Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 14:36
General
- Target 2026-08-04_ab7cd99aeb565622c7af98c3b20fda3a_cryptolocker_elex.exe
- Size 53KB
- Sample260804-ryqqlsgn8x
- SHA256 98c9e969a9577af926a35d5455d130acfd40fc88b6eaaf1f8748035b6b965e5b
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 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_ab7cd99aeb565622c7af98c3b20fda3a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_ab7cd99aeb565622c7af98c3b20fda3a_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hurok.exe
memory/4332-19-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4868-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4868-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4868-2-0x0000000000400000-0x0000000000406000-memory.dmp