Analysis
- max time kernel
149s - max time network
150s - platform
windows7_x64 - resource
win7-20240419-en - resource tags
- submitted
03/06/2024, 10:25
General
- Target 2024-06-03_136fcdca284449809aad4f5e01d66fc8_cryptolocker.exe
- Size 42KB
- Sample240603-mggddsbc2z
- SHA256 f19bcc7733802a14dcbba2c93d0968b5d4facf2cfaf529eadd6f0cfc5d649ce5
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-03_136fcdca284449809aad4f5e01d66fc8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_136fcdca284449809aad4f5e01d66fc8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/1732-0-0x0000000008000000-0x000000000800F000-memory.dmp
memory/1732-1-0x0000000000360000-0x0000000000366000-memory.dmp
memory/1732-2-0x0000000000370000-0x0000000000376000-memory.dmp
memory/1732-9-0x0000000000360000-0x0000000000366000-memory.dmp
memory/1732-15-0x0000000008000000-0x000000000800F000-memory.dmp
memory/2316-17-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2316-24-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2316-25-0x0000000008000000-0x000000000800F000-memory.dmp