Analysis
- max time kernel
157s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
18/02/2024, 12:35
General
- Target 2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_cryptolocker.exe
- Size 39KB
- Sample240218-psvfhaae56
- SHA256 cb4353f57d6aa4f51aff900a090e86e0d0c18f51df2d797fc1b4c8692d562b02
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- Detects executables built or packed with MPress PE compressor 4 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\2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_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⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/2052-22-0x0000000002050000-0x0000000002056000-memory.dmp
memory/2052-26-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2300-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2300-1-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/2300-2-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/2300-3-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2300-17-0x0000000000500000-0x000000000050F000-memory.dmp