Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
19/04/2026, 04:41
General
- Target 2026-04-19_8ed8833d5760c074c54d770feaf157e6_cryptolocker_elex.exe
- Size 46KB
- Sample260419-fbda8acw2q
- SHA256 dca9a58eb800b3d0365251f51768433d61c18aa68c10741bc3aa264cc3b0da90
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 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\2026-04-19_8ed8833d5760c074c54d770feaf157e6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_8ed8833d5760c074c54d770feaf157e6_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/4760-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4760-1-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/4760-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4760-3-0x00000000023C0000-0x00000000023C6000-memory.dmp
memory/4760-17-0x00000000020B0000-0x0000000002331000-memory.dmp
memory/4848-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4848-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4848-20-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4848-27-0x0000000002020000-0x00000000022A1000-memory.dmp
memory/4848-33-0x0000000002020000-0x00000000022A1000-memory.dmp
memory/4848-39-0x0000000002020000-0x00000000022A1000-memory.dmp