Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/08/2026, 01:03
General
- Target 2026-08-20_cee9381529a0309e83b39296e1fbd4dd_cryptolocker_elex.exe
- Size 29KB
- Sample260820-bem8daxcqd
- SHA256 af6b40b38cdf0f6d4129afd5da7752006b54cc628d0486ae8e2eb0ecf7d56bbf
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_cee9381529a0309e83b39296e1fbd4dd_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_cee9381529a0309e83b39296e1fbd4dd_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
Loading Replay Monitor...
Downloads
lossy.exe
memory/872-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/872-19-0x0000000008000000-0x0000000008009000-memory.dmp
memory/872-20-0x0000000001F50000-0x0000000001F56000-memory.dmp
memory/1776-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1776-1-0x00000000004B0000-0x00000000004B6000-memory.dmp
memory/1776-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/1776-3-0x00000000006B0000-0x00000000006B6000-memory.dmp