Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
27/05/2026, 04:29
General
- Target 2026-05-27_3f3d217dbf10aa96735bf338e63249cb_cryptolocker_elex.exe
- Size 42KB
- Sample260527-e4da9ahv9s
- SHA256 4be50f8896bd73dc71935329eeb52cbb44ba346b0fe4337a6ad630fa1ba57d6a
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 5 IoCs
- Custom signatureDetection of Cryptolocker Samples 5 IoCs
- Custom signatureDetects executables built or packed with MPress PE compressor 5 IoCs
- 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\2026-05-27_3f3d217dbf10aa96735bf338e63249cb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_3f3d217dbf10aa96735bf338e63249cb_cryptolocker_elex.exe"1⤵
- 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/1620-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1620-20-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1620-21-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/4396-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4396-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/4396-2-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4396-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4396-4-0x00000000006D0000-0x00000000006D6000-memory.dmp