Analysis
- max time kernel
149s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
20/04/2026, 08:50
General
- Target 2026-04-20_a8b50ad92bbf0b2644ab53e8fd1a93c7_cryptolocker_elex.exe
- Size 52KB
- Sample260420-krvbwsdt4j
- SHA256 d53c03136c3a0502963af4d2196f5eeadf8f4a5f42dd3f99c280738e65063c74
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
- Checks computer location settings 2 TTPs 2 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_a8b50ad92bbf0b2644ab53e8fd1a93c7_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_a8b50ad92bbf0b2644ab53e8fd1a93c7_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
demka.exe
medkem.exe
memory/2408-20-0x0000000002040000-0x00000000020FF000-memory.dmp
memory/2408-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2408-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2408-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2408-1-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/4680-18-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4680-28-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4680-31-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4680-30-0x0000000002080000-0x000000000213F000-memory.dmp
memory/4680-41-0x0000000002080000-0x000000000213F000-memory.dmp
memory/4680-56-0x0000000002080000-0x000000000213F000-memory.dmp