Analysis
- max time kernel
133s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
18/07/2026, 10:41
General
- Target 2026-07-18_a5b249dd89806105ef9fb6be0a1cf7ac_cryptolocker_elex.exe
- Size 41KB
- Sample260718-mq6pmsgw8j
- SHA256 a70bdce7dce74beeac575ba729b03f21927daebdac1342ffd577cdcb1c007a5c
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\2026-07-18_a5b249dd89806105ef9fb6be0a1cf7ac_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-18_a5b249dd89806105ef9fb6be0a1cf7ac_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/3604-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3604-1-0x0000000002D50000-0x0000000002D56000-memory.dmp
memory/3604-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3604-3-0x0000000003000000-0x0000000003006000-memory.dmp
memory/4236-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4236-20-0x0000000002130000-0x0000000002136000-memory.dmp
memory/4236-19-0x0000000008000000-0x000000000800A000-memory.dmp