Analysis
- max time kernel
88s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
04/02/2024, 00:22
General
- Target 2024-02-04_0f0a2a808383fb4882d27d0bff3759d0_cryptolocker.exe
- Size 76KB
- Sample240204-apa55afebn
- SHA256 1c8575257cce9cf687ea4e214ac88676c9266babb31835aff3de25b93cb889ed
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-02-04_0f0a2a808383fb4882d27d0bff3759d0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_0f0a2a808383fb4882d27d0bff3759d0_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/1528-18-0x0000000000700000-0x0000000000706000-memory.dmp
memory/1528-26-0x0000000000740000-0x0000000000746000-memory.dmp
memory/1528-20-0x0000000000760000-0x0000000000766000-memory.dmp
memory/1660-0-0x00000000004E0000-0x00000000004E3000-memory.dmp
memory/1660-1-0x0000000000700000-0x0000000000706000-memory.dmp
memory/1660-2-0x0000000000700000-0x0000000000706000-memory.dmp
memory/1660-3-0x0000000000720000-0x0000000000726000-memory.dmp
memory/1660-17-0x00000000004E0000-0x00000000004E3000-memory.dmp