Analysis
- max time kernel
149s - max time network
152s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
21/04/2024, 01:01
General
- Target 2024-04-21_1526adf377cec9e97f83607caa59c678_cryptolocker.exe
- Size 41KB
- Sample240421-bc8fjaef95
- SHA256 cbff931e21cfa1b5b830b9f2474848d7b0db3ea303976e12412d946c64e1ac66
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\2024-04-21_1526adf377cec9e97f83607caa59c678_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-21_1526adf377cec9e97f83607caa59c678_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
lossy.exe
memory/2192-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2192-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2192-2-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2192-5-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2192-15-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2492-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2492-18-0x0000000000340000-0x0000000000346000-memory.dmp
memory/2492-19-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2492-26-0x0000000008000000-0x000000000800A000-memory.dmp