Analysis
- max time kernel
142s - max time network
154s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
12/06/2024, 18:45
General
- Target 2024-06-12_3bed4ec0d6ff6781c81975b291891fd0_cryptolocker.exe
- Size 73KB
- Sample240612-xebegawalg
- SHA256 edfb52bc5fe416bfbf062531cb03f8360f6f3b0442691691dede3889823cb663
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 3 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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\2024-06-12_3bed4ec0d6ff6781c81975b291891fd0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_3bed4ec0d6ff6781c81975b291891fd0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/1768-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1768-1-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1768-2-0x0000000000270000-0x0000000000276000-memory.dmp
memory/1768-9-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1768-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2564-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2564-26-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2564-27-0x0000000000500000-0x0000000000510000-memory.dmp