Analysis
- max time kernel
148s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 08:27
General
- Target 2024-06-03_5becc5dd9d0a0f6b14a0ff25bccb59df_cryptolocker.exe
- Size 34KB
- Sample240603-kceb5aad26
- SHA256 bd0c7c34f485011cb131b1dfc5ef32f7f7a2128ab5216d9fb381f4ed72ba5bc5
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-03_5becc5dd9d0a0f6b14a0ff25bccb59df_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_5becc5dd9d0a0f6b14a0ff25bccb59df_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
demka.exe
memory/1228-25-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3704-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3704-7-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3704-1-0x0000000000400000-0x0000000000406000-memory.dmp