Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/08/2026, 15:27
General
- Target 2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe
- Size 34KB
- Sample260822-svsapszzcx
- SHA256 e2341ddb3ed5800a95b363f4d8dd134c2d8c220e2bc660939ae991969887ab82
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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\2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_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/1324-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1324-1-0x00000000004B0000-0x00000000004B6000-memory.dmp
memory/1324-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1324-3-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1324-19-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3856-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3856-20-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3856-26-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3856-27-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3856-28-0x0000000008000000-0x0000000008009000-memory.dmp