Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 05:58
General
- Target 2026-08-04_a7cc881cedd8944a54b2b07becc0b518_cryptolocker_elex.exe
- Size 41KB
- Sample260804-gph93asdnb
- SHA256 c341e95b3e2b5222af7582365e7797b4270e0b3796f445f69b4267ad3ce65b5b
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\2026-08-04_a7cc881cedd8944a54b2b07becc0b518_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_a7cc881cedd8944a54b2b07becc0b518_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/4732-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4732-1-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/4732-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4732-3-0x0000000003010000-0x0000000003016000-memory.dmp
memory/5500-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5500-19-0x0000000002050000-0x0000000002056000-memory.dmp
memory/5500-25-0x0000000008000000-0x000000000800A000-memory.dmp