Analysis
- max time kernel
126s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:34
General
- Target 2024-06-09_b2e65c6612e492dd5a6dde83c8bcc69d_cryptolocker.exe
- Size 43KB
- Sample240609-jd7jmagd65
- SHA256 58a72dbd3104b672f2d0d2f4ea941a9eb5a9edd695b987058e71a62cf10f6777
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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_b2e65c6612e492dd5a6dde83c8bcc69d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_b2e65c6612e492dd5a6dde83c8bcc69d_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/4444-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4444-20-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/4444-26-0x0000000002110000-0x0000000002116000-memory.dmp
memory/4444-27-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4804-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4804-1-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/4804-2-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4804-9-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/4804-18-0x0000000008000000-0x000000000800D000-memory.dmp