Analysis
- max time kernel
147s - max time network
148s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
13/06/2024, 03:29
General
- Target 2024-06-13_3b4a36c9e8cce4306d89c6c90d387c75_cryptolocker.exe
- Size 96KB
- Sample240613-d2bh7swerp
- SHA256 7d2ca254209a5d5570b2cf77f34c52da91e90781dc197efc2812cebb71bae021
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- UPX dump on OEP (original entry point) 4 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3b4a36c9e8cce4306d89c6c90d387c75_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3b4a36c9e8cce4306d89c6c90d387c75_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2180-1-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2180-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2180-8-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2692-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2692-18-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2692-25-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2692-26-0x0000000000500000-0x000000000050F000-memory.dmp