Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
08/09/2026, 18:06
General
- Target 2026-09-08_33fa0d102d049cddc2c62578fdf43959_cryptolocker_elex.exe
- Size 41KB
- Sample260908-wp4y4afq7x
- SHA256 49b686819a09499c5c59589262ee5bb4fc3171f6bf08d40a035377bd3a9f4942
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 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\2026-09-08_33fa0d102d049cddc2c62578fdf43959_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_33fa0d102d049cddc2c62578fdf43959_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
lossy.exe
memory/2164-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2164-20-0x0000000000640000-0x0000000000646000-memory.dmp
memory/2164-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4548-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4548-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4548-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/4548-3-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4548-4-0x00000000004E0000-0x00000000004E6000-memory.dmp