Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
04/05/2026, 04:34
General
- Target 2026-05-04_f07ef63821ac7eccfec5951f2c461058_cryptolocker_elex.exe
- Size 95KB
- Sample260504-e64wzsct3w
- SHA256 b3e0c4c45710db0118a3dcc3adbfbd3c22a167e67431275cc7fc4ecbac3290df
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 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\2026-05-04_f07ef63821ac7eccfec5951f2c461058_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_f07ef63821ac7eccfec5951f2c461058_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/8-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/8-21-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/8-20-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3040-0-0x0000000000610000-0x0000000000616000-memory.dmp
memory/3040-1-0x000000000050A000-0x000000000050B000-memory.dmp
memory/3040-2-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3040-3-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3040-4-0x0000000000740000-0x0000000000746000-memory.dmp