Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
- submitted
11/05/2026, 08:33
General
- Target 2026-05-11_40f5024f875fb30801db15101eeae02f_cryptolocker_elex.exe
- Size 43KB
- Sample260511-kftk8adv4s
- SHA256 1d503e4e1c573bdd3bcc0a7218f1c38aee7f5feefea22bce5ead8f699a546a49
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\2026-05-11_40f5024f875fb30801db15101eeae02f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_40f5024f875fb30801db15101eeae02f_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/640-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/640-1-0x0000000002240000-0x0000000002246000-memory.dmp
memory/640-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/640-3-0x0000000002300000-0x0000000002306000-memory.dmp
memory/3900-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3900-25-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3900-19-0x0000000003000000-0x0000000003006000-memory.dmp