Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
22/02/2024, 05:16
General
- Target 2024-02-22_9575fef03a3bff93a1d098807516339f_cryptolocker.exe
- Size 128KB
- Sample240222-fyb2nscg28
- SHA256 a37792d8c413d6234997f0a1b23d445d2811c5911da4331e0587febddac57009
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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\2024-02-22_9575fef03a3bff93a1d098807516339f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_9575fef03a3bff93a1d098807516339f_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/2628-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2628-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2628-2-0x00000000004F0000-0x00000000004F6000-memory.dmp