Analysis
- max time kernel
145s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
03/02/2024, 07:32
General
- Target 2024-02-03_894c20d5ac0dbd5415856315f153245d_cryptolocker.exe
- Size 119KB
- Sample240203-jc813acbd2
- SHA256 a2ac38cbf80ff908a07342ceeb7361ee80242451367d75689ec1a98facdb9da7
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-02-03_894c20d5ac0dbd5415856315f153245d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-03_894c20d5ac0dbd5415856315f153245d_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⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/3276-17-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3276-20-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/5012-0-0x0000000000520000-0x0000000000526000-memory.dmp
memory/5012-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/5012-2-0x0000000000550000-0x0000000000556000-memory.dmp