Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 15:00
General
- Target 2026-04-15_cef7c5b6b818a2eebb7d2d979d72305d_cryptolocker_elex.exe
- Size 40KB
- Sample260415-sdsvxac14s
- SHA256 87137d99ddb7d5602703b5781565454bfd562e5a26b1a7d6ded39c2f775a03fa
Malware Config
Signatures
- Detection of CryptoLocker Variants 6 IoCs
- Detection of Cryptolocker Samples 6 IoCs
- Detects executables built or packed with MPress PE compressor 6 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\2026-04-15_cef7c5b6b818a2eebb7d2d979d72305d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_cef7c5b6b818a2eebb7d2d979d72305d_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/1824-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1824-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/1824-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/1824-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1824-4-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4628-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4628-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4628-22-0x0000000002060000-0x0000000002066000-memory.dmp
memory/4628-21-0x0000000000500000-0x0000000000510000-memory.dmp