Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 03:32
General
- Target 2024-06-13_4956461dc88c9f58ad523966fe5b984d_cryptolocker.exe
- Size 74KB
- Sample240613-d3stwawfmn
- SHA256 5a50095b7397f21822a081c6459493750570111a848c52ef2817dcdfba83daf1
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_4956461dc88c9f58ad523966fe5b984d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_4956461dc88c9f58ad523966fe5b984d_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/3356-23-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/3356-17-0x0000000002090000-0x0000000002096000-memory.dmp
memory/3832-0-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3832-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3832-2-0x00000000020E0000-0x00000000020E6000-memory.dmp