Analysis
- max time kernel
151s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/03/2024, 15:39
General
- Target 2024-03-09_9be9eb31d7b02c5ec7c141d648c06252_cryptolocker.exe
- Size 44KB
- Sample240309-s3p6babc37
- SHA256 6c47b6c1e10754b709c637c001bc2b9e730fead0722373c2d4feb88243840272
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 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\2024-03-09_9be9eb31d7b02c5ec7c141d648c06252_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-09_9be9eb31d7b02c5ec7c141d648c06252_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pissa.exe
memory/1424-0-0x0000000002110000-0x0000000002116000-memory.dmp
memory/1424-1-0x0000000002110000-0x0000000002116000-memory.dmp
memory/1424-2-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/3288-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp
memory/3288-20-0x0000000002D60000-0x0000000002D66000-memory.dmp