Analysis
- max time kernel
141s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 21:32
General
- Target 2024-02-13_702a2aba20e7f3e6c8aa3c203dbfcadf_cryptolocker.exe
- Size 54KB
- Sample240213-1dv92aag79
- SHA256 1e263ff11cce3c15522cf6d7bdca3576474bd24838d34e9eeb1c40f5e845a459
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
- Detection of Cryptolocker Samples 3 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\2024-02-13_702a2aba20e7f3e6c8aa3c203dbfcadf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_702a2aba20e7f3e6c8aa3c203dbfcadf_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/3644-19-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3644-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4200-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4200-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/4200-2-0x0000000002280000-0x0000000002286000-memory.dmp
memory/4200-3-0x0000000002180000-0x0000000002186000-memory.dmp
memory/4200-18-0x0000000000500000-0x000000000050F000-memory.dmp