Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/08/2026, 11:13
General
- Target 2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe
- Size 30KB
- Sample260820-nbfeksar7v
- SHA256 8319fdbfb23f4ebe74230e80ffdfb8bab4c7e7f2d268eb11c2c24842c3e08bb4
Score
9/10
Malware Config
Signatures
- Detection 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\2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_e209310af62722164f9bab6f42fc14be_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/1396-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1396-1-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/1396-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1396-3-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/3316-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3316-20-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/3316-19-0x0000000008000000-0x0000000008009000-memory.dmp