Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
30/09/2026, 12:18
General
- Target 2026-09-30_39ece2398fc3545f632b123b6ffbd106_cryptolocker_elex.exe
- Size 30KB
- Sample260930-pgvbcsxajf
- SHA256 eff45af6300464c1c39225d344e1a3a4ffaa6173de883da90ce20bfd286e1c15
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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\2026-09-30_39ece2398fc3545f632b123b6ffbd106_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_39ece2398fc3545f632b123b6ffbd106_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
demka.exe
memory/3456-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/3456-1-0x00000000020B0000-0x00000000020B6000-memory.dmp
memory/3456-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3456-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4296-18-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4296-21-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4296-29-0x0000000000400000-0x0000000000408000-memory.dmp