Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/06/2024, 22:29
General
- Target 2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe
- Size 48KB
- Sample240602-2emvqahd21
- SHA256 ec352504445399f23945ff354713529f38267c6f7acf78970b120fb322f46454
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 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\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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/624-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/624-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/624-2-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/624-9-0x0000000000630000-0x0000000000636000-memory.dmp
memory/624-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3972-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3972-20-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/3972-26-0x00000000006A0000-0x00000000006A6000-memory.dmp