Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
15/03/2024, 07:34
General
- Target 2024-03-15_820f53653a1df82cdd80ca4b62185e45_cryptolocker.exe
- Size 63KB
- Sample240315-jeej8sda84
- SHA256 35d58fb6634c5d0b928d663f434405c7e0b031dc852196cae1183a92f1ac941b
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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\2024-03-15_820f53653a1df82cdd80ca4b62185e45_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-15_820f53653a1df82cdd80ca4b62185e45_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⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hurok.exe
memory/2848-21-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4628-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4628-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4628-2-0x0000000000400000-0x0000000000406000-memory.dmp