Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/02/2024, 12:48
General
- Target 2024-02-28_fa5646eaaed9f2d0a025c7f6178673bf_cryptolocker.exe
- Size 47KB
- Sample240228-p12vjsbh86
- SHA256 102490ee994287723acf5bec44f9de94e5b86d025b20c441fc6ad8594ed9a88a
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 2 IoCs
- Detects executables built or packed with MPress PE compressor 4 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\2024-02-28_fa5646eaaed9f2d0a025c7f6178673bf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-28_fa5646eaaed9f2d0a025c7f6178673bf_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/2620-20-0x0000000000660000-0x0000000000666000-memory.dmp
memory/2620-19-0x0000000000820000-0x0000000000826000-memory.dmp
memory/2620-52-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5100-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5100-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/5100-2-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/5100-3-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/5100-17-0x0000000000500000-0x000000000050F000-memory.dmp