Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
11/06/2024, 13:23
General
- Target 2024-06-11_2e9e68bcf3d3354e0521ec264434272e_cryptolocker.exe
- Size 44KB
- Sample240611-qmryvsyblb
- SHA256 b078042608bb9d3caee954d0d3fcf6d02b14b5119909670651aaf0ea2606298f
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\2024-06-11_2e9e68bcf3d3354e0521ec264434272e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2e9e68bcf3d3354e0521ec264434272e_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
Loading Replay Monitor...
Downloads
hasfj.exe
memory/2676-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2676-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2676-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2676-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/2676-18-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4304-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4304-20-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4304-26-0x0000000002120000-0x0000000002126000-memory.dmp
memory/4304-27-0x0000000008000000-0x000000000800D000-memory.dmp