e6dcd54b4c6e_cryptolocker_elex.exe
- Size 53KB
- Sample260721-ej63tsfx3s
- SHA256 ee02e1d7b3aaba6c0183215b6fc58399d08b582ad2bc5eca822826c8ac8f7260
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\2026-07-21_9939b56138eadaba28c8e6dcd54b4c6e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-21_9939b56138eadaba28c8e6dcd54b4c6e_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/1144-19-0x0000000001F30000-0x0000000001F36000-memory.dmp
memory/5008-0-0x0000000000590000-0x0000000000596000-memory.dmp
memory/5008-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/5008-2-0x0000000000400000-0x0000000000406000-memory.dmp