Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/05/2024, 02:47
General
- Target 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe
- Size 54KB
- Sample240525-daa4csbh5x
- SHA256 db8797107237348e30f211d275df40493954384a6521d43533c22d8c87d9fbcc
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\2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/3032-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3032-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3032-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3192-17-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3192-23-0x00000000004E0000-0x00000000004E6000-memory.dmp