Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 14:09
General
- Target 2026-10-22_4a3d30a56d66cde25be4ff94794fea46_cryptolocker_elex.exe
- Size 46KB
- Sample261024-rf7leaat7y
- SHA256 4ea03a6376bf5327618adbe85db3e674e3bcbd2da28988974fd90fca7f315d9e
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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\2026-10-22_4a3d30a56d66cde25be4ff94794fea46_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_4a3d30a56d66cde25be4ff94794fea46_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/5060-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/5060-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/5060-2-0x0000000000400000-0x000000000040D000-memory.dmp
memory/5060-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5936-20-0x0000000000400000-0x000000000040D000-memory.dmp
memory/5936-22-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5936-28-0x0000000000400000-0x000000000040D000-memory.dmp
memory/5936-29-0x0000000000400000-0x000000000040D000-memory.dmp
memory/5936-31-0x0000000000400000-0x000000000040D000-memory.dmp