Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
25/08/2024, 06:56
General
- Target 2024-08-25_aa97cf6bc2c8a8fcf71dbbb82f400d88_cryptolocker.exe
- Size 32KB
- Sample240825-hqtmvssepl
- SHA256 6b182b4a2dbe77efc71ebe75ed501ed12f178d75e7da9eb892126282c510d158
Malware Config
Signatures
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-08-25_aa97cf6bc2c8a8fcf71dbbb82f400d88_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-25_aa97cf6bc2c8a8fcf71dbbb82f400d88_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/932-20-0x0000000002580000-0x0000000002586000-memory.dmp
memory/932-19-0x0000000001F80000-0x0000000001F86000-memory.dmp
memory/932-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3756-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3756-2-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3756-3-0x00000000023B0000-0x00000000023B6000-memory.dmp
memory/3756-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3756-17-0x0000000008000000-0x000000000800A000-memory.dmp