Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 01:41
General
- Target 2026-09-08_f2d2a9c01b81dd177c3d183aa90ac1c1_cryptolocker_elex.exe
- Size 31KB
- Sample260910-b39raacm3x
- SHA256 7fc8d96bca4bc199ad38d40a42dff5171742771d69b104ff3f5d82dc6dfc35fd
Score
9/10
Malware Config
Signatures
- Custom signatureDetection 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\2026-09-08_f2d2a9c01b81dd177c3d183aa90ac1c1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_f2d2a9c01b81dd177c3d183aa90ac1c1_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/4312-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4312-1-0x0000000002130000-0x0000000002136000-memory.dmp
memory/4312-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4312-4-0x0000000002040000-0x0000000002046000-memory.dmp
memory/4464-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4464-19-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4464-20-0x00000000020C0000-0x00000000020C6000-memory.dmp