Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
20/04/2026, 05:02
General
- Target 2026-04-20_64499dad73fdeac4e1b862575ee9de64_cryptolocker_elex.exe
- Size 40KB
- Sample260420-fn7etsdv71
- SHA256 33ad1e1047dbec8e7cf17ddc1d31d5ab41efa43bf6ad32fe28540f76f660040a
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\2026-04-20_64499dad73fdeac4e1b862575ee9de64_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_64499dad73fdeac4e1b862575ee9de64_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/5288-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/5288-1-0x0000000002180000-0x0000000002186000-memory.dmp
memory/5288-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5288-3-0x0000000003140000-0x0000000003146000-memory.dmp
memory/5328-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5328-25-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5328-19-0x00000000022B0000-0x00000000022B6000-memory.dmp