Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
11/06/2024, 02:25
General
- Target 2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
- Size 33KB
- Sample240611-cwlljs1fkr
- SHA256 4ac35deda035f53f01b2251da7694705b5d62791c7666a2c56846f9978f553fd
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\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_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
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Downloads
demka.exe
medkem.exe
memory/2356-25-0x0000000002210000-0x0000000002216000-memory.dmp
memory/2444-0-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/2444-8-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/2444-1-0x0000000000400000-0x0000000000406000-memory.dmp