Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/06/2024, 22:25
General
- Target 2024-06-02_ce0bc33b1be366bd9c78203c5eb2284c_cryptolocker.exe
- Size 46KB
- Sample240602-2b8b9ahc2v
- SHA256 a48fddcea40c32aa02ea65abafc82cd8831e1b7fe070fa1698f35fddf29bebb5
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 2 IoCs
- UPX dump on OEP (original entry point) 5 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\2024-06-02_ce0bc33b1be366bd9c78203c5eb2284c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ce0bc33b1be366bd9c78203c5eb2284c_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/1152-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1152-20-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/1152-26-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/1152-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4636-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4636-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4636-3-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4636-9-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4636-16-0x0000000000500000-0x0000000000510000-memory.dmp