Analysis
- max time kernel
94s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
31/05/2024, 17:31
General
- Target 2024-05-31_f5072daf54f9aa201013df95e23195e0_cryptolocker.exe
- Size 37KB
- Sample240531-v3qsysfc4s
- SHA256 66bb32eca9e216e1ff164abba139c5e0d564e51a70eb39aacdb198a1c30ebbda
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-31_f5072daf54f9aa201013df95e23195e0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_f5072daf54f9aa201013df95e23195e0_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
demka.exe
medkem.exe
memory/1104-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1104-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1104-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4444-25-0x0000000002D60000-0x0000000002D66000-memory.dmp