Analysis
- max time kernel
148s - max time network
152s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
11/06/2024, 00:34
General
- Target 2024-06-11_7339be82916b8e8ab280308df1de3509_cryptolocker.exe
- Size 41KB
- Sample240611-awsnraxakb
- SHA256 d4f546e6b18788cf49fff6c2f42809429a41abf498c1efc06dc1cf5520400e95
Malware Config
Signatures
- Detection of CryptoLocker Variants 6 IoCs
- Detection of Cryptolocker Samples 6 IoCs
- UPX dump on OEP (original entry point) 6 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 6 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\2024-06-11_7339be82916b8e8ab280308df1de3509_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_7339be82916b8e8ab280308df1de3509_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/2544-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2544-20-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2544-27-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2544-28-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2864-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2864-1-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2864-2-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2864-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2864-13-0x0000000001CD0000-0x0000000001CE0000-memory.dmp
memory/2864-17-0x0000000000500000-0x0000000000510000-memory.dmp