Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
14/06/2024, 01:01
General
- Target 2024-06-14_9000a7bd71a886cc1efd8eff757210c0_cryptolocker.exe
- Size 44KB
- Sample240614-bdn4aayeld
- SHA256 61472d1784f2bb481cf02515ee533905e5ca81de4d1b993a989dc7c436929301
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-14_9000a7bd71a886cc1efd8eff757210c0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_9000a7bd71a886cc1efd8eff757210c0_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hurok.exe
memory/4064-25-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4712-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4712-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4712-0-0x00000000005A0000-0x00000000005A6000-memory.dmp