Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
18/08/2026, 00:38
General
- Target 2026-08-17_2ad7bdc34eb1946ed4f16bb1fb1028ab_cryptolocker_elex.exe
- Size 50KB
- Sample260818-ay52vsshld
- SHA256 2efad19121cc0094ea0446668c14af10a9fda022c79a3158e31e2a03d86e422f
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 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\2026-08-17_2ad7bdc34eb1946ed4f16bb1fb1028ab_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_2ad7bdc34eb1946ed4f16bb1fb1028ab_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
rewok.exe
memory/3708-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/3708-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3708-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3708-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4868-18-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4868-27-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4868-29-0x0000000000400000-0x0000000000408000-memory.dmp