Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
06/10/2026, 16:57
General
- Target 2026-10-05_b19177f0b6200bb9ae83a2074309adb6_cryptolocker_elex.exe
- Size 50KB
- Sample261006-vgf2mastax
- SHA256 46b58cd5967326fedc5aab9ae3e03ba1abe90a7004a2cb215aac81c234702c4d
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
- 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\2026-10-05_b19177f0b6200bb9ae83a2074309adb6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-05_b19177f0b6200bb9ae83a2074309adb6_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.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
rewok.exe
memory/4148-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/4148-1-0x0000000000680000-0x0000000000686000-memory.dmp
memory/4148-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4148-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5108-20-0x0000000000400000-0x0000000000408000-memory.dmp
memory/5108-22-0x0000000000400000-0x0000000000408000-memory.dmp
memory/5108-23-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5108-29-0x0000000000400000-0x0000000000408000-memory.dmp