Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
26/09/2026, 23:07
General
- Target 2026-09-26_4e13e022a8a32b393bc1a5abc4f0a7cf_cryptolocker_elex.exe
- Size 46KB
- Sample260926-232nsaha66
- SHA256 a3558353fa5098f78ca1dff225c081dc45d9da5930ee296ff313e2d9632eac2a
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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\2026-09-26_4e13e022a8a32b393bc1a5abc4f0a7cf_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-26_4e13e022a8a32b393bc1a5abc4f0a7cf_cryptolocker_elex.exe"1⤵
- 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
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
lossy.exe
memory/848-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/848-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/848-2-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/848-3-0x0000000008000000-0x000000000800A000-memory.dmp
memory/848-5-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/3708-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3708-20-0x0000000002080000-0x0000000002086000-memory.dmp