Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 00:38
General
- Target 2024-06-13_74d15f01ad5d7a8fa37a19f6dd6f20e6_cryptolocker.exe
- Size 39KB
- Sample240613-ay2pfa1dkn
- SHA256 a5b28dbc59034309d342cfe245a4ba1bbe0cdb1042c9cd26e5f6857cd48f6e71
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\2024-06-13_74d15f01ad5d7a8fa37a19f6dd6f20e6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_74d15f01ad5d7a8fa37a19f6dd6f20e6_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/2680-17-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2680-23-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3688-0-0x0000000002140000-0x0000000002146000-memory.dmp
memory/3688-1-0x0000000002040000-0x0000000002046000-memory.dmp
memory/3688-8-0x0000000002140000-0x0000000002146000-memory.dmp