Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 00:36
General
- Target 2024-06-13_63c5e496a106f22fa1f10f18202c202f_cryptolocker.exe
- Size 43KB
- Sample240613-aydbva1djl
- SHA256 a15388f1ea5a9c945676c53eb266ef30e9f831929b09382199fe7148b9235946
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\2024-06-13_63c5e496a106f22fa1f10f18202c202f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_63c5e496a106f22fa1f10f18202c202f_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/1444-17-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/1444-23-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/3648-0-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3648-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3648-2-0x0000000000750000-0x0000000000756000-memory.dmp