Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 02:10
General
- Target 2026-05-05_0686f342a8b79260fd36018edce3f811_cryptolocker_elex.exe
- Size 81KB
- Sample260505-clpv8aex5x
- SHA256 52c07b3acb2913ff4b20ef7213509c827d1fa060aa4a68d4387d436945f90576
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 5 IoCs
- Detects 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\2026-05-05_0686f342a8b79260fd36018edce3f811_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_0686f342a8b79260fd36018edce3f811_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/1348-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1348-1-0x0000000000504000-0x0000000000505000-memory.dmp
memory/1348-2-0x0000000000560000-0x0000000000566000-memory.dmp
memory/1348-3-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1348-4-0x0000000002200000-0x0000000002206000-memory.dmp
memory/1348-17-0x0000000000780000-0x0000000000920000-memory.dmp
memory/4672-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4672-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4672-21-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4672-28-0x0000000000920000-0x0000000000AC0000-memory.dmp