Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 04:41
General
- Target 2026-04-21_fe4f307d73e92b20c3e524c0c6b7e7d1_cryptolocker_elex.exe
- Size 93KB
- Sample260421-fa43jsbx9t
- SHA256 a69619b0628f35244693c605320d132bea3d2a0890e77ceae07457243b6a5512
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 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\2026-04-21_fe4f307d73e92b20c3e524c0c6b7e7d1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_fe4f307d73e92b20c3e524c0c6b7e7d1_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
misid.exe
memory/3212-19-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3212-25-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4700-0-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4700-2-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4700-1-0x000000000050A000-0x000000000050B000-memory.dmp
memory/4700-3-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4700-4-0x00000000005B0000-0x00000000005B6000-memory.dmp