Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 03:47
General
- Target 2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe
- Size 45KB
- Sample240613-eb9hzstblf
- SHA256 acf316b2abcf74f8899c115c5762229db53650c9732d740413d08d11cd84fc16
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 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\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_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/904-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/904-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/904-20-0x0000000000820000-0x0000000000826000-memory.dmp
memory/904-27-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1724-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1724-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/1724-2-0x0000000000650000-0x0000000000656000-memory.dmp
memory/1724-9-0x0000000000630000-0x0000000000636000-memory.dmp
memory/1724-18-0x0000000000500000-0x000000000050B000-memory.dmp