Analysis
- max time kernel
148s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:35
General
- Target 2024-06-09_e39669415f908c3c7975f2977e207ca7_cryptolocker.exe
- Size 47KB
- Sample240609-jetzxsff7s
- SHA256 21fbbb42740331a233b03f870b5f6569da8e4bd3685a780cd4360b9cfc02fe65
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 5 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\2024-06-09_e39669415f908c3c7975f2977e207ca7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_e39669415f908c3c7975f2977e207ca7_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/736-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/736-20-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/736-21-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/736-27-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4140-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4140-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4140-2-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4140-9-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4140-18-0x0000000000500000-0x000000000050B000-memory.dmp