Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/05/2026, 04:29
General
- Target 2026-05-27_3f3d217dbf10aa96735bf338e63249cb_cryptolocker_elex.exe
- Size 42KB
- Sample260527-e4da9ahv9s
- SHA256 4be50f8896bd73dc71935329eeb52cbb44ba346b0fe4337a6ad630fa1ba57d6a
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
- 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\2026-05-27_3f3d217dbf10aa96735bf338e63249cb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_3f3d217dbf10aa96735bf338e63249cb_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/1536-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1536-26-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1536-20-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/2644-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2644-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/2644-2-0x0000000002190000-0x0000000002196000-memory.dmp
memory/2644-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2644-4-0x0000000002240000-0x0000000002246000-memory.dmp