Analysis
- max time kernel
136s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 11:42
General
- Target 2024-06-03_aceddfba5d0eb4c9b2c5830f1138a7bb_cryptolocker.exe
- Size 66KB
- Sample240603-nvbwhaee56
- SHA256 b548fae541fd8aace3823d7b0d0613618eb4f2e8f6f2e86c1da793b53b27d953
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\2024-06-03_aceddfba5d0eb4c9b2c5830f1138a7bb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_aceddfba5d0eb4c9b2c5830f1138a7bb_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/232-25-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3160-0-0x0000000000580000-0x0000000000586000-memory.dmp
memory/3160-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3160-8-0x0000000000580000-0x0000000000586000-memory.dmp