Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
21/02/2024, 19:40
General
- Target 2024-02-21_65d88a380e80164c46a7bf223471630a_cryptolocker.exe
- Size 47KB
- Sample240221-ydvx6aeg72
- SHA256 cdea96c50652da3975b7518a7062b4a682efc311f4026ac43064256652217148
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- Detects executables built or packed with MPress PE compressor 4 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\2024-02-21_65d88a380e80164c46a7bf223471630a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_65d88a380e80164c46a7bf223471630a_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/1248-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1248-1-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1248-2-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1248-3-0x0000000000750000-0x0000000000756000-memory.dmp
memory/1248-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3024-19-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3024-25-0x0000000000500000-0x0000000000510000-memory.dmp