Analysis
- max time kernel
149s - max time network
150s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
- submitted
25/05/2024, 02:48
General
- Target 2024-05-25_8dfd1649614284d1bc3ad6f79a4dd1b6_cryptolocker.exe
- Size 43KB
- Sample240525-dakb2acb57
- SHA256 9090cc5df9d1ccfb7609b5bba4d218d6cc5d6d06e54579b3bb38e41722e18dd8
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-25_8dfd1649614284d1bc3ad6f79a4dd1b6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_8dfd1649614284d1bc3ad6f79a4dd1b6_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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/2356-16-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2356-18-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/2356-25-0x00000000004B0000-0x00000000004B6000-memory.dmp
memory/2356-26-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2956-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2956-1-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2956-9-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2956-2-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/2956-15-0x0000000008000000-0x000000000800D000-memory.dmp