Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 11:32
General
- Target 2024-06-03_501917593f3469f45c345349e3cfa549_cryptolocker.exe
- Size 77KB
- Sample240603-nnph1sch8t
- SHA256 b3c6f965e66f8cd38d8c017b2ebe955e19032ee5af5e7d6d202e66e0d7de78bf
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 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\2024-06-03_501917593f3469f45c345349e3cfa549_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_501917593f3469f45c345349e3cfa549_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/3620-17-0x0000000000750000-0x0000000000756000-memory.dmp
memory/3620-23-0x0000000000730000-0x0000000000736000-memory.dmp
memory/5000-0-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/5000-1-0x0000000002080000-0x0000000002086000-memory.dmp
memory/5000-8-0x00000000004E0000-0x00000000004E6000-memory.dmp