Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 19:40
General
- Target 2024-06-13_ad289a17225121b6a04c4507c84584ed_cryptolocker.exe
- Size 50KB
- Sample240613-ydtp4ayekf
- SHA256 b00bfff42e1dc0b12311f369cc5c352c501b86a4542b6474a6273544b6aa5256
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_ad289a17225121b6a04c4507c84584ed_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_ad289a17225121b6a04c4507c84584ed_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/1316-17-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/1316-23-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4304-0-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/4304-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/4304-8-0x00000000005C0000-0x00000000005C6000-memory.dmp