Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/07/2026, 08:31
General
- Target 2026-07-27_4298a4e2941aec08198a5d85f902e9ad_cryptolocker_elex.exe
- Size 42KB
- Sample260727-ke5bbsbr21
- SHA256 d2be22e0f5b7ce7f01b3c797fe3b2c5bf50570e7b03d7abef0fa8110b7608b77
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\2026-07-27_4298a4e2941aec08198a5d85f902e9ad_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_4298a4e2941aec08198a5d85f902e9ad_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/4880-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4880-1-0x0000000002210000-0x0000000002216000-memory.dmp
memory/4880-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4880-3-0x0000000002240000-0x0000000002246000-memory.dmp
memory/5288-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5288-20-0x0000000002150000-0x0000000002156000-memory.dmp
memory/5288-19-0x0000000008000000-0x000000000800A000-memory.dmp