Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 16:13
General
- Target 2024-02-18_df26225449a227538824a42eb95d9ed9_cryptolocker.exe
- Size 39KB
- Sample260602-tpjxtah15x
- SHA256 15832a1fdb5a23d7e95058b9cd2609f51696bf3ba1b0a1ed42d18f32cad6a910
Score
7/10
Malware Config
Signatures
- 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\2024-02-18_df26225449a227538824a42eb95d9ed9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_df26225449a227538824a42eb95d9ed9_cryptolocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\retln.exe"C:\Users\Admin\AppData\Local\Temp\retln.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
retln.exe
memory/2516-0-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2516-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2516-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5400-25-0x0000000002190000-0x0000000002196000-memory.dmp