Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 03:49
General
- Target 2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe
- Size 44KB
- Sample240613-edlvpsxank
- SHA256 14512f682a657e89b4d507d2c0d189f05698f379b2738b1862ba561a57a9e1ec
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
lossy.exe
memory/452-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/452-26-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/452-27-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2220-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2220-1-0x0000000002050000-0x0000000002056000-memory.dmp
memory/2220-2-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2220-9-0x0000000002050000-0x0000000002056000-memory.dmp
memory/2220-17-0x0000000008000000-0x000000000800A000-memory.dmp